NTN 51102-ZZ Bearing — Specifications, Dimensions & Cross-Reference
The NTN 51102-ZZ is a thrust ball bearing double metal shielded 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-ZZ Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 51102-ZZ. All share identical dimensions (15×28×9mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 51102-ZZ ✦ | 8,830 | 6,000 |
| Timken | Timken 51102-ZZ | 8,830 | 6,000 |
| SKF | SKF 51102-ZZ | 8,830 | 6,000 |
| NACHI | NACHI 51102-ZZ | 8,830 | 6,000 |
| KOYO | KOYO 51102-ZZ | 8,830 | 6,000 |
| Timken | Timken 51102-ZZ | 8,830 | 6,000 |
| FAG | FAG 51102-ZZ | 8,830 | 6,000 |
| NSK | NSK 51102-ZZ | 8,830 | 6,000 |
| SKF | SKF 51102-ZZ | 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-ZZ?
The NTN 51102-ZZ 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-ZZ?
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-ZZ?
The 51102-ZZ 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.