SKF 638/8-2Z Deep Groove Ball Bearings
BRAND : SKF
Technical specification
Details
Technical specification
DIMENSIONS
| d | 8 mm | |
|---|---|---|
| D | 16 mm | |
| B | 6 mm | |
| d2 | ? 9.65 mm | |
| D2 | ? 14.2 mm | |
| r1,2 | min. 0.2 mm |
ABUTMENT DIMENSIONS
| da | min. 9.4 mm | |
|---|---|---|
| da | max. 9.5 mm | |
| Da | max. 14.6 mm | |
| ra | max. 0.2 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.819 kN |
|---|---|---|
| Basic static load rating | C0 | 0.3 kN |
| Fatigue load limit | Pu | 0.012 kN |
| Reference speed | 90000 r/min | |
| Limiting speed | 45000 r/min | |
| Calculation factor | kr | 0.015 |
| Calculation factor | f0 | 7.5 |
MASS
| Mass bearing | 0.0043 kg |
|---|
