SKF
SKF D/W R155 Deep Groove Ball Bearing
Product Code:D/W R155
Description
Technical specification MetricImperial DIMENSIONS d 3.967 mmD 7.938 mmB 2.779 mmd1? 5.53 mmD1? 7 mmr1,2min. 0.1 mm ABUTMENT DIMENSIONS damin. 4.8 mmDamax. 7.1 mmramax. 0.1 mm CALCULATION DATA Basic dynamic load ratingC 0.203 kNBasic static load ratingC0 0.075 kNFatigue load limitPu 0.003 kNReference speed 140000 r/minLimiting speed 90000 r/minCalculation factorkr 0.02Calculation factorf0 7.6 MASS Mass bearing 0.0005 kg
Technical Specifications
Technical specification 
DIMENSIONS
| d | 3.967 mm | |
|---|---|---|
| D | 7.938 mm | |
| B | 2.779 mm | |
| d1 | ? 5.53 mm | |
| D1 | ? 7 mm | |
| r1,2 | min. 0.1 mm |
ABUTMENT DIMENSIONS
| da | min. 4.8 mm | |
|---|---|---|
| Da | max. 7.1 mm | |
| ra | max. 0.1 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.203 kN |
|---|---|---|
| Basic static load rating | C0 | 0.075 kN |
| Fatigue load limit | Pu | 0.003 kN |
| Reference speed | 140000 r/min | |
| Limiting speed | 90000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 7.6 |
MASS
| Mass bearing | 0.0005 kg |
|---|