SKF
SKF D/W R4 R-2Z Deep Groove Ball Bearings
Product Code:D/W R4 R-2Z
Description
Technical specificationMetricImperialDIMENSIONSd6.35 mmD15.875 mmB4.978 mmd2? 8.4 mmD2? 13.8 mmD317.526 mmC1.067 mmr1,2min. 0.3 mmABUTMENT DIMENSIONSdamin. 8 mmdamax. 8.3 mmramax. 0.3 mmCALCULATION DATABasic dynamic load ratingC0.852 kNBasic static load ratingC00.315 kNFatigue load limitPu0.014 kNReference speed95000 r/minLimiting speed48000 r/minCalculation factorkr0.02Calculation factorf07.1MASSMass bearing0.0046 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 6.35 mm | |
|---|---|---|
| D | 15.875 mm | |
| B | 4.978 mm | |
| d2 | ? 8.4 mm | |
| D2 | ? 13.8 mm | |
| D3 | 17.526 mm | |
| C | 1.067 mm | |
| r1,2 | min. 0.3 mm |
ABUTMENT DIMENSIONS
| da | min. 8 mm | |
|---|---|---|
| da | max. 8.3 mm | |
| ra | max. 0.3 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.852 kN |
|---|---|---|
| Basic static load rating | C0 | 0.315 kN |
| Fatigue load limit | Pu | 0.014 kN |
| Reference speed | 95000 r/min | |
| Limiting speed | 48000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 7.1 |
MASS
| Mass bearing | 0.0046 kg |
|---|