What shaft diameter is this pillow block unit suitable for?

The SKF SY 40 TR is designed for shafts with a diameter of 40 mm.

How is the shaft secured inside the bearing?

The shaft is locked securely using set screws on the extended inner ring.

What materials are used for the housing and bearing?

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

Is this bearing unit suitable for alternating rotation?

Yes, this unit is engineered for both constant and alternating directions of rotation.

What bolt size is required to mount the housing?

The cast iron housing is mounted using 12 mm (M12) attachment bolts.

SKF SY 40 TR ball bearing unit 40 mm

Supplier number: SKF SY 40 TR | EAN 7316570436594

Recommended Retail Price €179.27

88.60 tax incl.

€73.22 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Dependable shaft mounting by Skf

Practical benefits

Quick and secure locking: You easily secure the extended inner ring onto the 40 mm shaft using the integrated set screws.
Rugged cast iron housing: The heavy-duty cast iron body built to ISO standards provides excellent mechanical rigidity under heavy loads.
Effective sealing and relubrication: With robust contact seals and a built-in grease fitting, you maintain smooth operation across demanding industrial conditions.

In a nutshell

The right choise for

With the Skf sy 40 tr pillow block unit, you mount a rugged and dependable shaft support directly onto flat machine frames. Its heavy-duty cast iron housing built to iso standards provides a rigid foundation that dampens vibrations and handles demanding industrial loads. Thanks to the extended inner ring, you secure the 40 mm shaft quickly and firmly with set screws, designed for both constant and alternating directions of rotation. Robust contact seals shield the steel insert bearing against dirt, while the grease fitting allows easy relubrication. This ensures smooth rotation and long-lasting reliability across conveyor systems, agricultural equipment, and industrial machinery.

Product information FAQ

€88.60

In stock - tax incl.

Key features according to our expert

Shaft diameter: 40 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: 40 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, multiple
Sealing, bearing: Seal and flinger on both sides
Material, bearing: Bearing steel
Housing type: Pillow block
Material, housing: Cast iron
Basic static load rating: 19
Note: Limiting speed with shaft tolerance h6
Hexagonal key size for set screw: 4
Tightening torque, set screw: 6.5
Centre height (pillow block): 49.2
Grease fitting: With
Application: For material handling applications
Retaining feature, inner ring: Set screws
Bearing width, total: 49.2
Basic dynamic load rating: 30.7
Coating: Without
Housing overall width: 48
Centre distance between bolt holes: 135.5
Relubrication hole: With
Fastening bolt hole type: Plain
Limiting speed: 2800
Sealing, unit: Optional end cover
Attachment bolt diameter: 12
Set screw: M8x1

Brand SKF
01190675
EAN 7316570436594
Supplier number SKF SY 40 TR

Frequently asked questions about this product

Answered by specialists

What shaft diameter is this pillow block unit suitable for?: The SKF SY 40 TR is designed for shafts with a diameter of 40 mm.
How is the shaft secured inside the bearing?: The shaft is locked securely using set screws on the extended inner ring.
What materials are used for the housing and bearing?: The housing is made of cast iron and the insert bearing is made of bearing steel.
Is this bearing unit suitable for alternating rotation?: Yes, this unit is engineered for both constant and alternating directions of rotation.
What bolt size is required to mount the housing?: The cast iron housing is mounted using 12 mm (M12) attachment bolts.