SKF W 639/3 R-2RS1 Deep Groove Ball Bearings
BRAND : SKF
Technical specification
Details
Technical specification
DIMENSIONS
| d | 3 mm | |
|---|---|---|
| D | 8 mm | |
| B | 4 mm | |
| d1 | ? 4.35 mm | |
| D2 | ? 7.25 mm | |
| D3 | 9.5 mm | |
| C | 0.9 mm | |
| r1,2 | min. 0.15 mm |
ABUTMENT DIMENSIONS
| da | min. 3.9 mm | |
|---|---|---|
| da | max. 4.3 mm | |
| ra | max. 0.15 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.319 kN |
|---|---|---|
| Basic static load rating | C0 | 0.09 kN |
| Fatigue load limit | Pu | 0.004 kN |
| Limiting speed | 43000 r/min | |
| Calculation factor | kr | 0.025 |
| Calculation factor | f0 | 6.1 |
MASS
| Mass bearing | 0.000922 kg |
|---|
