What shaft diameter is this pillow block bearing unit suitable for?

The SKF SYJ 50 TF is designed for shafts with a 50 mm diameter.

How is the shaft locked in place?

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

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.

Can this pillow block unit be relubricated?

Yes, the cast iron housing is equipped with a grease fitting for relubrication.

What bolt size is required for mounting?

The housing is designed for mounting with 16 mm attachment bolts.

SKF SYJ 50 TF ball bearing unit 50 mm

Supplier number: SKF SYJ 50 TF | EAN 7316570925890

Recommended Retail Price €195.97

96.95 tax incl.

€80.12 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

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 mounting with Skf SYJ 50 TF

Practical benefits

Quick and secure locking: You secure the extended inner ring easily onto the shaft with set screws, saving valuable assembly time.
Rugged cast iron housing: The solid cast iron construction provides outstanding structural stability for both constant and alternating rotation directions.
Sealed and prelubricated design: You protect internal components against contamination and minimize maintenance needs through reliable contact seals and grease lubrication.

In a nutshell

The right choise for

With the Skf syj 50 tf pillow block bearing unit, you secure dependable and rigid shaft support for conveyors and industrial machinery. Engineered to Japanese industrial standards (JIS) for 50 mm diameter shafts, this solid cast iron unit delivers high mechanical stability during constant and alternating rotation. The extended inner ring locks quickly and securely onto the shaft using set screws, removing the need for complex press fits. Ready to mount with effective sealing and factory lubrication, it accommodates minor shaft misalignments and allows straightforward relubrication via the built-in grease fitting.

Product information FAQ

€96.95

In stock - tax incl.

Key features according to our expert

Shaft diameter: 50 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
Designed for a constant and alternating rotation
Lubricated and sealed bearing
Quick locking onto the shaft
Cost-effective

Documents

⤓ Technical data sheet PDF

All Features

Shaft diameter: 50 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: 23.2
Note: Limiting speed with shaft tolerance h6
Hexagonal key size for set screw: 5
Tightening torque, set screw: 16.5
Centre height (pillow block): 57.2
Grease fitting: With
Application: For material handling applications
Retaining feature, inner ring: Set screws
Bearing width, total: 51.6
Basic dynamic load rating: 35.1
Coating: Without
Housing overall width: 58
Centre distance between bolt holes: 157.5
Relubrication hole: With
Fastening bolt hole type: Plain
Limiting speed: 4000
Sealing, unit: Without
Attachment bolt diameter: 16
Set screw: M10x1

Brand SKF
01191055
EAN 7316570925890
Supplier number SKF SYJ 50 TF

Frequently asked questions about this product

Answered by specialists

What shaft diameter is this pillow block bearing unit suitable for?: The SKF SYJ 50 TF is designed for shafts with a 50 mm diameter.
How is the shaft locked in place?: The extended inner ring locks securely onto the shaft using set screws.
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.
Can this pillow block unit be relubricated?: Yes, the cast iron housing is equipped with a grease fitting for relubrication.
What bolt size is required for mounting?: The housing is designed for mounting with 16 mm attachment bolts.