NTN 6900-C3 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6900-C3 is a deep groove ball bearing with C3 clearance manufactured by NTN. It belongs to the 6900 series and features dimensions of 10 × 22 × 6 mm (bore × OD × width). This bearing has a dynamic load rating of 2,340 N and a static load rating of 1,270 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 10 mm |
| Outside Diameter (D) | 22 mm |
| Width (B) | 6 mm |
| Weight | 0.009 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 2,340 N |
| Static Load Rating (C₀r) | 1,270 N |
| Limiting Speed (Grease) | 28,000 rpm |
| Limiting Speed (Oil) | 36,000 rpm |
Brand Cross-Reference — 6900-C3 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6900-C3. All share identical dimensions (10×22×6mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6900-C3 ✦ | 2,340 | 1,270 |
| Timken | Timken 6900-C3 | 2,340 | 1,270 |
| SKF | SKF 6900-C3 | 2,340 | 1,270 |
| NTN | NTN 6900-C3 | 2,340 | 1,270 |
| NACHI | NACHI 6900-C3 | 2,340 | 1,270 |
| KOYO | KOYO 6900-C3 | 2,340 | 1,270 |
| FAG | FAG 6900-C3 | 2,340 | 1,270 |
| Timken | Timken 6900-C3 | 2,340 | 1,270 |
| NSK | NSK 6900-C3 | 2,340 | 1,270 |
| SKF | SKF 6900-C3 | 2,340 | 1,270 |
Available Variants
The NTN 6900 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6900-C3?
The NTN 6900-C3 has a bore diameter of 10mm, outside diameter of 22mm, and width of 6mm. It weighs 0.009kg.
What is the load capacity of the NTN 6900-C3?
The dynamic load rating (Cr) is 2,340 N and the static load rating (C₀r) is 1,270 N. The maximum recommended speed is 28,000 rpm with grease lubrication or 36,000 rpm with oil lubrication.
What bearings are equivalent to NTN 6900-C3?
The 6900-C3 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 10×22×6mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.