The SKF FNL505A is a one-piece cast iron flanged bearing housing designed to support compatible bearings on a 20 mm shaft. Its triangular flange has three attachment bolt holes, providing a secure mounting arrangement for industrial machinery.
The housing has a 52 mm bearing seat diameter and a 20 mm bearing seat width. The attachment bolt holes are positioned on a 96 mm pitch circle.
The A designation identifies the shaft-end version, which is supplied with a closed end cover. It also includes a double-lip seal to help retain grease and protect the bearing from contamination.
Compatible tapered-bore bearings are mounted using an appropriate adapter sleeve. The bearing, adapter sleeve and locating ring or spacing washer are selected separately to suit the bearing arrangement.
Technical specifications
Brand: SKF
Product designation: FNL 505 A
Housing type: Flanged bearing housing
Housing construction: One-piece, non-split
Housing material: Cast iron
Flange shape: Triangular
Shaft diameter with listed adapter sleeves: 20 mm
Bearing seat diameter, Da: 52 mm
Bearing seat width, Ca: 20 mm
Bearing seat centre height, H1: 38 mm
Attachment bolt pitch circle diameter, J: 96 mm
Number of attachment bolt holes: 3
Recommended attachment bolt size: M10
Mounting arrangement: Shaft end
Lubrication: Grease
Housing seal: TFL 505 double-lip seal supplied
Housing cover: Closed end cover
Approximate net weight: 1.1 kg
Compatible bearings and accessories
SKF 1205 EKTN9 self-aligning ball bearing: H 205 adapter sleeve and one FRB 5/52 locating ring
SKF 2205 EKTN9 self-aligning ball bearing: H 305 adapter sleeve and one ZW 42 × 52 spacing washer
SKF 22205 EK spherical roller bearing: H 305 adapter sleeve and one ZW 42 × 52 spacing washer
SKF C 2205 KTN9 CARB toroidal roller bearing: H 305 E adapter sleeve and one ZW 42 × 52 spacing washer
Seal designation: SKF TFL 505
The listed bearing combinations are for a 20 mm shaft. The 52 mm bearing seat dimension refers to the outside diameter of the bearing.
Available from Bearing King Ltd for industrial maintenance, bearing replacement and machinery assembly.
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£2.00 - Our cheapest shipping method for parcels up to 500g. Parcels are sent using the Royal Mail standard shipping service and usually take 2-5 working days to arrive. This service isn’t tracked at any stage until point of delivery.
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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.
