SKF 6191 Bearing — Specifications, Dimensions & Cross-Reference
The SKF 6191 is a deep groove ball bearing manufactured by SKF. It belongs to the 619 series and features dimensions of 12 × 28 × 8 mm (bore × OD × width). This bearing has a dynamic load rating of 5,070 N and a static load rating of 2,240 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 12 mm |
| Outside Diameter (D) | 28 mm |
| Width (B) | 8 mm |
| Weight | 0.021 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 5,070 N |
| Static Load Rating (C₀r) | 2,240 N |
| Limiting Speed (Grease) | 26,000 rpm |
| Limiting Speed (Oil) | 30,000 rpm |
Brand Cross-Reference — 6191 Equivalents
The following bearings from other manufacturers are interchangeable with the SKF 6191. All share identical dimensions (12×28×8mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| SKF | SKF 6191 ✦ | 5,070 | 2,240 |
| Timken | Timken 6191 | 5,070 | 2,240 |
| SKF | SKF 6191 | 5,070 | 2,240 |
| NTN | NTN 6191 | 5,070 | 2,240 |
| NACHI | NACHI 6191 | 5,070 | 2,240 |
| KOYO | KOYO 6191 | 5,070 | 2,240 |
| Timken | Timken 6191 | 5,070 | 2,240 |
| FAG | FAG 6191 | 5,070 | 2,240 |
| NSK | NSK 6191 | 5,070 | 2,240 |
| NTN | NTN 6191 | 5,070 | 2,240 |
Available Variants
The SKF 6191 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the SKF 6191?
The SKF 6191 has a bore diameter of 12mm, outside diameter of 28mm, and width of 8mm. It weighs 0.021kg.
What is the load capacity of the SKF 6191?
The dynamic load rating (Cr) is 5,070 N and the static load rating (C₀r) is 2,240 N. The maximum recommended speed is 26,000 rpm with grease lubrication or 30,000 rpm with oil lubrication.
What bearings are equivalent to SKF 6191?
The 6191 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 12×28×8mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.