NSK 638 Miniature bearing
Also known as : 638
- Inside Diameter: 8 mm
- Outside Diameter: 28 mm
- Width: 9 mm
- Basic dynamic load rating: 4.55 kN
- Basic static load rating: 1.97 kN
NSK 638
NSK 638 details
| NSK number | 638 |
|---|---|
| Type | Miniature ball bearings, Open type |
| d | 8.0 mm |
| D | 28 mm |
| B | 9.0 mm |
| rmin. | 0.30 mm |
| Cr | 4550 N |
| C0r | 1970 N |
| Limiting speeds | 28000 min-1 (Grease) |
| Limiting speeds | 34000 min-1 (Oil) |
| da | 10.0 mm |
| Da | 26.0 mm |
| ra | 0.30 mm |
| Mass | 28.30 g (approx.) |
