TIMKEN 638 Miniature bearing
Also known as : 638
- Inside Diameter: 8 mm
- Outside Diameter: 28 mm
- Width: 9 mm
- Basic dynamic load rating: 4.6 kN
- Basic static load rating: 2 kN

TIMKEN 638
TIMKEN 638 details
| Bearing Number | 638 |
|---|---|
| Brand | TIMKEN |
| Type | Miniature ball bearings |
| Bore Size d | 8.000 mm |
| Features | Open |
| Weight | 0.0270 Kg |
| Outside Diameter D | 28.000 mm |
| Outside Ring Width B | 9.000 mm |
| Radius Rs min | 0.300 mm |
| Cr - Dynamic Load Rating | 4.6 kN |
| C0r - Static Load Rating | 2 kN |
| Grease Limiting Speed | 28000 rpm |
| Oil Limiting Speed | 33000 rpm |



