KOYO 6901 Bearing — Specifications, Dimensions & Cross-Reference

The KOYO 6901 is a deep groove ball bearing manufactured by KOYO. It belongs to the 6900 series and features dimensions of 12 × 24 × 6 mm (bore × OD × width). This bearing has a dynamic load rating of 2,340 N and a static load rating of 1,370 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)12 mm
Outside Diameter (D)24 mm
Width (B)6 mm
Weight0.010 kg
Performance
Dynamic Load Rating (Cr)2,340 N
Static Load Rating (C₀r)1,370 N
Limiting Speed (Grease)26,000 rpm
Limiting Speed (Oil)34,000 rpm
💡 Application Note: The 6900 series bearings are commonly used in office equipment, small electric motors, and light industrial applications.

Brand Cross-Reference — 6901 Equivalents

The following bearings from other manufacturers are interchangeable with the KOYO 6901. All share identical dimensions (12×24×6mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
KOYOKOYO 6901 ✦2,3401,370
Timken Timken 6901 2,340 1,370
SKF SKF 6901 2,340 1,370
NTN NTN 6901 2,340 1,370
NACHI NACHI 6901 2,340 1,370
FAG FAG 6901 2,340 1,370
Timken Timken 6901 2,340 1,370
NTN NTN 6901 2,340 1,370
NSK NSK 6901 2,340 1,370
SKF SKF 6901 2,340 1,370

Available Variants

The KOYO 6901 base bearing is available in these configurations:

KOYO 6901-ZZ-C3
"Double shielded
KOYO 6901-ZZ
Double metal shielded
KOYO 6901-NR
Open with snap ring
KOYO 6901-C3
"Open
KOYO 6901-2Z
Double metal shielded (ISO)
KOYO 6901-2RS-C3
"Double sealed
KOYO 6901-2RS
Double rubber sealed

Frequently Asked Questions

What are the dimensions of the KOYO 6901?

The KOYO 6901 has a bore diameter of 12mm, outside diameter of 24mm, and width of 6mm. It weighs 0.010kg.

What is the load capacity of the KOYO 6901?

The dynamic load rating (Cr) is 2,340 N and the static load rating (C₀r) is 1,370 N. The maximum recommended speed is 26,000 rpm with grease lubrication or 34,000 rpm with oil lubrication.

What bearings are equivalent to KOYO 6901?

The 6901 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 12×24×6mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.