NSK 6210 Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6210 is a deep groove ball bearing manufactured by NSK. It belongs to the 6200 series and features dimensions of 50 × 90 × 20 mm (bore × OD × width). This bearing has a dynamic load rating of 35,100 N and a static load rating of 21,600 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)50 mm
Outside Diameter (D)90 mm
Width (B)20 mm
Weight0.440 kg
Performance
Dynamic Load Rating (Cr)35,100 N
Static Load Rating (C₀r)21,600 N
Limiting Speed (Grease)6,700 rpm
Limiting Speed (Oil)8,500 rpm
💡 Application Note: The 6200 series bearings are commonly used in electric motors, agricultural machinery, conveyors, and automotive components.

Brand Cross-Reference — 6210 Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6210. All share identical dimensions (50×90×20mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
NSKNSK 6210 ✦35,10021,600
NACHI NACHI 6210 35,100 21,600
KOYO KOYO 6210 35,100 21,600
Timken Timken 6210 35,100 21,600
FAG FAG 6210 35,100 21,600
NTN NTN 6210 35,100 21,600
SKF SKF 6210 35,100 21,600

Available Variants

The NSK 6210 base bearing is available in these configurations:

NSK 6210-NR
Open with snap ring
NSK 6210-ZZ-C3
Double shielded, C3 clearance
NSK 6210-2RS-C3
Double sealed, C3 clearance
NSK 6210-C3
Open, C3 clearance
NSK 6210-2Z
Double metal shielded (ISO)
NSK 6210-ZZ
Double metal shielded
NSK 6210-2RS
Double rubber sealed

Frequently Asked Questions

What are the dimensions of the NSK 6210?

The NSK 6210 has a bore diameter of 50mm, outside diameter of 90mm, and width of 20mm. It weighs 0.440kg.

What is the load capacity of the NSK 6210?

The dynamic load rating (Cr) is 35,100 N and the static load rating (C₀r) is 21,600 N. The maximum recommended speed is 6,700 rpm with grease lubrication or 8,500 rpm with oil lubrication.

What bearings are equivalent to NSK 6210?

The 6210 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 50×90×20mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.