What shaft diameter is this SKF pillow block unit designed for?

This pillow block ball bearing unit fits a shaft diameter of 25,4 mm (1 inch) and features a cylindrical bore.

How is the bearing secured onto the shaft?

The bearing features an extended inner ring and is locked securely onto the shaft using integrated set screws.

What materials are used in this bearing unit?

The pillow block housing is made of robust cast iron and the insert bearing is made of high-grade bearing steel.

Is this Y-bearing unit suitable for alternating rotation?

Yes, this bearing unit with set screw locking is designed for both constant and alternating directions of rotation.

SKF SY 1. TF ball bearing unit 25.4 mm

Supplier number: SKF SY 1. TF | EAN 7316577753007

Recommended Retail Price €84.29

41.60 tax incl.

€34.38 excl. VAT (incl. all environmental contributions)

On order: delivered from 21/10/2026

Ordered before 20:00 - delivered as of 21/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

↓ Documents (1) ✆ Talk to a specialist

Reliable shaft support under high loads

Practical benefits

Quick and secure mounting: You mount the Skf unit onto the shaft with ease using the set screw locking system.
Durable cast iron housing: The heavy-duty cast iron body provides exceptional rigidity and absorbs high mechanical loads.
Reliable protection against contaminants: Integrated seals keep dirt out of the bearing to ensure smooth and uninterrupted operation.

In a nutshell

The right choise for

With the Skf sy 1. tf pillow block ball bearing unit, you secure reliable and rigid shaft support for 25.4 mm shafts. Built with a heavy-duty cast iron housing and a high-grade steel bearing, this unit effortlessly handles heavy mechanical loads and vibrations in conveyor systems, industrial machinery, and agricultural equipment. The extended inner ring with a cylindrical bore enables quick mounting and locks firmly onto the shaft using integrated set screws, preventing axial slippage in both constant and alternating directions of rotation. In addition, the unit compensates for initial static misalignment and features built-in seals to keep out dirt, ensuring smooth and uninterrupted operation throughout demanding jobs.

Product information FAQ

€41.60

tax incl.

Key features according to our expert

Shaft diameter: 25,4 mm
Bore type: Cylindrical
Material (bearing housing): Cast iron
Material (bearing): Steel

Product description

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 suitable for applications with both constant and alternating directions of rotation. It has an inner ring extended on both sides and is locked onto the shaft by tightening a set screw on the inner ring, making it easy to mount.

Strong
Ready to mount
Lubricated and sealed bearing
Quick locking onto the shaft
Cost-effective

Documents

⤓ Technical data sheet PDF

All Features

Shaft diameter: 25,4 mm
Bore type: Cylindrical
Material (bearing housing): Cast iron
Material (bearing): Steel
Number of bolt holes for fasteners: 2
Lubricant: Grease
Rubber seating ring: Without
Sealing type: Contact, standard
Sealing, bearing: Seal and flinger on both sides
Material, bearing: Bearing steel
Housing type: Pillow block
Material, housing: Cast iron
Basic static load rating: 7.8
Note: Limiting speed with shaft tolerance h6
Hexagonal key size for set screw: 3.175
Tightening torque, set screw: 4
Centre height (pillow block): 36.5
Grease fitting: With
Application: For material handling applications
Retaining feature, inner ring: Set screws
Bearing width, total: 34.1
Basic dynamic load rating: 14
Coating: Without
Housing overall width: 36
Centre distance between bolt holes: 102
Relubrication hole: With
Fastening bolt hole type: Plain
Limiting speed: 7000
Sealing, unit: Optional end cover
Attachment bolt diameter: 9.525
Set screw: 1/4-28 UNF

Brand SKF
01190975
EAN 7316577753007
Supplier number SKF SY 1. TF

Frequently asked questions about this product

Answered by specialists

What shaft diameter is this SKF pillow block unit designed for?: This pillow block ball bearing unit fits a shaft diameter of 25,4 mm (1 inch) and features a cylindrical bore.
How is the bearing secured onto the shaft?: The bearing features an extended inner ring and is locked securely onto the shaft using integrated set screws.
What materials are used in this bearing unit?: The pillow block housing is made of robust cast iron and the insert bearing is made of high-grade bearing steel.
Is this Y-bearing unit suitable for alternating rotation?: Yes, this bearing unit with set screw locking is designed for both constant and alternating directions of rotation.