What shaft diameter does this pillow block fit?

This bearing unit is designed for shafts with a 40 mm diameter.

How is the bearing secured to the shaft?

The extended inner ring locks onto the shaft using integrated set screws.

What is the limiting speed of this ball bearing unit?

The bearing unit has a maximum limiting speed of 4800 rpm.

What materials are used in the SKF SY 40 TF?

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

What is the center distance between the mounting holes?

The center-to-center distance between the two bolt holes is 135.5 mm.

SKF SY 40 TF ball bearing unit 40 mm

Supplier number: SKF SY 40 TF | EAN 7316577028433

Recommended Retail Price €162.08

80.20 tax incl.

€66.28 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 10/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Dependable shaft support by Skf

Practical benefits

Quick and secure mounting: You secure the extended inner ring easily onto the 40 mm shaft using integrated set screws.
Heavy-duty cast iron housing: The rugged cast iron pillow block provides outstanding structural rigidity and absorbs operating vibrations.
High limiting operating speed: You achieve smooth and reliable rotation in demanding applications at speeds up to 4800 rpm.

In a nutshell

The right choise for

With the Skf sy 40 tf pillow block ball bearing unit, you achieve reliable, stable shaft support across conveyor systems and industrial machinery. This complete assembly combines a rugged cast iron housing with a durable steel insert bearing engineered for 40 mm shafts. The extended inner ring locks securely in place using integrated set screws, preventing shaft slippage during operation. Built to withstand demanding mechanical loads, this unit maintains smooth rotation at speeds up to 4800 rpm. With a center-to-center hole spacing of 135.5 mm, it bolts straightforwardly onto flat machine frames and drive systems.

Product information FAQ

€80.20

In stock - tax incl.

Key features according to our expert

Shaft diameter: 40 mm
Material (bearing): Steel
Bore type: Cylindrical
Limit speed: 4800 rpm
Material (bearing housing): Cast iron

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: 40 mm
Material (bearing): Steel
Bore type: Cylindrical
Limit speed: 4800 rpm
Material (bearing housing): Cast iron
Lubricant: Grease
Rubber seating ring: Without
Sealing type: Contact, standard
Sealing, bearing: Seal and flinger on both sides
Material, bearing: Bearing steel
Note: Limiting speed with shaft tolerance h6
Housing type: Pillow block
Application: For material handling applications
Basic static load rating: 19
Hexagonal key size for set screw: 4
Tightening torque, set screw: 6.5
Centre height (pillow block): 49.2
Grease fitting: With
Material, housing: Cast iron
Number of bolt holes for fasteners: 2
Centre distance between bolt holes: 135.5
Bearing width, total: 49.2
Basic dynamic load rating: 30.7
Coating: Without
Housing overall width: 48
Retaining feature, inner ring: Set screws
Relubrication hole: With
Fastening bolt hole type: Plain
Limiting speed: 4800
Sealing, unit: Optional end cover
Attachment bolt diameter: 12
Set screw: M8x1

Brand SKF
01190029
EAN 7316577028433
Supplier number SKF SY 40 TF

Frequently asked questions about this product

Answered by specialists

What shaft diameter does this pillow block fit?: This bearing unit is designed for shafts with a 40 mm diameter.
How is the bearing secured to the shaft?: The extended inner ring locks onto the shaft using integrated set screws.
What is the limiting speed of this ball bearing unit?: The bearing unit has a maximum limiting speed of 4800 rpm.
What materials are used in the SKF SY 40 TF?: The pillow block housing is cast iron and the insert bearing is made of steel.
What is the center distance between the mounting holes?: The center-to-center distance between the two bolt holes is 135.5 mm.