SKF
SKF W 638/3-2RS1 Deep Groove Ball Bearing
Product Code:W 638/3-2RS1
Description
Technical specification MetricImperial DIMENSIONS d 3 mmD 7 mmB 3 mmd2? 3.85 mmD2? 6.35 mmr1,2min. 0.1 mm ABUTMENT DIMENSIONS damin. 3.7 mmdamax. 3.8 mmDamax. 6.5 mmramax. 0.1 mm CALCULATION DATA Basic dynamic load ratingC 0.178 kNBasic static load ratingC0 0.057 kNFatigue load limitPu 0.002 kNLimiting speed 45000 r/minCalculation factorkr 0.02Calculation factorf0 7.1 MASS Mass bearing 0.00041 kg
Technical Specifications
Technical specification 
DIMENSIONS
| d | 3 mm | |
|---|---|---|
| D | 7 mm | |
| B | 3 mm | |
| d2 | ? 3.85 mm | |
| D2 | ? 6.35 mm | |
| r1,2 | min. 0.1 mm |
ABUTMENT DIMENSIONS
| da | min. 3.7 mm | |
|---|---|---|
| da | max. 3.8 mm | |
| Da | max. 6.5 mm | |
| ra | max. 0.1 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.178 kN |
|---|---|---|
| Basic static load rating | C0 | 0.057 kN |
| Fatigue load limit | Pu | 0.002 kN |
| Limiting speed | 45000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 7.1 |
MASS
| Mass bearing | 0.00041 kg |
|---|