{"title":"THK Ball Screw Support Units","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eExplore our complete range of THK ball screw support units, engineered to provide accurate, rigid and reliable support for precision linear-motion systems. The collection includes fixed-side and supported-side units in square, round and low-shaft-centre configurations, with popular THK models including BK, BF, EK, EF, EK-L, EF-L, FK, FF and FKT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFixed-side units use preloaded angular-contact bearings to deliver high rigidity and precise shaft location, while supported-side units use deep-groove ball bearings for smooth, dependable rotation. Whether you are designing new machinery, replacing an existing unit or pairing supports with a THK ball screw, choose from a wide range of sizes and mounting styles to suit automation equipment, CNC machinery and other precision applications.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"bk12-thk-ball-screw-support-unit","title":"BK12 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK square fixed-side support unit for ball screws with a 12 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BK12 is a compact, standardised support unit designed to secure the fixed end of a ball screw. It contains a matched set of precision angular-contact bearings arranged in a DF configuration and supplied with the preload correctly adjusted. This provides high axial rigidity, accurate shaft location and straightforward installation without requiring additional bearing adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: BK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Square support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 12 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7001 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLubrication: Pre-lubricated bearing assembly\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing material: Steel\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.410 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 12 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLength L: 25 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL1: 5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL2: 29 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL3: 5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing width B: 60 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing height H: 43 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing thickness b: 30 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShaft centre height h1: 25 mm ±0.02 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB1: 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH1: 32.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 18 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch P: 46 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC1: 13 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC2: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 19 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThrough-hole diameter d1: 6.6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 10.8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 1.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M3\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 14.9 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 6.66 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 3.25 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 88 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BK12 is intended for use at the fixed end of a ball screw and can be paired with a THK BF12 supported-side unit. Its compact square housing and factory-adjusted bearing preload reduce installation time while helping maintain accurate and rigid ball-screw positioning.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58559306498429,"sku":"BK12-THK","price":195.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKBKImage1.jpg?v=1787152352"},{"product_id":"bk15-thk-ball-screw-support-unit","title":"BK15 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK square fixed-side support unit for ball screws with a 15 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BK15 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact housing allows straightforward installation without additional bearing adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: BK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Square support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7002 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.570 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLength L: 27 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL1: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL2: 32 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL3: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing width B: 70 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing height H: 48 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing thickness b: 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShaft centre height h1: 28 mm ±0.02 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB1: 40 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH1: 38 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 18 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch P: 54 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC1: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC2: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 22 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThrough-hole diameter d1: 6.6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 11 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 6.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M3\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 19.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 6 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 7.6 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 4 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 100 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BK15 is designed for the fixed end of a ball screw and can be paired with a THK BF15 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58559332516221,"sku":"BK15-THK","price":221.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKBKImage1_ccd90a6b-226c-4e8f-bf57-9a7b1386b1e3.jpg?v=1787153537"},{"product_id":"bk17-thk-ball-screw-support-unit","title":"BK17 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK square fixed-side support unit for ball screws with a 17 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BK17 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact housing allows straightforward installation without additional bearing adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: BK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Square support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 17 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7203 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 1.270 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 17 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLength L: 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL1: 9 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL2: 44 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL3: 7 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing width B: 86 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing height H: 64 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing thickness b: 43 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShaft centre height h1: 39 mm ±0.02 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB1: 50 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH1: 55 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 28 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch P: 68 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC1: 19 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC2: 8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 24 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThrough-hole diameter d1: 9 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 14 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 8.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M4\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 23.4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 7 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 13.7 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 5.85 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 125 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BK17 is designed for the fixed end of a ball screw and can be paired with a THK BF17 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58559394316669,"sku":"BK17-THK","price":303.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKBKImage1_c81d51d8-c3b1-4234-b837-90e6494fc8b2.jpg?v=1787155044"},{"product_id":"bk25-thk-ball-screw-support-unit","title":"BK25 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK square fixed-side support unit for ball screws with a 25 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BK25 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact housing allows straightforward installation without additional bearing adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: BK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Square support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 25 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7205 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 2.300 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 25 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLength L: 42 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL1: 12 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL2: 54 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL3: 9 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing width B: 106 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing height H: 80 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing thickness b: 53 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShaft centre height h1: 48 mm ±0.02 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB1: 64 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH1: 70 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 33 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch P: 85 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC1: 22 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC2: 10 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 35 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThrough-hole diameter d1: 11 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 17.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 11 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M5\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 31.3 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 9 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 20.2 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 11.5 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 190 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BK25 is designed for the fixed end of a ball screw and can be paired with a THK BF25 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58559414337917,"sku":"BK25-THK","price":403.