What is the bearing seat diameter of this housing?

The bearing seat diameter of the SKF FNL 511 B is 100 mm.

What shape is this flanged housing?

This non-split cast housing has a triangular shape with three mounting holes.

What does the suffix B indicate in the part number?

Suffix B indicates that the housing is configured for through shafts.

What material is the SKF FNL 511 B made of?

The housing is made of durable cast iron to ensure a rigid bearing arrangement.

What applications is the FNL series designed for?

FNL housings are designed for mounting in applications without horizontal frames.

SKF FNL 511 B undivided bearing housing with flange, FNL cast 100 x 12 mm

Supplier number: SKF FNL 511 B | EAN 7316572868713

Recommended Retail Price €691.38

342.20 tax incl.

€282.81 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 6 products in stock.

Ordered before 20:00 - delivered as of 12/10/2026
Free shipping
Delivery by DHL
Delivered from Belgium

↓ Documents (1) ✆ Talk to a specialist

Dependable bearing support with the Skf FNL 511 B housing

Practical benefits

Rugged cast iron body: The rigid cast iron construction ensures your bearings remain firmly supported under heavy operating loads.
Built for through shafts: Supplied with a through-shaft cover, you can easily integrate this unit into continuous drive arrangements.
Stable triangular flange mounting: The three-bolt triangular flange allows you to secure the housing reliably onto vertical machine surfaces.

In a nutshell

The right choise for

When you need a dependable bearing arrangement on vertical surfaces or machinery lacking horizontal mounting frames, the Skf fnl 511 b flanged housing provides a robust solution. Made from rigid cast iron, this non-split housing maintains dimensional stability and prevents vibration and bearing deformation under load. Featuring a 100 mm bearing seat diameter and a B-design cover suited for through shafts, it integrates seamlessly into continuous shaft lines on industrial drives, conveyors, and production equipment. Its triangular three-bolt flange design allows you to secure the unit quickly and firmly against vertical machine frames.

Product information FAQ

€342.20

In stock - tax incl.

Key features according to our expert

Seat diameter: 100 mm
Material (bearing housing): Cast iron
Shape (bearing housing): Triangle

Product description

FNL cast flanged, non-split housings are well-proven machine parts that provide simple and reliable housing in applications without horizontal frames. They enable the full service life potential of the incorporated bearings to be exploited with less need for maintenance. FNL housings are supplied with a cover either for shaft ends (suffix A) or for through shafts (suffix B). Smaller sizes (up to and including size 13) have a triangular flange, larger sizes have a square flange.

Well-proven
Less need for maintenance

Documents

⤓ Technical data sheet PDF

All Features

Seat diameter: 100 mm
Material (bearing housing): Cast iron
Shape (bearing housing): Triangle
Attachment bolt diameter: 12
Material, housing: Cast iron
Diameter of bearing seat: 100
Housing type: Flanged
Housing configuration: One-piece
Number of bolt holes for fasteners: 3
Pitch diameter of bolt holes of round and triangle flange type housing: 170
Fastening bolt hole type: Cast holes
Mounting arrangement: Through shaft
Housing lubrication feature/possibility: Grease
Bearing housing seal type: Lip seal

Brand SKF
01230980
EAN 7316572868713
Supplier number SKF FNL 511 B

Frequently asked questions about this product

Answered by specialists

What is the bearing seat diameter of this housing?: The bearing seat diameter of the SKF FNL 511 B is 100 mm.
What shape is this flanged housing?: This non-split cast housing has a triangular shape with three mounting holes.
What does the suffix B indicate in the part number?: Suffix B indicates that the housing is configured for through shafts.
What material is the SKF FNL 511 B made of?: The housing is made of durable cast iron to ensure a rigid bearing arrangement.
What applications is the FNL series designed for?: FNL housings are designed for mounting in applications without horizontal frames.