NTN 6902 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6902 is a deep groove ball bearing manufactured by NTN. It belongs to the 6900 series and features dimensions of 15 × 28 × 7 mm (bore × OD × width). This bearing has a dynamic load rating of 3,450 N and a static load rating of 1,960 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 15 mm |
| Outside Diameter (D) | 28 mm |
| Width (B) | 7 mm |
| Weight | 0.014 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 3,450 N |
| Static Load Rating (C₀r) | 1,960 N |
| Limiting Speed (Grease) | 22,000 rpm |
| Limiting Speed (Oil) | 30,000 rpm |
Brand Cross-Reference — 6902 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6902. All share identical dimensions (15×28×7mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6902 ✦ | 3,450 | 1,960 |
| NTN | NTN 6902 | 3,450 | 1,960 |
| NACHI | NACHI 6902 | 3,450 | 1,960 |
| KOYO | KOYO 6902 | 3,450 | 1,960 |
| FAG | FAG 6902 | 3,450 | 1,960 |
| Timken | Timken 6902 | 3,450 | 1,960 |
| NSK | NSK 6902 | 3,450 | 1,960 |
| SKF | SKF 6902 | 3,450 | 1,960 |
Available Variants
The NTN 6902 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6902?
The NTN 6902 has a bore diameter of 15mm, outside diameter of 28mm, and width of 7mm. It weighs 0.014kg.
What is the load capacity of the NTN 6902?
The dynamic load rating (Cr) is 3,450 N and the static load rating (C₀r) is 1,960 N. The maximum recommended speed is 22,000 rpm with grease lubrication or 30,000 rpm with oil lubrication.
What bearings are equivalent to NTN 6902?
The 6902 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 15×28×7mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.