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKBKImage1_d0abdaa9-4ff3-4df1-8351-ff1cc134524e.jpg?v=1787155518"},{"product_id":"bk35-thk-ball-screw-support-unit","title":"BK35 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK square fixed-side support unit for ball screws with a 35 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BK35 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact housing allows straightforward installation without additional bearing adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: BK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Square support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7207 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 4.330 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLength L: 50 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL1: 14 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL2: 67 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL3: 12 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing width B: 140 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing height H: 96 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing thickness b: 70 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShaft centre height h1: 52 mm ±0.02 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB1: 88 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH1: 79 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch P: 114 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC1: 26 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC2: 12 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 50 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThrough-hole diameter d1: 14 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 20 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 13 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M8\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 44.3 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 12 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 37.2 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 21.9 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 255 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BK35 is designed for the fixed end of a ball screw and can be paired with a THK BF35 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58559429640573,"sku":"BK35-THK","price":545.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKBKImage1_ee385ce1-9e44-48f7-881f-976ad5f38d8d.jpg?v=1787155751"},{"product_id":"bk40-thk-ball-support-unit","title":"BK40 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK square fixed-side support unit for ball screws with a 40 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BK40 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact housing allows straightforward installation without additional bearing adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: BK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Square support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 40 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7208 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 6.500 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 40 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLength L: 61 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL1: 18 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL2: 76 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eL3: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing width B: 160 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing height H: 110 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing thickness b: 80 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShaft centre height h1: 60 mm ±0.02 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB1: 100 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH1: 90 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 37 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch P: 130 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC1: 33 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eC2: 14 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 50 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThrough-hole diameter d1: 18 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 26 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 17.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M8\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 49.4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 15 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 44.1 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 27.1 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 270 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BK40 is designed for the fixed end of a ball screw and can be paired with a THK BF40 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58559439405437,"sku":"BK40-THK","price":625.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKBKImage1_3e40d63f-7884-4bf3-81ee-e17e43ce2bb6.jpg?v=1787156003"},{"product_id":"fk4-thk-ball-screw-support-unit","title":"FK4 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK round fixed-side support unit for ball screws with a 4 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK4 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact round housing is ideal for miniature ball screw applications where installation space is limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, set nut, collars, seal, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: FK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Round support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 704 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.050 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFlange thickness H: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eF: 9 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 17.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing location diameter D: 18 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing outside diameter A: 32 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch-circle diameter: 24 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB: 25 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 10 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method A\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL1: 5.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT1: 3 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method B\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL2: 6.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT2: 4 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNumber of mounting holes: 4\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHole spacing: 90° equidistant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough-hole diameter d1: 3.4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 6.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThread M: M2.6\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 4.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 0.93 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 1.1 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 27 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSet nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeal: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FK4 is designed for the fixed end of a miniature ball screw and can be paired with a suitable supported-side THK unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58562183790973,"sku":"FK4-THK","price":168.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKFKImage1.jpg?v=1787214929"},{"product_id":"fk5-thk-ball-screw-support-unit","title":"FK5 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK round fixed-side support unit for ball screws with a 5 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK5 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact round housing is ideal for miniature ball screw applications where installation space is limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, set nut, collars, seal, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: FK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Round support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 705 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.060 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 16.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFlange thickness H: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eF: 10.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 18.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing location diameter D: 20 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing outside diameter A: 34 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch-circle diameter: 26 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB: 26 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 11 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method A\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL1: 5.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT1: 3.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method B\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL2: 7 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT2: 5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNumber of mounting holes: 4\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHole spacing: 90° equidistant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough-hole diameter d1: 3.4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 6.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThread M: M2.6\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 5.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 1 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 1.24 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 29 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSet nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeal: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FK5 is designed for the fixed end of a miniature ball screw and can be paired with a suitable supported-side THK unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58562196799869,"sku":"FK5-THK","price":171.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKFKImage1_2affd1ec-506e-4c6c-934b-b43e57b761cf.jpg?v=1787215721"},{"product_id":"fk6-thk-ball-screw-support-unit","title":"FK6 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK round fixed-side support unit for ball screws with a 6 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK6 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact round housing is ideal for miniature ball screw applications where installation space is limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, set nut, collars, seal, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: FK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Round support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 706 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.080 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 20 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFlange thickness H: 7 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eF: 13 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 22 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing location diameter D: 22 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing outside diameter A: 36 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch-circle diameter: 28 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB: 28 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 12 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method A\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL1: 5.