SKF 6408 Bearing — Specifications, Dimensions & Cross-Reference
The SKF 6408 is a deep groove ball bearing manufactured by SKF. It belongs to the 6400 series and features dimensions of 40 × 110 × 27 mm (bore × OD × width). This bearing has a dynamic load rating of 63,700 N and a static load rating of 34,000 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 40 mm |
| Outside Diameter (D) | 110 mm |
| Width (B) | 27 mm |
| Weight | 1.15 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 63,700 N |
| Static Load Rating (C₀r) | 34,000 N |
| Limiting Speed (Grease) | 6,300 rpm |
| Limiting Speed (Oil) | 8,000 rpm |
Brand Cross-Reference — 6408 Equivalents
The following bearings from other manufacturers are interchangeable with the SKF 6408. All share identical dimensions (40×110×27mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| SKF | SKF 6408 ✦ | 63,700 | 34,000 |
| Timken | Timken 6408 | 63,700 | 34,000 |
| SKF | SKF 6408 | 63,700 | 34,000 |
| NTN | NTN 6408 | 63,700 | 34,000 |
| NACHI | NACHI 6408 | 63,700 | 34,000 |
| KOYO | KOYO 6408 | 63,700 | 34,000 |
| FAG | FAG 6408 | 63,700 | 34,000 |
| Timken | Timken 6408 | 63,700 | 34,000 |
| NSK | NSK 6408 | 63,700 | 34,000 |
| NTN | NTN 6408 | 63,700 | 34,000 |
Available Variants
The SKF 6408 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the SKF 6408?
The SKF 6408 has a bore diameter of 40mm, outside diameter of 110mm, and width of 27mm. It weighs 1.15kg.
What is the load capacity of the SKF 6408?
The dynamic load rating (Cr) is 63,700 N and the static load rating (C₀r) is 34,000 N. The maximum recommended speed is 6,300 rpm with grease lubrication or 8,000 rpm with oil lubrication.
What bearings are equivalent to SKF 6408?
The 6408 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 40×110×27mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.