SKF IR 40X45X20 inner ring for needle roller bearing 40 x 45 x 20 mm

Supplier number: SKF IR 40X45X20 | EAN 7316577010940

Recommended Retail Price €38.71

18.95 tax incl.

€15.66 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

Ordered before 20:00 - delivered tomorrow 29/09/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Ideal raceway for needle bearings

Practical benefits

Proven Skf precision: You obtain a hardened, ground raceway for needle roller bearings when your shaft cannot be hardened and machined.
Accommodates bidirectional axial motion: The ring allows axial displacement in both directions so you keep machinery running smoothly under load.
Easy and full interchangeability: Standardized dimensions of 40 x 45 x 20 mm allow you to replace inner rings quickly without complex adjustments.

In a nutshell

The right choise for

With the Skf ir 40X45X20 inner ring, you instantly provide a precision-ground, hardened raceway for needle roller bearings when the mating shaft cannot be hardened or machined. This eliminates the need for complex shaft machining processes and protects your machine shafts from direct roller wear. Featuring standardized dimensions of 40 x 45 x 20 mm, this ir series inner ring smoothly accommodates bidirectional axial displacement while ensuring complete interchangeability. Whether you are assembling industrial gearboxes or carrying out preventative maintenance on production machinery, you ensure smooth, reliable, and durable bearing performance every time.

Product information FAQ

€18.95

In stock - tax incl.

Key features according to our expert

Inner diameter: 40 mm
Outer diameter: 45 mm
Width: 20 mm

Product description

Inner rings for needle roller bearings are available as separate components. They are typically combined with needle roller and cage assemblies or drawn cup needle roller bearings in applications where the shaft cannot be hardened and ground. The inner rings in the IR series are the standard SKF inner rings for needle roller bearings.

Enable full interchangeability of inner rings
Standard SKF inner rings for needle roller bearings
Accommodate axial displacement in both directions

Documents

⤓ Technical data sheet PDF

All Features

Inner diameter: 40 mm
Outer diameter: 45 mm
Width: 20 mm
Relubrication feature: Without
Radial internal clearance: CN
Tolerance class: Normal
Raceway diameter: 45
Bore diameter: 40
Coating: Without
Material: Bearing steel
Outside diameter: 45
Special raceway feature: None

Brand SKF
01290127
EAN 7316577010940
Supplier number SKF IR 40X45X20

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this inner ring?: This inner ring has an inside diameter of 40 mm, an outside diameter of 45 mm, and a width of 20 mm.
What is the SKF IR 40X45X20 inner ring used for?: It provides a raceway for needle roller bearings when the shaft cannot be hardened and ground.
Does this inner ring accommodate axial displacement?: Yes, SKF IR series inner rings accommodate axial displacement in both directions.
Is this inner ring interchangeable?: Yes, SKF standard IR series inner rings offer full interchangeability within matching tolerances.