The SKF SNL3140 is a cast iron split plummer block housing designed to support compatible spherical roller bearings. Part of SKF’s SNL 30, 31 and 32 series, it provides a rigid bearing support for industrial machinery, while its removable housing cap simplifies bearing installation, inspection and maintenance.
The housing accommodates bearings with a 340 mm outside diameter and features a 132 mm bearing seat width and a 210 mm centre height. Its four-bolt base provides secure mounting, with elongated attachment holes allowing adjustment during installation.
The bearing, sleeve and seal combinations below are suitable for a 140 mm shaft. Each shaft size requires its matching accessories; the housing designation alone does not determine the shaft diameter.
Designed for grease lubrication, the housing can be configured for through-shaft or shaft-end installations. Separate labyrinth and heavy-duty taconite seals allow the sealing arrangement to be selected for the operating environment.
Technical specifications
Brand: SKF
Product designation: SNL 3140
Housing series: SNL 30, 31 and 32
Housing type: Split plummer block housing
Housing construction: Two-piece, with removable cap
Housing material: Cast iron
Shaft diameter with the listed adapter sleeve arrangements: 140 mm
Bearing seat diameter, Da: 340 mm
Bearing seat diameter tolerance: G7
Bearing seat width, Ca: 132 mm
Centre height, H1: 210 mm
Overall length, L: 610 mm
Overall height, H: 411 mm
Housing width, A: 280 mm
Foot width, A1: 230 mm
Foot height, H2: 85 mm
Attachment bolt centres, J: 510 mm
Attachment bolt centres, axial direction, J1: 130 mm
Number of standard attachment bolt holes: 4
Attachment bolt hole length, N: 42 mm
Attachment bolt hole width, N1: 35 mm
Recommended attachment bolt size: M30
Lubrication: Grease
Housing seals: Supplied without seals
Mounting arrangements: Through shaft or shaft end
Approximate net weight: 123 kg
Compatible bearings, adapter sleeves and locating rings
140 mm shaft – SKF 22332 CCK/W33 spherical roller bearing: H 2332 adapter sleeve and 2 FRB 9/340 locating rings
140 mm shaft – SKF 22332-2CS5K sealed spherical roller bearing: H 2332 adapter sleeve and 2 FRB 9/340 locating rings
The locating ring quantities shown are totals per housing for an axially located outer ring. Non-locating spherical roller bearing arrangements normally require axial freedom in the housing. CARB bearings, where listed, accommodate axial displacement internally and require the outer ring to be located.
Compatible sealing accessories
140 mm shaft – Labyrinth seal option: SKF TS 40/140
140 mm shaft – Heavy-duty taconite seal option: SKF TNF 40/140
Housing width including labyrinth seals: 290 mm
Housing width including taconite seals: 347 mm
End cover for shaft-end arrangements: SKF ETS 40
Bearings, adapter sleeves, seals, locating rings and end covers are selected separately to suit the installation. The 340 mm bearing seat diameter refers to the bearing outside diameter. Other shaft sizes require different bearing and accessory combinations.
Available from Bearing King Ltd for industrial maintenance, bearing replacement and machinery assembly.
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Returns Policy
1. You may return an unused item in new condition unless faulty within 30 days of receipt. Damaged or used goods cannot be refunded.
2. A copy of our returns form must be included with the returned goods.
3. Customers will be responsible for the original and return shipping charges unless our customer service department determines that we are at fault for an order error or product defect. Bearing King will not be responsible for any return item lost in transit.
4. Once we receive the package and the goods are checked, we will refund you by the payment method used when the order was placed.
5. Please allow 3-5 days for your return to be processed or exchange to be sent.
