What are the dimensions of this needle roller bearing?

This bearing has an inside diameter of 30 mm, an outside diameter of 40 mm, and a width of 20 mm.

Does this SKF bearing include an inner ring?

No, it is supplied without an inner ring. The needles run directly on a hardened and ground shaft raceway.

What does the TN suffix indicate?

The TN designation indicates that the cage is made of reinforced polymer (polyamide).

Is this needle roller bearing sealed?

No, this is an open bearing without seals, designed for suitable housing lubrication.

Can this bearing accommodate axial loads?

No, this single row needle roller bearing is engineered strictly to handle heavy radial loads.

SKF NK 30/20 TN needle roller bearing without inner ring 30x40x20 mm

Supplier number: SKF NK 30/20 TN | EAN 7316572175941

Recommended Retail Price €63.00

30.80 tax incl.

€25.45 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 5 products in stock.

Ordered before 20:00 - delivered tomorrow 10/10/2026
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

Compact radial performance with Skf

Practical benefits

Minimal radial space requirement: Without an inner ring, you achieve exceptionally compact bearing arrangements directly on hardened shafts.
Low friction smooth running: The lightweight polymer cage reduces internal friction, allowing you to maintain reliable operation at higher speeds.
High radial load rating: The solid machined outer ring with flanges ensures you handle heavy radial loads with outstanding stiffness.

In a nutshell

The right choise for

With the Skf nk 30/20 tn single row needle roller bearing, you achieve high radial load carrying capacity within minimal radial installation space. Designed without an inner ring, the rollers run directly on a hardened and ground 30 mm shaft, reducing weight and overall dimensions in gearboxes, drivetrains, and pumps. The solid machined outer ring features an outside diameter of 40 mm, a width of 20 mm, and integral flanges for stable guidance. In addition, the lightweight polymer cage minimizes internal friction to ensure smooth, reliable performance at higher operating speeds.

Product information FAQ

€30.80

In stock - tax incl.

Key features according to our expert

Inner diameter: 30 mm
Width: 20 mm
Sealing (bearing): Without seals
Material (bearing seal): Not applicable
Number of rows: 1
Material (cage): Plastic
Outer diameter: 40 mm

Product description

Single row needle roller bearings without an inner ring consist of an outer ring with a needle roller and cage assembly. They are an excellent choice for compact bearing arrangements in applications where hardened and ground raceways can be provided on the shaft. The outer ring includes two integral flanges to guide the bearing axially and an annular groove with one or more lubrication holes to facilitate relubrication.

High radial load carrying capacity
High stiffness
Low cross-sectional height
Accommodate axial displacement in both directions

Documents

⤓ Technical data sheet PDF

All Features

Inner diameter: 30 mm
Width: 20 mm
Sealing (bearing): Without seals
Material (bearing seal): Not applicable
Number of rows: 1
Material (cage): Plastic
Outer diameter: 40 mm
Basic static load rating: 44
Bearing part: Bearing without inner ring
Tolerance class: Normal
Aligning feature: Without
Reference speed: 13000
Bore diameter of needle roller complement: 30
Relubrication feature: With
Number of flanges, outer ring: 2
Lubricant: None
Cage: Non-metallic
Sealing: Without
Basic dynamic load rating: 25.1
Outer ring type: Machined (solid)
Limiting speed: 15000
Coating: Without
Outer diameter: 40
Material, bearing: Bearing steel

Brand SKF
01290077
EAN 7316572175941
Supplier number SKF NK 30/20 TN

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this needle roller bearing?: This bearing has an inside diameter of 30 mm, an outside diameter of 40 mm, and a width of 20 mm.
Does this SKF bearing include an inner ring?: No, it is supplied without an inner ring. The needles run directly on a hardened and ground shaft raceway.
What does the TN suffix indicate?: The TN designation indicates that the cage is made of reinforced polymer (polyamide).
Is this needle roller bearing sealed?: No, this is an open bearing without seals, designed for suitable housing lubrication.
Can this bearing accommodate axial loads?: No, this single row needle roller bearing is engineered strictly to handle heavy radial loads.