What are the dimensions of this cylindrical roller bearing?

The bearing has an inside diameter of 45 mm, an outside diameter of 100 mm, and a width of 25 mm.

What does the NJ design indicate for this bearing?

The NJ design has two integral flanges on the outer ring and one on the inner ring, allowing it to locate the shaft axially in one direction.

What material is the cage made of?

This bearing features a non-metallic plastic cage (polyamide).

What radial internal clearance does this bearing have?

This model has normal radial internal clearance (CN).

Does this cylindrical roller bearing have integrated seals?

No, this is an open bearing without seals.

SKF NJ 309 ECP single-row cylindrical roller bearing 45 x 100 x 25 mm

Supplier number: SKF NJ 309 ECP | EAN 7316577027962

Recommended Retail Price €244.27

120.80 tax incl.

€99.83 excl. VAT (incl. all environmental contributions)

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

Ordered before 20:00 - delivered as of 12/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

↓ Documents (1) ✆ Talk to a specialist

Heavy load support for high-speed shafts

Practical benefits

High radial load capacity: You handle heavy radial forces at high speeds effortlessly with the precision roller arrangement.
Single direction axial location: The integrated flange design provides you with stable axial shaft positioning in one direction.
Separable design for mounting: Because the rings are separable, you can mount, inspect, and maintain the bearing components smoothly.

In a nutshell

The right choise for

With the Skf nj 309 ecp single row cylindrical roller bearing, you gain reliable performance for heavy radial loads and high rotational speeds. Its nj design features two integral flanges on the outer ring and one on the inner ring, providing dependable single-direction axial shaft location. Measuring 45 x 100 x 25 mm with a lightweight plastic cage and normal radial internal clearance CN, it ensures smooth operation in demanding mechanical drivetrains, gearboxes, and electric motors. Furthermore, the separable open design makes mounting, inspection, and maintenance remarkably quick and straightforward.

Product information FAQ

€120.80

In stock - tax incl.

Key features according to our expert

Inner diameter: 45 mm
Width: 25 mm
Number of rows: 1
Radial clearance: CN (Normal)
Material (cage): Plastic
Sealing (bearing): Without seals
Material (bearing seal): Not applicable
Bore type: Cylindrical
Outer diameter: 100 mm

Product description

Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and one on the inner ring, NJ design bearings can accommodate axial displacement in one direction. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.

High radial load carrying capacity
Low friction
Long service life
Locate the shaft axially in one direction
Separable design

Documents

⤓ Technical data sheet PDF

All Features

Inner diameter: 45 mm
Width: 25 mm
Number of rows: 1
Radial clearance: CN (Normal)
Material (cage): Plastic
Sealing (bearing): Without seals
Material (bearing seal): Not applicable
Bore type: Cylindrical
Outer diameter: 100 mm
Relubrication feature: Without
Tolerance class: Normal
Radial internal clearance: CN
Loose flange: None
Basic static load rating: 100
Cage: Non-metallic
Reference speed: 7500
Skf performance class: SKF Explorer
Lubricant: None
Locating feature, bearing outer ring: None
Number of flanges, inner ring: 1
Bearing part: Complete bearing
Sealing: Without
Number of flanges, outer ring: 2
Limiting speed: 8500
Bore diameter: 45
Basic dynamic load rating: 112
Coating: Without
Outer diameter: 100
Axial displacement capability: In one direction

Brand SKF
01070033
EAN 7316577027962
Supplier number SKF NJ 309 ECP

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this cylindrical roller bearing?: The bearing has an inside diameter of 45 mm, an outside diameter of 100 mm, and a width of 25 mm.
What does the NJ design indicate for this bearing?: The NJ design has two integral flanges on the outer ring and one on the inner ring, allowing it to locate the shaft axially in one direction.
What material is the cage made of?: This bearing features a non-metallic plastic cage (polyamide).
What radial internal clearance does this bearing have?: This model has normal radial internal clearance (CN).
Does this cylindrical roller bearing have integrated seals?: No, this is an open bearing without seals.