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT1: 3.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method B\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL2: 8.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT2: 6.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNumber of mounting holes: 4\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHole spacing: 90° equidistant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough-hole diameter d1: 3.4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 6.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThread M: M3\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 9.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 7 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 1.38 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 1.76 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 35 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSet nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeal: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FK6 is designed for the fixed end of a miniature ball screw and can be paired with a THK FF6 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58562250965373,"sku":"FK6-THK","price":180.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKFKImage1_418b68dc-acae-4c5e-9aa0-9c708c494c1f.jpg?v=1787217030"},{"product_id":"fk8-thk-ball-screw-support-unit","title":"FK8 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK round fixed-side support unit for ball screws with an 8 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK8 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact round housing is ideal for miniature ball screw applications where installation space is limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, set nut, collars, seal, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: FK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Round support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 798 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.150 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 23 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFlange thickness H: 9 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eF: 14 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 26 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing location diameter D: 28 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing outside diameter A: 43 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch-circle diameter: 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB: 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 14 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method A\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL1: 7 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT1: 4 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method B\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL2: 10 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT2: 7 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNumber of mounting holes: 4\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHole spacing: 90° equidistant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough-hole diameter d1: 3.4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 6.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThread M: M3\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 11.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 7.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 2.93 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 2.15 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 49 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSet nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeal: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FK8 is designed for the fixed end of a miniature ball screw and can be paired with a suitable THK supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58566266225021,"sku":"FK8-THK","price":188.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKFKImage1_3c51b80c-41a2-41b2-88ce-95e9fd3ee765.jpg?v=1787221458"},{"product_id":"fk10-thk-ball-screw-support-unit","title":"FK10 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK round fixed-side support unit for ball screws with a 10 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK10 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact round housing enables straightforward and reliable installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: FK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Round support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 10 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7000 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.210 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 10 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 27 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFlange thickness H: 10 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eF: 17 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 29.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing location diameter D: 34 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing outside diameter A: 52 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch-circle diameter: 42 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB: 42 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 16 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method A\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL1: 7.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT1: 5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method B\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL2: 8.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT2: 6 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNumber of mounting holes: 4\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHole spacing: 90° equidistant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough-hole diameter d1: 4.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 4 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M3\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 13.9 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 5.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 6.08 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 3.1 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 65 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FK10 is designed for the fixed end of a ball screw and can be paired with a THK FF10 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58566291259773,"sku":"FK10-THK","price":201.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKFKImage1_41ac88aa-9fb3-4335-b3d5-44ed6c58f36d.jpg?v=1787222299"},{"product_id":"fk15-thk-ball-screw-support-unit","title":"FK15 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK round fixed-side support unit for ball screws with a 15 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK15 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact round housing enables straightforward and reliable installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: FK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Round support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7002 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.390 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 32 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFlange thickness H: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eF: 17 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 36 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing location diameter D: 40 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing outside diameter A: 63 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch-circle diameter: 50 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB: 52 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 22 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method A\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL1: 10 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT1: 6 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method B\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL2: 12 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT2: 8 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNumber of mounting holes: 4\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHole spacing: 90° equidistant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough-hole diameter d1: 5.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 9.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M3\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 19.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 10 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 7.6 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 4 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 100 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FK15 is designed for the fixed end of a ball screw and can be paired with a THK FF15 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58566302564733,"sku":"FK15-THK","price":253.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKFKImage1_6c7cb5c6-af79-4c8e-9370-6cf444f9f1f0.jpg?v=1787222891"},{"product_id":"fk20-thk-ball-screw-support-unit","title":"FK20 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK round fixed-side support unit for ball screws with a 20 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK20 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact round housing enables straightforward and reliable installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: FK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Round support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 20 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7204 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 1.090 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 20 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 52 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFlange thickness H: 22 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eF: 30 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 50 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing location diameter D: 57 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing outside diameter A: 85 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch-circle diameter: 70 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB: 68 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 30 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method A\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL1: 8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT1: 10 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method B\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL2: 12 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT2: 14 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNumber of mounting holes: 4\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHole spacing: 90° equidistant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough-hole diameter d1: 6.6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 11 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 10 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M4\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 25 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 11 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 17.9 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 9.5 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 170 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FK20 is designed for the fixed end of a ball screw and can be paired with a THK FF20 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58566334087549,"sku":"FK20-THK","price":363.