SKF W 639/2 R-2Z Deep Groove Ball Bearings
BRAND : SKF
Technical specification
Details
Technical specification
DIMENSIONS
| d | 2 mm | |
|---|---|---|
| D | 6 mm | |
| B | 3 mm | |
| d1 | ? 3 mm | |
| D2 | ? 5.4 mm | |
| D3 | 7.5 mm | |
| C | 0.8 mm | |
| r1,2 | min. 0.15 mm |
ABUTMENT DIMENSIONS
| da | min. 2.9 mm | |
|---|---|---|
| da | max. 2.9 mm | |
| ra | max. 0.15 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.19 kN |
|---|---|---|
| Basic static load rating | C0 | 0.051 kN |
| Fatigue load limit | Pu | 0.002 kN |
| Reference speed | 180000 r/min | |
| Limiting speed | 90000 r/min | |
| Calculation factor | kr | 0.025 |
| Calculation factor | f0 | 6 |
MASS
| Mass bearing | 0.000408 kg |
|---|
