SKF 51104-2Z Bearing — Specifications, Dimensions & Cross-Reference
The SKF 51104-2Z is a thrust ball bearing double metal shielded manufactured by SKF. It belongs to the 51100 series and features dimensions of 20 × 35 × 10 mm (bore × OD × width). This bearing has a dynamic load rating of 12,500 N and a static load rating of 9,300 N, making it suitable for medium-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 20 mm |
| Outside Diameter (D) | 35 mm |
| Width (B) | 10 mm |
| Weight | 0.038 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 12,500 N |
| Static Load Rating (C₀r) | 9,300 N |
| Limiting Speed (Grease) | 7,500 rpm |
| Limiting Speed (Oil) | 10,000 rpm |
Brand Cross-Reference — 51104-2Z Equivalents
The following bearings from other manufacturers are interchangeable with the SKF 51104-2Z. All share identical dimensions (20×35×10mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| SKF | SKF 51104-2Z ✦ | 12,500 | 9,300 |
| Timken | Timken 51104-2Z | 12,500 | 9,300 |
| NACHI | NACHI 51104-2Z | 12,500 | 9,300 |
| KOYO | KOYO 51104-2Z | 12,500 | 9,300 |
| Timken | Timken 51104-2Z | 12,500 | 9,300 |
| FAG | FAG 51104-2Z | 12,500 | 9,300 |
| NSK | NSK 51104-2Z | 12,500 | 9,300 |
| SKF | SKF 51104-2Z | 12,500 | 9,300 |
| NTN | NTN 51104-2Z | 12,500 | 9,300 |
Available Variants
The SKF 51104 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the SKF 51104-2Z?
The SKF 51104-2Z has a bore diameter of 20mm, outside diameter of 35mm, and width of 10mm. It weighs 0.038kg.
What is the load capacity of the SKF 51104-2Z?
The dynamic load rating (Cr) is 12,500 N and the static load rating (C₀r) is 9,300 N. The maximum recommended speed is 7,500 rpm with grease lubrication or 10,000 rpm with oil lubrication.
What bearings are equivalent to SKF 51104-2Z?
The 51104-2Z is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 20×35×10mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.