What are the dimensions of this needle roller bearing?

The bearing has an inside diameter of 30 mm, an outside diameter of 42 mm, and a width of 17 mm.

Does the SKF RNA 4905 include an inner ring?

No, this model comes without an inner ring. The rollers run directly on a hardened and ground shaft raceway.

Does this needle roller bearing have integrated seals?

No, this bearing is an open design without integrated sealing.

What material is the cage made of?

The cage of this bearing is made of sheet steel.

Can this bearing be relubricated?

Yes, the outer ring features an annular groove and lubrication holes for easy relubrication.

SKF RNA 4905 needle roller bearing without inner ring 30x42x17 mm

Supplier number: SKF RNA 4905 | EAN 7316577015051

Recommended Retail Price €85.79

41.95 tax incl.

€34.67 excl. VAT (incl. all environmental contributions)

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

Ordered before 20:00 - delivered as of 13/10/2026
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 support for heavy radial loads

Practical benefits

High radial load capacity: With the Skf RNA 4905 needle roller bearing, you handle heavy radial forces in tight spaces.
Space-saving ringless design: You mount the bearing directly onto a hardened shaft, saving valuable installation space in your assembly.
Robust sheet steel cage: The durable steel cage guides the rollers smoothly to give you consistent and reliable rotation.

In a nutshell

The right choise for

With the Skf rna 4905 needle roller bearing, you achieve a compact and stiff bearing arrangement designed to handle heavy radial loads. Because it is designed without an inner ring, you mount it directly onto a 30 mm hardened and ground shaft, saving valuable installation space and reducing weight in industrial gearboxes and machinery. The solid 42 mm outer ring with flanges and the robust sheet steel cage guide the rollers precisely for smooth, stable operation. Furthermore, the lubrication groove and holes in the outer ring allow for quick and easy relubrication to keep your drivetrain running reliably.

Product information FAQ

€41.95

In stock - tax incl.

Key features according to our expert

Inner diameter: 30 mm
Width: 17 mm
Sealing (bearing): Without seals
Material (bearing seal): Not applicable
Number of rows: 1
Material (cage): Sheet steel
Outer diameter: 42 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: 17 mm
Sealing (bearing): Without seals
Material (bearing seal): Not applicable
Number of rows: 1
Material (cage): Sheet steel
Outer diameter: 42 mm
Bore diameter of needle roller complement: 30
Tolerance class: Normal
Aligning feature: Without
Basic static load rating: 34.5
Skf performance class: SKF Explorer
Relubrication feature: With
Reference speed: 13000
Sealing: Without
Lubricant: None
Cage: Sheet steel
Bearing part: Bearing without inner ring
Number of flanges, outer ring: 2
Outer ring type: Machined (solid)
Limiting speed: 15000
Basic dynamic load rating: 28
Coating: Without
Outer diameter: 42
Material, bearing: Bearing steel

Brand SKF
01290440
EAN 7316577015051
Supplier number SKF RNA 4905

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this needle roller bearing?: The bearing has an inside diameter of 30 mm, an outside diameter of 42 mm, and a width of 17 mm.
Does the SKF RNA 4905 include an inner ring?: No, this model comes without an inner ring. The rollers run directly on a hardened and ground shaft raceway.
Does this needle roller bearing have integrated seals?: No, this bearing is an open design without integrated sealing.
What material is the cage made of?: The cage of this bearing is made of sheet steel.
Can this bearing be relubricated?: Yes, the outer ring features an annular groove and lubrication holes for easy relubrication.