NSK 51106 Bearing — Specifications, Dimensions & Cross-Reference
The NSK 51106 is a thrust ball bearing manufactured by NSK. It belongs to the 51100 series and features dimensions of 30 × 47 × 11 mm (bore × OD × width). This bearing has a dynamic load rating of 18,200 N and a static load rating of 15,300 N, making it suitable for medium-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 30 mm |
| Outside Diameter (D) | 47 mm |
| Width (B) | 11 mm |
| Weight | 0.065 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 18,200 N |
| Static Load Rating (C₀r) | 15,300 N |
| Limiting Speed (Grease) | 5,600 rpm |
| Limiting Speed (Oil) | 7,500 rpm |
Brand Cross-Reference — 51106 Equivalents
The following bearings from other manufacturers are interchangeable with the NSK 51106. All share identical dimensions (30×47×11mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NSK | NSK 51106 ✦ | 18,200 | 15,300 |
| Timken | Timken 51106 | 18,200 | 15,300 |
| SKF | SKF 51106 | 18,200 | 15,300 |
| NACHI | NACHI 51106 | 18,200 | 15,300 |
| KOYO | KOYO 51106 | 18,200 | 15,300 |
| Timken | Timken 51106 | 18,200 | 15,300 |
| FAG | FAG 51106 | 18,200 | 15,300 |
| SKF | SKF 51106 | 18,200 | 15,300 |
| NTN | NTN 51106 | 18,200 | 15,300 |
Available Variants
The NSK 51106 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NSK 51106?
The NSK 51106 has a bore diameter of 30mm, outside diameter of 47mm, and width of 11mm. It weighs 0.065kg.
What is the load capacity of the NSK 51106?
The dynamic load rating (Cr) is 18,200 N and the static load rating (C₀r) is 15,300 N. The maximum recommended speed is 5,600 rpm with grease lubrication or 7,500 rpm with oil lubrication.
What bearings are equivalent to NSK 51106?
The 51106 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 30×47×11mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.