What shaft diameter does this pillow block unit fit?

The SKF SYF 25 FM is designed for a shaft diameter of 25 mm.

How is the bearing locked onto the shaft?

The inner ring is secured onto the shaft using an eccentric locking collar.

What rotation direction is suitable for this unit?

This unit is designed for applications with a constant direction of rotation in one direction.

What materials are used for the housing and bearing?

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

Is the bearing unit ready to mount out of the box?

Yes, it is supplied ready to mount, pre-lubricated and sealed on both sides.

SKF SYF 25 FM ball bearing unit 25 mm

Supplier number: SKF SYF 25 FM | EAN 7316570948790

Recommended Retail Price €136.33

67.40 tax incl.

€55.70 excl. VAT (incl. all environmental contributions)

On order: delivered from 15/10/2026

Ordered before 20:00 - delivered as of 15/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Reliable shaft support in tight spaces

Practical benefits

Quick and secure locking: You can lock the unit firmly onto 25 mm shafts using the convenient eccentric collar.
Compact cast iron housing: The short base design enables you to fit the sturdy housing into restricted machine spaces.
Durable Skf bearing performance: Sealed on both sides, the precision bearing steel insert ensures smooth rotation and long-lasting operational reliability.

In a nutshell

The right choise for

With the Skf syf 25 fm pillow block unit, you achieve reliable and rigid shaft support even in confined machine spaces. The short base design of the robust cast iron housing allows for easy installation where mounting room is strictly limited. Using the eccentric locking collar, you can clamp the unit firmly onto a 25 mm shaft with a constant direction of rotation in no time. Supplied pre-lubricated and sealed on both sides, the bearing steel insert accommodates initial static misalignments effortlessly. Ideal for conveyor belts, packaging equipment, or agricultural machinery, this ready-to-mount unit delivers smooth operation and long-lasting durability.

Product information FAQ

€67.40

tax incl.

Key features according to our expert

Shaft diameter: 25 mm
Bore type: Cylindrical
Material (bearing housing): Cast iron
Material (bearing): Steel

Product description

Short base pillow (plummer) block ball bearing units consist of an insert bearing mounted in a cast iron housing that can be bolted to a support surface. This variant is intended for use in applications where the direction of rotation is constant. It has a narrow inner ring and is locked onto the shaft by an eccentric locking collar, making it easy to mount.

Strong
Narrow design
Ready to mount
Lubricated and sealed bearing
Designed for rotation in one direction
Accommodate static initial misalignment

Documents

⤓ Technical data sheet PDF

All Features

Shaft diameter: 25 mm
Bore type: Cylindrical
Material (bearing housing): Cast iron
Material (bearing): Steel
Housing type: Pillow block
Lubricant: Grease
Rubber seating ring: Without
Sealing type: Contact, standard
Sealing, bearing: Seal on both sides
Material, bearing: Bearing steel
Application: For material handling applications
Set screw: M6x0.75
Number of bolt holes for fasteners: 2
Hexagonal key size for set screw: 3
Tightening torque, set screw: 4
Centre height (pillow block): 36.5
Grease fitting: With
Material, housing: Cast iron
Note: Limiting speed with shaft tolerance h6
Bearing width, total: 31
Basic static load rating: 7.8
Basic dynamic load rating: 14
Coating: Without
Housing overall width: 36
Retaining feature, inner ring: Eccentric collar
Relubrication hole: With
Fastening bolt hole type: Threaded
Limiting speed: 7000
Sealing, unit: Without
Centre distance between bolt holes: 50.8
Attachment thread diameter: M10

Brand SKF
01191073
EAN 7316570948790
Supplier number SKF SYF 25 FM

Frequently asked questions about this product

Answered by specialists

What shaft diameter does this pillow block unit fit?: The SKF SYF 25 FM is designed for a shaft diameter of 25 mm.
How is the bearing locked onto the shaft?: The inner ring is secured onto the shaft using an eccentric locking collar.
What rotation direction is suitable for this unit?: This unit is designed for applications with a constant direction of rotation in one direction.
What materials are used for the housing and bearing?: The short-base housing is made of cast iron and the insert bearing is made of bearing steel.
Is the bearing unit ready to mount out of the box?: Yes, it is supplied ready to mount, pre-lubricated and sealed on both sides.