SKF 6911-C3 Bearing — Specifications, Dimensions & Cross-Reference
The SKF 6911-C3 is a deep groove ball bearing with C3 clearance manufactured by SKF. It belongs to the 6900 series and features dimensions of 55 × 80 × 13 mm (bore × OD × width). This bearing has a dynamic load rating of 14,300 N and a static load rating of 11,200 N, making it suitable for medium-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 55 mm |
| Outside Diameter (D) | 80 mm |
| Width (B) | 13 mm |
| Weight | 0.130 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 14,300 N |
| Static Load Rating (C₀r) | 11,200 N |
| Limiting Speed (Grease) | 8,000 rpm |
| Limiting Speed (Oil) | 11,000 rpm |
Brand Cross-Reference — 6911-C3 Equivalents
The following bearings from other manufacturers are interchangeable with the SKF 6911-C3. All share identical dimensions (55×80×13mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| SKF | SKF 6911-C3 ✦ | 14,300 | 11,200 |
| Timken | Timken 6911-C3 | 14,300 | 11,200 |
| SKF | SKF 6911-C3 | 14,300 | 11,200 |
| NTN | NTN 6911-C3 | 14,300 | 11,200 |
| KOYO | KOYO 6911-C3 | 14,300 | 11,200 |
| FAG | FAG 6911-C3 | 14,300 | 11,200 |
| NACHI | NACHI 6911-C3 | 14,300 | 11,200 |
| Timken | Timken 6911-C3 | 14,300 | 11,200 |
| NSK | NSK 6911-C3 | 14,300 | 11,200 |
| NTN | NTN 6911-C3 | 14,300 | 11,200 |
Available Variants
The SKF 6911 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the SKF 6911-C3?
The SKF 6911-C3 has a bore diameter of 55mm, outside diameter of 80mm, and width of 13mm. It weighs 0.130kg.
What is the load capacity of the SKF 6911-C3?
The dynamic load rating (Cr) is 14,300 N and the static load rating (C₀r) is 11,200 N. The maximum recommended speed is 8,000 rpm with grease lubrication or 11,000 rpm with oil lubrication.
What bearings are equivalent to SKF 6911-C3?
The 6911-C3 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 55×80×13mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.