SKF
SKF D/W R144 Deep Groove Ball Bearings
Product Code:D/W R144
Description
Technical specificationMetricImperialDIMENSIONSd3.175 mmD6.35 mmB2.38 mmd1? 3.93 mmD1? 5.38 mmr1,2min. 0.1 mmABUTMENT DIMENSIONSdamin. 3.8 mmDamax. 5.5 mmramax. 0.1 mmCALCULATION DATABasic dynamic load ratingC0.163 kNBasic static load ratingC00.048 kNFatigue load limitPu0.002 kNReference speed170000 r/minLimiting speed100000 r/minCalculation factorkr0.02Calculation factorf07MASSMass bearing0.0003 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 3.175 mm | |
|---|---|---|
| D | 6.35 mm | |
| B | 2.38 mm | |
| d1 | ? 3.93 mm | |
| D1 | ? 5.38 mm | |
| r1,2 | min. 0.1 mm |
ABUTMENT DIMENSIONS
| da | min. 3.8 mm | |
|---|---|---|
| Da | max. 5.5 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 | 100000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 7 |
MASS
| Mass bearing | 0.0003 kg |
|---|