SKF
SKF D/W R144-2Z Deep Groove Ball Bearing
Product Code:D/W R144-2Z
Description
Technical specification MetricImperial DIMENSIONS d 3.175 mmD 6.35 mmB 2.779 mmd1? 3.93 mmD2? 5.9 mmr1,2min. 0.1 mm ABUTMENT DIMENSIONS damin. 3.8 mmdamax. 3.8 mmDamax. 6 mmramax. 0.1 mm CALCULATION DATA Basic dynamic load ratingC 0.163 kNBasic static load ratingC0 0.048 kNFatigue load limitPu 0.002 kNReference speed 170000 r/minLimiting speed 85000 r/minCalculation factorkr 0.02Calculation factorf0 7 MASS Mass bearing 0.000308 kg
Technical Specifications
Technical specification 
DIMENSIONS
| d | 3.175 mm | |
|---|---|---|
| D | 6.35 mm | |
| B | 2.779 mm | |
| d1 | ? 3.93 mm | |
| D2 | ? 5.9 mm | |
| r1,2 | min. 0.1 mm |
ABUTMENT DIMENSIONS
| da | min. 3.8 mm | |
|---|---|---|
| da | max. 3.8 mm | |
| Da | max. 6 mm | |
| ra | max. 0.1 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.163 kN |
|---|---|---|
| Basic static load rating | C0 | 0.048 kN |
| Fatigue load limit | Pu | 0.002 kN |
| Reference speed | 170000 r/min | |
| Limiting speed | 85000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 7 |
MASS
| Mass bearing | 0.000308 kg |
|---|