What is the equivalent of a NJ210W bearing?

The NJ210W is a 50×90×20mm cylindrical roller bearing with verified equivalents across multiple brands: NSK NJ210W, NTN NJ210ET2, SKF NJ 210 ECP, Timken NJ210EM. All equivalents share the same bore, outer diameter, width, and load ratings.

What are the dimensions of a NJ210W bearing?

The NJ210W bearing has a bore diameter of 50mm, outer diameter of 90mm, and width of 20mm. It has a dynamic load rating of 48 kN, static load rating of 51 kN, and weighs 480g. Maximum speed with grease lubrication is 5,600 rpm.

Can I replace a FAG NJ210W with a NSK equivalent?

Yes. FAG and NSK bearings with the same ISO designation are dimensionally interchangeable. The NJ210W (50×90×20mm) can be replaced with the equivalent NSK part number as long as the seal type (open) and clearance class (CN) match. Always verify load ratings and speed limits for your specific application.

NJ210W

OpenCNCylindrical Roller BearingVerified matchCylindrical Roller — Light Series (NJ)

Single row cylindrical roller bearings with ribs on the outer ring and one rib on the inner ring. NJ-type provides axial restraint in one direction, suitable as a semi-locating bearing. Same dimensions as NU200 series.

50 × 90 × 20mm

Open (no seal)

Cr 48 kN / C₀r 51 kN

5,600 rpm (grease)

FAGNJ210-E-TVP2

Pricing not yet available for this part.

Match Details

The specifications and details for why this match is correct.

Specifications

Bore diameter (d)	50 mm
Outer diameter (D)	90 mm
Width (B)	20 mm
Dynamic load rating (C)	48 kN
Static load rating (C₀)	51 kN
Weight	480 g
Max speed (grease)	5,600 rpm
Max speed (oil)	7,500 rpm

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Why This Match Is Correct

✓Exact dimensional match (bore, OD, width)

✓Load ratings within tolerance

✓Seal type verified via manufacturer tables

✓Speed rating compatible

Cross-References

Every way this part is identified across brands and catalogs.

Tier-1 Brand Equivalents

Brand	Part Number	Seal	Clearance	Status
FAG	NJ210-E-TVP2	Open	CN	Verified
NSK	NJ210W	Open	CN	Current
NTN	NJ210ET2	Open	CN	Verified
SKF	NJ 210 ECP	Open	CN	Verified
Timken	NJ210EM	Open	CN	Verified

Legacy & Proprietary Numbers

KOYONJ210NSKNJ210NTNNJ210SKFNJ210SNRNJ210STEYRNJ210ZKLNJ210

Technical Details & Applications

Specification variations and common equipment types.

Internal Clearance

Normal Clearance (CN)

Standard radial internal clearance. Suitable for most applications under normal operating conditions.

TemperatureUp to ~70°C operating temperature

Seal Type

Open (No Seal)

No seals or shields. Allows external lubrication and cooling. Lowest friction, highest speed capability.

Avoid forDirty, dusty, or wet environments. Applications without planned lubrication maintenance.

Examples

Machine tool spindles
Gearboxes with oil bath lubrication
High-speed precision equipment

Where This Bearing Is Used

Electric motorsPumps and compressorsConveyor rollersAgricultural machineryFans and blowersGearboxesPower transmission equipmentWashing machinesPrinting pressesHVACAutomotive alternators and A/C compressors

Alternative Parts

Options if this exact part isn't what you need.

Same Geometry, Different Configuration

SKF Part Number	Seal Type	Clearance
NJ 210 ECP	Open (No Seal)	CN
NJ 210 ECP/C3	Open (No Seal)	C3

Related Bearings

Adjacent sizes and cross-series bearings from our catalog.