NTN 1210 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 1210 is a self-aligning ball bearing manufactured by NTN. It belongs to the 1200 series and features dimensions of 50 × 90 × 20 mm (bore × OD × width). This bearing has a dynamic load rating of 19,500 N and a static load rating of 8,300 N, making it suitable for medium-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 50 mm |
| Outside Diameter (D) | 90 mm |
| Width (B) | 20 mm |
| Weight | 0.370 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 19,500 N |
| Static Load Rating (C₀r) | 8,300 N |
| Limiting Speed (Grease) | 6,700 rpm |
| Limiting Speed (Oil) | 8,500 rpm |
Brand Cross-Reference — 1210 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 1210. All share identical dimensions (50×90×20mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 1210 ✦ | 19,500 | 8,300 |
| Timken | Timken 1210 | 19,500 | 8,300 |
| SKF | SKF 1210 | 19,500 | 8,300 |
| NACHI | NACHI 1210 | 19,500 | 8,300 |
| KOYO | KOYO 1210 | 19,500 | 8,300 |
| Timken | Timken 1210 | 19,500 | 8,300 |
| NSK | NSK 1210 | 19,500 | 8,300 |
| FAG | FAG 1210 | 19,500 | 8,300 |
| SKF | SKF 1210 | 19,500 | 8,300 |
Available Variants
The NTN 1210 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 1210?
The NTN 1210 has a bore diameter of 50mm, outside diameter of 90mm, and width of 20mm. It weighs 0.370kg.
What is the load capacity of the NTN 1210?
The dynamic load rating (Cr) is 19,500 N and the static load rating (C₀r) is 8,300 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 1210?
The 1210 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.