NTN 51102 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 51102 is a thrust ball bearing manufactured by NTN. It belongs to the 51100 series and features dimensions of 15 × 28 × 9 mm (bore × OD × width). This bearing has a dynamic load rating of 8,830 N and a static load rating of 6,000 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 15 mm |
| Outside Diameter (D) | 28 mm |
| Width (B) | 9 mm |
| Weight | 0.024 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 8,830 N |
| Static Load Rating (C₀r) | 6,000 N |
| Limiting Speed (Grease) | 9,500 rpm |
| Limiting Speed (Oil) | 12,000 rpm |
Brand Cross-Reference — 51102 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 51102. All share identical dimensions (15×28×9mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 51102 ✦ | 8,830 | 6,000 |
| Timken | Timken 51102 | 8,830 | 6,000 |
| SKF | SKF 51102 | 8,830 | 6,000 |
| NACHI | NACHI 51102 | 8,830 | 6,000 |
| KOYO | KOYO 51102 | 8,830 | 6,000 |
| FAG | FAG 51102 | 8,830 | 6,000 |
| Timken | Timken 51102 | 8,830 | 6,000 |
| NSK | NSK 51102 | 8,830 | 6,000 |
| SKF | SKF 51102 | 8,830 | 6,000 |
Available Variants
The NTN 51102 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 51102?
The NTN 51102 has a bore diameter of 15mm, outside diameter of 28mm, and width of 9mm. It weighs 0.024kg.
What is the load capacity of the NTN 51102?
The dynamic load rating (Cr) is 8,830 N and the static load rating (C₀r) is 6,000 N. The maximum recommended speed is 9,500 rpm with grease lubrication or 12,000 rpm with oil lubrication.
What bearings are equivalent to NTN 51102?
The 51102 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 15×28×9mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.