SKF
SKF D/W R155-2ZS Deep Groove Ball Bearing
Product Code:D/W R155-2ZS
Description
Technical specification MetricImperial DIMENSIONS d 3.967 mmD 7.938 mmB 3.175 mmd1? 5.53 mmD2? 7.3 mmr1,2min. 0.1 mm ABUTMENT DIMENSIONS damin. 4.8 mmdamax. 5.4 mmDamax. 7.4 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 70000 r/minCalculation factorkr 0.02Calculation factorf0 7.6 MASS Mass bearing 0.000611 kg
Technical Specifications
Technical specification 
DIMENSIONS
| d | 3.967 mm | |
|---|---|---|
| D | 7.938 mm | |
| B | 3.175 mm | |
| d1 | ? 5.53 mm | |
| D2 | ? 7.3 mm | |
| r1,2 | min. 0.1 mm |
ABUTMENT DIMENSIONS
| da | min. 4.8 mm | |
|---|---|---|
| da | max. 5.4 mm | |
| Da | max. 7.4 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 | 70000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 7.6 |
MASS
| Mass bearing | 0.000611 kg |
|---|