NTN 6805 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6805 is a deep groove ball bearing manufactured by NTN. It belongs to the 6800 series and features dimensions of 25 × 37 × 7 mm (bore × OD × width). This bearing has a dynamic load rating of 2,850 N and a static load rating of 2,000 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 25 mm |
| Outside Diameter (D) | 37 mm |
| Width (B) | 7 mm |
| Weight | 0.019 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 2,850 N |
| Static Load Rating (C₀r) | 2,000 N |
| Limiting Speed (Grease) | 17,000 rpm |
| Limiting Speed (Oil) | 24,000 rpm |
Brand Cross-Reference — 6805 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6805. All share identical dimensions (25×37×7mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6805 ✦ | 2,850 | 2,000 |
| Timken | Timken 6805 | 2,850 | 2,000 |
| SKF | SKF 6805 | 2,850 | 2,000 |
| NACHI | NACHI 6805 | 2,850 | 2,000 |
| KOYO | KOYO 6805 | 2,850 | 2,000 |
| FAG | FAG 6805 | 2,850 | 2,000 |
| Timken | Timken 6805 | 2,850 | 2,000 |
| NSK | NSK 6805 | 2,850 | 2,000 |
| SKF | SKF 6805 | 2,850 | 2,000 |
| NTN | NTN 6805 | 2,850 | 2,000 |
Available Variants
The NTN 6805 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6805?
The NTN 6805 has a bore diameter of 25mm, outside diameter of 37mm, and width of 7mm. It weighs 0.019kg.
What is the load capacity of the NTN 6805?
The dynamic load rating (Cr) is 2,850 N and the static load rating (C₀r) is 2,000 N. The maximum recommended speed is 17,000 rpm with grease lubrication or 24,000 rpm with oil lubrication.
What bearings are equivalent to NTN 6805?
The 6805 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 25×37×7mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.