Timken 51101-NR Bearing — Specifications, Dimensions & Cross-Reference
The Timken 51101-NR is a thrust ball bearing with snap ring groove manufactured by Timken. It belongs to the 51100 series and features dimensions of 12 × 26 × 9 mm (bore × OD × width). This bearing has a dynamic load rating of 8,710 N and a static load rating of 5,730 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 12 mm |
| Outside Diameter (D) | 26 mm |
| Width (B) | 9 mm |
| Weight | 0.022 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 8,710 N |
| Static Load Rating (C₀r) | 5,730 N |
| Limiting Speed (Grease) | 10,000 rpm |
| Limiting Speed (Oil) | 13,000 rpm |
Brand Cross-Reference — 51101-NR Equivalents
The following bearings from other manufacturers are interchangeable with the Timken 51101-NR. All share identical dimensions (12×26×9mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| Timken | Timken 51101-NR ✦ | 8,710 | 5,730 |
| Timken | Timken 51101-NR | 8,710 | 5,730 |
| SKF | SKF 51101-NR | 8,710 | 5,730 |
| NACHI | NACHI 51101-NR | 8,710 | 5,730 |
| KOYO | KOYO 51101-NR | 8,710 | 5,730 |
| FAG | FAG 51101-NR | 8,710 | 5,730 |
| NSK | NSK 51101-NR | 8,710 | 5,730 |
| NTN | NTN 51101-NR | 8,710 | 5,730 |
| SKF | SKF 51101-NR | 8,710 | 5,730 |
Available Variants
The Timken 51101 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the Timken 51101-NR?
The Timken 51101-NR has a bore diameter of 12mm, outside diameter of 26mm, and width of 9mm. It weighs 0.022kg.
What is the load capacity of the Timken 51101-NR?
The dynamic load rating (Cr) is 8,710 N and the static load rating (C₀r) is 5,730 N. The maximum recommended speed is 10,000 rpm with grease lubrication or 13,000 rpm with oil lubrication.
What bearings are equivalent to Timken 51101-NR?
The 51101-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 12×26×9mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.