Which shaft diameter is this pillow block unit designed for?

The SKF SY 55 TF is designed for shafts with a diameter of 55 mm.

How is the bearing locked onto the shaft?

It features an extended inner ring and locks onto the shaft using set screws.

What material is the housing made of?

The pillow block housing is manufactured from sturdy cast iron.

What is the limiting speed of this bearing unit?

The limiting speed of the unit is 3600 rpm.

Can this bearing unit be relubricated?

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

SKF SY 55 TF ball bearing unit 55 mm

Supplier number: SKF SY 55 TF | EAN 7316577030856

Recommended Retail Price €281.11

138.95 tax incl.

€114.83 excl. VAT (incl. all environmental contributions)

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

Ordered before 20:00 - delivered as of 12/10/2026
Free shipping
Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Reliable shaft support with Skf

Practical benefits

Quick and secure mounting: You lock the extended inner ring directly onto the 55 mm shaft using straightforward set screw fastening.
Robust cast iron housing: The heavy-duty cast iron body provides exceptional rigidity and stable support under rigorous operating conditions.
High speed industrial performance: You achieve dependable rotational support engineered to operate smoothly up to a limiting speed of 3600 rpm.

In a nutshell

The right choise for

With the Skf sy 55 tf pillow block ball bearing unit, you secure dependable and rigid radial shaft support for industrial conveyors, machinery, and power transmission systems. Designed for straightforward mounting onto flat support surfaces, this unit locks quickly and firmly onto 55 mm shafts via set screws on the extended inner ring, preventing unwanted axial movement. The heavy-duty cast iron housing absorbs operational vibrations while providing exceptional strength under demanding conditions. Supporting a limiting speed of up to 3600 rpm and featuring a grease fitting for simple relubrication, it keeps your equipment running smoothly and productively over the long haul.

Product information FAQ

€138.95

In stock - tax incl.

Key features according to our expert

Shaft diameter: 55 mm
Material (bearing): Steel
Bore type: Cylindrical
Limit speed: 3600 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: 55 mm
Material (bearing): Steel
Bore type: Cylindrical
Limit speed: 3600 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: 29
Hexagonal key size for set screw: 5
Tightening torque, set screw: 16.5
Centre height (pillow block): 63.5
Grease fitting: With
Material, housing: Cast iron
Number of bolt holes for fasteners: 2
Centre distance between bolt holes: 171.5
Bearing width, total: 55.6
Basic dynamic load rating: 43.6
Coating: Without
Housing overall width: 60
Retaining feature, inner ring: Set screws
Relubrication hole: With
Fastening bolt hole type: Plain
Limiting speed: 3600
Sealing, unit: Optional end cover
Attachment bolt diameter: 16
Set screw: M10x1

Brand SKF
01190035
EAN 7316577030856
Supplier number SKF SY 55 TF

Frequently asked questions about this product

Answered by specialists

Which shaft diameter is this pillow block unit designed for?: The SKF SY 55 TF is designed for shafts with a diameter of 55 mm.
How is the bearing locked onto the shaft?: It features an extended inner ring and locks onto the shaft using set screws.
What material is the housing made of?: The pillow block housing is manufactured from sturdy cast iron.
What is the limiting speed of this bearing unit?: The limiting speed of the unit is 3600 rpm.
Can this bearing unit be relubricated?: Yes, the cast iron housing is equipped with a grease fitting for relubrication.