SKF W 639/2.5 R-2ZS Deep Groove Ball Bearings
BRAND : SKF
Technical specification
Details
Technical specification
DIMENSIONS
| d | 2.5 mm | |
|---|---|---|
| D | 7 mm | |
| B | 3.5 mm | |
| d1 | ? 3.85 mm | |
| D2 | ? 6.2 mm | |
| D3 | 8.5 mm | |
| C | 0.9 mm | |
| r1,2 | min. 0.15 mm |
ABUTMENT DIMENSIONS
| da | min. 3.7 mm | |
|---|---|---|
| da | max. 3.8 mm | |
| ra | max. 0.15 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.221 kN |
|---|---|---|
| Basic static load rating | C0 | 0.067 kN |
| Fatigue load limit | Pu | 0.003 kN |
| Reference speed | 160000 r/min | |
| Limiting speed | 80000 r/min | |
| Calculation factor | kr | 0.025 |
| Calculation factor | f0 | 6.6 |
MASS
| Mass bearing | 0.000712 kg |
|---|
