NSK 6301 Bearing — Specifications, Dimensions & Cross-Reference
The NSK 6301 is a deep groove ball bearing manufactured by NSK. It belongs to the 6300 series and features dimensions of 12 × 37 × 12 mm (bore × OD × width). This bearing has a dynamic load rating of 9,750 N and a static load rating of 4,150 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 12 mm |
| Outside Diameter (D) | 37 mm |
| Width (B) | 12 mm |
| Weight | 0.058 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 9,750 N |
| Static Load Rating (C₀r) | 4,150 N |
| Limiting Speed (Grease) | 19,000 rpm |
| Limiting Speed (Oil) | 24,000 rpm |
Brand Cross-Reference — 6301 Equivalents
The following bearings from other manufacturers are interchangeable with the NSK 6301. All share identical dimensions (12×37×12mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NSK | NSK 6301 ✦ | 9,750 | 4,150 |
| Timken | Timken 6301 | 9,750 | 4,150 |
| SKF | SKF 6301 | 9,750 | 4,150 |
| NTN | NTN 6301 | 9,750 | 4,150 |
| NACHI | NACHI 6301 | 9,750 | 4,150 |
| KOYO | KOYO 6301 | 9,750 | 4,150 |
| FAG | FAG 6301 | 9,750 | 4,150 |
| Timken | Timken 6301 | 9,750 | 4,150 |
| NTN | NTN 6301 | 9,750 | 4,150 |
| SKF | SKF 6301 | 9,750 | 4,150 |
Available Variants
The NSK 6301 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NSK 6301?
The NSK 6301 has a bore diameter of 12mm, outside diameter of 37mm, and width of 12mm. It weighs 0.058kg.
What is the load capacity of the NSK 6301?
The dynamic load rating (Cr) is 9,750 N and the static load rating (C₀r) is 4,150 N. The maximum recommended speed is 19,000 rpm with grease lubrication or 24,000 rpm with oil lubrication.
What bearings are equivalent to NSK 6301?
The 6301 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 12×37×12mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.