Which shaft diameter is this bearing unit designed for?

This bearing unit is engineered for shafts with a diameter of 90 mm.

How is the shaft locked into the bearing?

The shaft is secured using set screws in the extended inner ring.

What materials are the housing and bearing made of?

The housing is made of cast iron and the insert bearing is made of steel.

Which industrial standard does this flanged unit follow?

This square flanged unit complies with Japanese Industrial Standards (JIS).

Is this bearing unit suitable for heavy loads?

Yes, the cast iron housing is designed to accommodate relatively heavy loads.

SKF UCF 218 ball bearing unit with square flange and locking with set screw, cast iron bearing housing, JIS

Supplier number: SKF UCF 218 | EAN 7316579542906

Recommended Retail Price €648.43

320.95 tax incl.

€265.25 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

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

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Robust shaft mounting with Skf

Practical benefits

Secure set screw locking: The integrated set screw system allows you to clamp 90 mm shafts securely without risk of slippage.
Durable cast iron housing: The square 4-bolt cast iron housing provides you with exceptional mechanical strength and rigidity under demanding loads.
Effective contamination protection: Fitted with reliable dual-side seals and flingers, it protects internal rolling elements from dust to prolong operational life.

In a nutshell

The right choise for

With the Skf ucf 218 flanged ball bearing unit, you achieve rigid and dependable shaft support for demanding mechanical applications. Designed in compliance with jis standards, this square unit accommodates shafts with a 90 mm diameter. Its robust cast iron housing with four bolt holes allows secure mounting against machine frames or walls, easily handling heavy loads and vibrations. The integrated set screw locking system on the extended inner ring clamps the shaft firmly to prevent axial slippage. Reliable dual-side sealing protects the internal steel bearing against dirt and dust for smooth, long-term operation.

Product information FAQ

€320.95

In stock - tax incl.

Key features according to our expert

Shaft diameter: 90 mm
Material (bearing housing): Cast iron
Material (bearing): Steel
High temperature: No
Bore type: Cylindrical
Shape (bearing housing): Square

Product description

These square flanged ball bearing units are compliant with Japanese Industrial Standards (JIS). They consist of an insert bearing, with an extended inner ring and set screw locking, and are suitable for applications where the direction of rotation is constant or alternating. The bearing is mounted in a cast iron housing, which can be bolted to a machine wall or frame. Ball bearing units can accommodate moderate initial misalignment, but normally do not permit axial displacement.

Resist high levels of contamination
Designed for high temperatures and speeds
Accommodate relatively heavy loads
Cost-effective

All Features

Shaft diameter: 90 mm
Material (bearing housing): Cast iron
Material (bearing): Steel
High temperature: No
Bore type: Cylindrical
Shape (bearing housing): Square
Material, bearing: Bearing steel
Number of bolt holes for fasteners: 4
Lubricant: Grease
Rubber seating ring: Without
Sealing type: Contact, standard
Sealing, bearing: Seal and flinger on both sides
Housing type: Flanged
Flanged housing type: Square
Bearing width, total: 96
Application: For material handling applications
Note: Limiting speed with shaft tolerance h6
Hexagonal key size for set screw: 6.08
Grease fitting: With
Material, housing: Cast iron
Basic static load rating: 72
Attachment bolt diameter: 20
Retaining feature, inner ring: Set screws
Basic dynamic load rating: 95.6
Coating: Without
Housing overall width: 68.5
Centre distance between bolt holes: 187
Relubrication hole: With
Fastening bolt hole type: Plain
Limiting speed: 1600
Width, total: 96
Sealing, unit: Without
Set screw: M12x1.5

Brand SKF
03255236
EAN 7316579542906
Supplier number SKF UCF 218

Frequently asked questions about this product

Answered by specialists

Which shaft diameter is this bearing unit designed for?: This bearing unit is engineered for shafts with a diameter of 90 mm.
How is the shaft locked into the bearing?: The shaft is secured using set screws in the extended inner ring.
What materials are the housing and bearing made of?: The housing is made of cast iron and the insert bearing is made of steel.
Which industrial standard does this flanged unit follow?: This square flanged unit complies with Japanese Industrial Standards (JIS).
Is this bearing unit suitable for heavy loads?: Yes, the cast iron housing is designed to accommodate relatively heavy loads.