What shaft diameter is this pillow block unit designed for?

This ball bearing unit is designed for shafts with a diameter of 20 mm.

How is the bearing secured to the shaft?

The unit locks onto the shaft using an eccentric locking collar, which is ideal for a constant direction of rotation.

What materials are used in this unit?

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

What is the limiting speed of this bearing unit?

The limiting speed for this unit is 8500 rpm.

What is the centre distance between the mounting bolt holes?

The centre-to-centre distance between the two mounting holes is 97 mm.

SKF SY 20 FM ball bearing unit 20 mm

Supplier number: SKF SY 20 FM | EAN 7316570919431

Recommended Retail Price €103.30

50.95 tax incl.

€42.11 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 6 products in stock.

Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Robust mounting with Skf

Practical benefits

Fast and secure mounting: The eccentric locking collar allows you to clamp the bearing firmly onto a 20 mm shaft.
Durable cast iron housing: You gain exceptional structural stability under heavy loads thanks to the solid ISO standard cast iron housing.
High operational speed: Capable of speeds up to 8500 rpm, it delivers smooth performance in continuous single-direction rotation.

In a nutshell

The right choise for

With the Skf sy 20 fm pillow block unit, you mount 20 mm drive shafts quickly and securely onto flat surfaces. The solid cast iron housing delivers outstanding stability against heavy mechanical loads and continuous vibration. Thanks to the eccentric locking collar, you clamp the unit firmly onto the shaft without requiring a press fit, making it the ideal choice for conveyor systems, industrial fans, and agricultural machinery operating with a constant direction of rotation. Its durable steel insert bearing compensates for initial misalignment while supporting speeds up to 8500 rpm for smooth operation. With a standard 97 mm bolt hole spacing, installation and maintenance remain fast and effortless.

Product information FAQ

€50.95

In stock - tax incl.

Key features according to our expert

Shaft diameter: 20 mm
Material (bearing): Steel
Bore type: Cylindrical
Limit speed: 8500 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: 20 mm
Material (bearing): Steel
Bore type: Cylindrical
Limit speed: 8500 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: 6.55
Hexagonal key size for set screw: 3
Tightening torque, set screw: 4
Centre height (pillow block): 33.3
Grease fitting: With
Material, housing: Cast iron
Number of bolt holes for fasteners: 2
Centre distance between bolt holes: 97
Bearing width, total: 30.5
Basic dynamic load rating: 12.7
Coating: Without
Housing overall width: 32
Retaining feature, inner ring: Eccentric collar
Relubrication hole: With
Fastening bolt hole type: Plain
Limiting speed: 8500
Sealing, unit: Optional end cover
Attachment bolt diameter: 10
Set screw: M6x0.75

Brand SKF
01190020
EAN 7316570919431
Supplier number SKF SY 20 FM

Frequently asked questions about this product

Answered by specialists

What shaft diameter is this pillow block unit designed for?: This ball bearing unit is designed for shafts with a diameter of 20 mm.
How is the bearing secured to the shaft?: The unit locks onto the shaft using an eccentric locking collar, which is ideal for a constant direction of rotation.
What materials are used in this unit?: The housing is made of cast iron and the insert ball bearing is made of durable bearing steel.
What is the limiting speed of this bearing unit?: The limiting speed for this unit is 8500 rpm.
What is the centre distance between the mounting bolt holes?: The centre-to-centre distance between the two mounting holes is 97 mm.