Which shaft diameter is this bearing unit designed for?

This pillow block unit is designed for shafts with a diameter of 40 mm.

How is the bearing secured to the shaft?

It locks onto the shaft using an eccentric locking collar.

What is the limiting speed of this unit?

The limiting speed for this bearing unit is 4800 rpm.

What materials are used for the housing and the bearing?

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

Is this unit suitable for reversing directions of rotation?

No, this variant is designed for applications where the direction of rotation is constant.

SKF SY 40 FM ball bearing unit 40 mm

Supplier number: SKF SY 40 FM | EAN 7316577039668

Recommended Retail Price €172.01

84.95 tax incl.

€70.21 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
Delivered from Belgium

↓ Documents (1) ✆ Talk to a specialist

Dependable shaft support by Skf

Practical benefits

Fast and secure mounting: The eccentric locking collar lets you lock the bearing unit onto a 40 mm shaft with minimal effort.
Durable cast iron housing: The rugged cast iron pillow block provides a rigid foundation capable of handling heavy radial loads.
Smooth high-speed performance: Rated for up to 4800 rpm, the sealed steel bearing stays lubricated and protected against fine debris.

In a nutshell

The right choise for

With the Skf sy 40 fm pillow block unit, you can quickly mount dependable shaft support on machinery and conveyor systems. This complete ball bearing unit is designed for 40 mm shafts with a constant direction of rotation. Thanks to the eccentric locking collar, you securely clamp the bearing onto the shaft with minimal effort. The rugged cast iron housing provides a rigid foundation to handle radial loads, while the steel ball bearing delivers smooth operation up to a limiting speed of 4800 rpm. This ensures reliable drive performance and keeps downtime to a minimum.

Product information FAQ

€84.95

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 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
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: 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 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: 5
Tightening torque, set screw: 16.5
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: 43.2
Basic dynamic load rating: 30.7
Coating: Without
Housing overall width: 48
Retaining feature, inner ring: Eccentric collar
Relubrication hole: With
Fastening bolt hole type: Plain
Limiting speed: 4800
Sealing, unit: Optional end cover
Attachment bolt diameter: 12
Set screw: M10x1

Brand SKF
01190028
EAN 7316577039668
Supplier number SKF SY 40 FM

Frequently asked questions about this product

Answered by specialists

Which shaft diameter is this bearing unit designed for?: This pillow block unit is designed for shafts with a diameter of 40 mm.
How is the bearing secured to the shaft?: It locks onto the shaft using an eccentric locking collar.
What is the limiting speed of this unit?: The limiting speed for this bearing unit is 4800 rpm.
What materials are used for the housing and the bearing?: The housing is made of cast iron and the insert bearing is made of bearing steel.
Is this unit suitable for reversing directions of rotation?: No, this variant is designed for applications where the direction of rotation is constant.