NTN 6210 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6210 is a deep groove ball bearing manufactured by NTN. It belongs to the 6200 series and features dimensions of 50 × 90 × 20 mm (bore × OD × width). This bearing has a dynamic load rating of 35,100 N and a static load rating of 21,600 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 50 mm |
| Outside Diameter (D) | 90 mm |
| Width (B) | 20 mm |
| Weight | 0.440 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 35,100 N |
| Static Load Rating (C₀r) | 21,600 N |
| Limiting Speed (Grease) | 6,700 rpm |
| Limiting Speed (Oil) | 8,500 rpm |
Brand Cross-Reference — 6210 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6210. All share identical dimensions (50×90×20mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6210 ✦ | 35,100 | 21,600 |
| NACHI | NACHI 6210 | 35,100 | 21,600 |
| KOYO | KOYO 6210 | 35,100 | 21,600 |
| Timken | Timken 6210 | 35,100 | 21,600 |
| FAG | FAG 6210 | 35,100 | 21,600 |
| NSK | NSK 6210 | 35,100 | 21,600 |
| SKF | SKF 6210 | 35,100 | 21,600 |
Available Variants
The NTN 6210 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6210?
The NTN 6210 has a bore diameter of 50mm, outside diameter of 90mm, and width of 20mm. It weighs 0.440kg.
What is the load capacity of the NTN 6210?
The dynamic load rating (Cr) is 35,100 N and the static load rating (C₀r) is 21,600 N. The maximum recommended speed is 6,700 rpm with grease lubrication or 8,500 rpm with oil lubrication.
What bearings are equivalent to NTN 6210?
The 6210 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 50×90×20mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.