What shaft diameter is this pillow block suitable for?

The SKF SY 50 FM is designed for shafts with a diameter of 50 mm.

How is the bearing secured to the shaft?

The bearing is locked onto the shaft using an integrated eccentric locking collar.

What rotational direction is this unit designed for?

This unit with an eccentric collar is intended for applications with a constant direction of rotation.

What is the limiting speed of this bearing unit?

The limiting speed of this unit is 4000 rpm.

What material is the housing made from?

The pillow block housing is made from durable cast iron compliant with ISO standards.

SKF SY 50 FM ball bearing unit 50 mm

Supplier number: SKF SY 50 FM | EAN 7316577053077

Recommended Retail Price €231.74

114.60 tax incl.

€94.71 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered as of 13/10/2026
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

Reliable shaft support in constant rotation

Practical benefits

Quick and secure mounting: You can lock the unit firmly onto a 50 mm shaft using the eccentric locking collar.
Robust cast iron housing: This Skf pillow block provides exceptional durability while accommodating initial static misalignment across your installation.
Sealed and ready to install: The pre-lubricated insert bearing is sealed for immediate use and features a grease fitting for convenient relubrication.

In a nutshell

The right choise for

With the Skf sy 50 fm pillow block ball bearing unit, you can mount stable and reliable shaft support across conveyor systems and industrial machinery. Thanks to the integrated eccentric locking collar, you can securely fasten the unit onto a 50 mm shaft without specialized press tools, making it ideal for applications with a constant direction of rotation. Its robust cast iron housing built to iso standards readily accommodates initial static misalignment while withstanding heavy mechanical loads. Sealed and lubricated for immediate installation, this steel bearing handles speeds up to 4000 rpm and allows straightforward maintenance via the grease fitting.

Product information FAQ

€114.60

In stock - tax incl.

Key features according to our expert

Shaft diameter: 50 mm
Material (bearing): Steel
Bore type: Cylindrical
Limit speed: 4000 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: 50 mm
Material (bearing): Steel
Bore type: Cylindrical
Limit speed: 4000 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: 23.2
Hexagonal key size for set screw: 5
Tightening torque, set screw: 16.5
Centre height (pillow block): 57.2
Grease fitting: With
Material, housing: Cast iron
Number of bolt holes for fasteners: 2
Centre distance between bolt holes: 157
Bearing width, total: 43.7
Basic dynamic load rating: 35.1
Coating: Without
Housing overall width: 54
Retaining feature, inner ring: Eccentric collar
Relubrication hole: With
Fastening bolt hole type: Plain
Limiting speed: 4000
Sealing, unit: Optional end cover
Attachment bolt diameter: 16
Set screw: M10x1

Brand SKF
01190032
EAN 7316577053077
Supplier number SKF SY 50 FM

Frequently asked questions about this product

Answered by specialists

What shaft diameter is this pillow block suitable for?: The SKF SY 50 FM is designed for shafts with a diameter of 50 mm.
How is the bearing secured to the shaft?: The bearing is locked onto the shaft using an integrated eccentric locking collar.
What rotational direction is this unit designed for?: This unit with an eccentric collar is intended for applications with a constant direction of rotation.
What is the limiting speed of this bearing unit?: The limiting speed of this unit is 4000 rpm.
What material is the housing made from?: The pillow block housing is made from durable cast iron compliant with ISO standards.