SKF 51105 Bearing — Specifications, Dimensions & Cross-Reference
The SKF 51105 is a thrust ball bearing manufactured by SKF. It belongs to the 51100 series and features dimensions of 25 × 42 × 11 mm (bore × OD × width). This bearing has a dynamic load rating of 18,200 N and a static load rating of 14,600 N, making it suitable for medium-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 25 mm |
| Outside Diameter (D) | 42 mm |
| Width (B) | 11 mm |
| Weight | 0.060 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 18,200 N |
| Static Load Rating (C₀r) | 14,600 N |
| Limiting Speed (Grease) | 6,300 rpm |
| Limiting Speed (Oil) | 8,500 rpm |
Brand Cross-Reference — 51105 Equivalents
The following bearings from other manufacturers are interchangeable with the SKF 51105. All share identical dimensions (25×42×11mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| SKF | SKF 51105 ✦ | 18,200 | 14,600 |
| Timken | Timken 51105 | 18,200 | 14,600 |
| SKF | SKF 51105 | 18,200 | 14,600 |
| NACHI | NACHI 51105 | 18,200 | 14,600 |
| KOYO | KOYO 51105 | 18,200 | 14,600 |
| FAG | FAG 51105 | 18,200 | 14,600 |
| Timken | Timken 51105 | 18,200 | 14,600 |
| NSK | NSK 51105 | 18,200 | 14,600 |
| NTN | NTN 51105 | 18,200 | 14,600 |
Available Variants
The SKF 51105 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the SKF 51105?
The SKF 51105 has a bore diameter of 25mm, outside diameter of 42mm, and width of 11mm. It weighs 0.060kg.
What is the load capacity of the SKF 51105?
The dynamic load rating (Cr) is 18,200 N and the static load rating (C₀r) is 14,600 N. The maximum recommended speed is 6,300 rpm with grease lubrication or 8,500 rpm with oil lubrication.
What bearings are equivalent to SKF 51105?
The 51105 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 25×42×11mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.