NSK 6901 Bearing — Specifications, Dimensions & Cross-Reference
The NSK 6901 is a deep groove ball bearing manufactured by NSK. 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 |
| Weight | 0.010 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 |
Brand Cross-Reference — 6901 Equivalents
The following bearings from other manufacturers are interchangeable with the NSK 6901. All share identical dimensions (12×24×6mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NSK | NSK 6901 ✦ | 2,340 | 1,370 |
| 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 |
| KOYO | KOYO 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 |
| SKF | SKF 6901 | 2,340 | 1,370 |
Available Variants
The NSK 6901 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NSK 6901?
The NSK 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 NSK 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 NSK 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.