SKF
SKF D/W R4A Deep Groove Ball Bearings
Product Code:D/W R4A
Description
Technical specificationMetricImperialDIMENSIONSd6.35 mmD19.05 mmB5.558 mmd1? 10.12 mmD1? 15.02 mmr1,2min. 0.4 mmABUTMENT DIMENSIONSdamin. 8.9 mmDamax. 16.5 mmramax. 0.4 mmCALCULATION DATABasic dynamic load ratingC1.53 kNBasic static load ratingC00.585 kNFatigue load limitPu0.025 kNReference speed80000 r/minLimiting speed50000 r/minCalculation factorkr0.025Calculation factorf07.9MASSMass bearing0.0073 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 6.35 mm | |
|---|---|---|
| D | 19.05 mm | |
| B | 5.558 mm | |
| d1 | ? 10.12 mm | |
| D1 | ? 15.02 mm | |
| r1,2 | min. 0.4 mm |
ABUTMENT DIMENSIONS
| da | min. 8.9 mm | |
|---|---|---|
| Da | max. 16.5 mm | |
| ra | max. 0.4 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 1.53 kN |
|---|---|---|
| Basic static load rating | C0 | 0.585 kN |
| Fatigue load limit | Pu | 0.025 kN |
| Reference speed | 80000 r/min | |
| Limiting speed | 50000 r/min | |
| Calculation factor | kr | 0.025 |
| Calculation factor | f0 | 7.9 |
MASS
| Mass bearing | 0.0073 kg |
|---|