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKFKImage1_04d2242a-9d30-4480-9cc0-e3355634fee2.jpg?v=1787224257"},{"product_id":"fk30-thk-ball-screw-support-unit","title":"FK30 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK round fixed-side support unit for ball screws with a 30 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK30 contains a factory-preloaded P5 angular-contact bearing set in a DF arrangement, providing accurate shaft positioning and high axial rigidity. Its compact round housing enables straightforward and reliable installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing set, holding lid, collars, seals, lock nut and locking screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: FK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Round support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Fixed side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 30 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing arrangement: DF angular-contact arrangement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing accuracy: P5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 7206 equivalent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Factory adjusted\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 2.320 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 30 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 62 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFlange thickness H: 30 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eF: 32 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 61 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing location diameter D: 75 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing outside diameter A: 117 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch-circle diameter: 95 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB: 93 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSquare dimension T: 40 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method A\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL1: 11 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT1: 12 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting method B\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eL2: 17 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT2: 18 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNumber of mounting holes: 4\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHole spacing: 90° equidistant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough-hole diameter d1: 11 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 17.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding-lid thread M: M6\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollar dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCollar outside diameter D: 37.3 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollar thickness t: 9 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic axial load rating Ca: 28 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eStatic permissible axial load: 16.3 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAxial rigidity: 195 N\/μm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecision bearing set: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHolding lid: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollars: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeals: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLock nut: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHexagonal socket-head locking screw with set piece: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FK30 is designed for the fixed end of a ball screw and can be paired with a THK FF30 supported-side unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58566338773373,"sku":"FK30-THK","price":483.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKFKImage1_2f29ff06-ea63-4b7e-93e8-d27af27e2ac3.jpg?v=1787224447"},{"product_id":"bf10-thk-ball-screw-support-unit","title":"BF10 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK square supported-side unit for ball screws with an 8 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BF10 supports the free end of a ball screw using a sealed deep-groove ball bearing. Its compact, standardised housing helps maintain correct shaft alignment while allowing the axial movement required to accommodate thermal expansion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing and retaining snap ring.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: BF\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Square support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Supported side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing type: Deep-groove ball bearing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 608ZZ\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Without preload\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSnap ring: C8\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.290 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 20 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing width B: 60 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing height H: 39 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing thickness b: 30 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShaft centre height h1: 22 mm ±0.02 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB1: 34 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH1: 32.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 15 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch P: 46 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThrough-hole diameter d1: 6.6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 10.8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRetaining diameter d3: 5.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic radial load rating C: 3.35 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBasic static radial load rating C0: 1.4 kN\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDeep-groove ball bearing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSnap ring: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BF10 is designed for the supported end of a ball screw and can be paired with a THK BK10 fixed-side support unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58566551830909,"sku":"BF10-THK","price":88.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKBFImage1.jpg?v=1787227259"},{"product_id":"bf12-thk-ball-screw-support-unit","title":"BF12 THK Ball Screw Support Unit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTHK square supported-side unit for ball screws with a 10 mm bearing journal diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BF12 supports the free end of a ball screw using a sealed deep-groove ball bearing. Its compact, standardised housing helps maintain correct shaft alignment while allowing the axial movement required to accommodate thermal expansion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit is supplied complete with its housing, bearing and retaining snap ring.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct characteristics\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCategory: Ball screw support units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: THK\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSeries: BF\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesign: Square support unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting position: Supported side\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing journal diameter: 10 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing type: Deep-groove ball bearing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBearing used: 6000ZZ\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePreload: Without preload\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSnap ring: C10\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 0.300 kg\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCountry of origin: Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMain dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShaft diameter d: 10 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length L: 20 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing width B: 60 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing height H: 43 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHousing thickness b: 30 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eShaft centre height h1: 25 mm ±0.02 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eB1: 35 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH1: 32.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eE: 18 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMounting-hole pitch P: 46 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting-hole dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThrough-hole diameter d1: 6.6 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore diameter d2: 10.8 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCounterbore depth h: 1.5 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRetaining diameter d3: 5.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad ratings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBasic dynamic radial load rating C: 4.55 kN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBasic static radial load rating C0: 1.96 kN\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComponents supplied\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHousing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDeep-groove ball bearing: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSnap ring: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BF12 is designed for the supported end of a ball screw and can be paired with a THK BK12 fixed-side support unit.\u003c\/span\u003e\u003c\/p\u003e","brand":"THK","offers":[{"title":"Default Title","offer_id":58566562742653,"sku":"BF12-THK","price":87.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/files\/THKBFImage1_2db6b8d2-0701-4f62-b4cb-e9d61d6d58cf.jpg?v=1787227699"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/9684\/2842\/collections\/THKBKImage1_ee385ce1-9e44-48f7-881f-976ad5f38d8d.jpg?v=1787240081","url":"https:\/\/bearing-king.co.uk\/collections\/thk-ball-screw-support-units.oembed","provider":"Bearing King","version":"1.0","type":"link"}