SKF 6906 Bearing — Specifications, Dimensions & Cross-Reference
The SKF 6906 is a deep groove ball bearing manufactured by SKF. It belongs to the 6900 series and features dimensions of 30 × 47 × 9 mm (bore × OD × width). This bearing has a dynamic load rating of 5,850 N and a static load rating of 3,800 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 30 mm |
| Outside Diameter (D) | 47 mm |
| Width (B) | 9 mm |
| Weight | 0.036 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 5,850 N |
| Static Load Rating (C₀r) | 3,800 N |
| Limiting Speed (Grease) | 14,000 rpm |
| Limiting Speed (Oil) | 19,000 rpm |
Brand Cross-Reference — 6906 Equivalents
The following bearings from other manufacturers are interchangeable with the SKF 6906. All share identical dimensions (30×47×9mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| SKF | SKF 6906 ✦ | 5,850 | 3,800 |
| NTN | NTN 6906 | 5,850 | 3,800 |
| KOYO | KOYO 6906 | 5,850 | 3,800 |
| FAG | FAG 6906 | 5,850 | 3,800 |
| NACHI | NACHI 6906 | 5,850 | 3,800 |
| Timken | Timken 6906 | 5,850 | 3,800 |
| NTN | NTN 6906 | 5,850 | 3,800 |
| NSK | NSK 6906 | 5,850 | 3,800 |
Available Variants
The SKF 6906 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the SKF 6906?
The SKF 6906 has a bore diameter of 30mm, outside diameter of 47mm, and width of 9mm. It weighs 0.036kg.
What is the load capacity of the SKF 6906?
The dynamic load rating (Cr) is 5,850 N and the static load rating (C₀r) is 3,800 N. The maximum recommended speed is 14,000 rpm with grease lubrication or 19,000 rpm with oil lubrication.
What bearings are equivalent to SKF 6906?
The 6906 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 30×47×9mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.