The SKF FNL520A is a one-piece cast iron flanged bearing housing designed to support compatible bearings on a 90 mm shaft. Its square flange has four attachment bolt holes, providing a secure mounting arrangement for industrial machinery.
The housing has a 180 mm bearing seat diameter, a 56 mm bearing seat width and a 125 mm bearing seat centre height. The attachment bolt holes are positioned at 198 mm centres.
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 on the shaft using an appropriate adapter sleeve. The bearing, adapter sleeve and locating rings are selected separately to suit the bearing arrangement.
Technical specifications
Brand: SKF
Product designation: FNL 520 A
Housing type: Flanged bearing housing
Housing construction: One-piece, non-split
Housing material: Cast iron
Flange shape: Square
Shaft diameter with listed adapter sleeves: 90 mm
Bearing seat diameter, Da: 180 mm
Bearing seat width, Ca: 56 mm
Bearing seat centre height, H1: 125 mm
Attachment bolt centres, J: 198 mm
Number of attachment bolt holes: 4
Attachment bolt hole diameter, N: 22 mm
Recommended attachment bolt size: M20
Mounting arrangement: Shaft end
Lubrication: Grease
Housing seal: TFL 520 double-lip seal supplied
Housing cover: Closed end cover
Approximate net weight: 19.1 kg
Compatible bearings and accessories
SKF 1220 K self-aligning ball bearing: H 220 adapter sleeve and one FRB 10/180 and one FRB 12/180 at each side of the bearing locating rings
SKF 2220 KM self-aligning ball bearing: H 320 adapter sleeve and one FRB 10/180 locating ring
SKF 22220 EK spherical roller bearing: H 320 adapter sleeve and one FRB 10/180 locating ring
SKF C 2220 K CARB toroidal roller bearing: H 320 E adapter sleeve and one FRB 10/180 locating ring
Seal designation: SKF TFL 520
The listed bearing combinations are for a 90 mm shaft. The 180 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.
