SKF
SKF WBB1-8704 R Deep Groove Ball Bearings
Product Code:WBB1-8704 R
Description
Technical specificationMetricImperialDIMENSIONSd3 mmD9 mmB2.5 mmd1? 4.86 mmD1? 7.2 mmD310.2 mmC0.6 mmr1,2min. 0.2 mmABUTMENT DIMENSIONSdamin. 3.8 mmramax. 0.2 mmCALCULATION DATABasic dynamic load ratingC0.325 kNBasic static load ratingC00.095 kNFatigue load limitPu0.004 kNReference speed140000 r/minLimiting speed90000 r/minCalculation factorkr0.03Calculation factorf06.4MASSMass bearing0.0008 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 3 mm | |
|---|---|---|
| D | 9 mm | |
| B | 2.5 mm | |
| d1 | ? 4.86 mm | |
| D1 | ? 7.2 mm | |
| D3 | 10.2 mm | |
| C | 0.6 mm | |
| r1,2 | min. 0.2 mm |
ABUTMENT DIMENSIONS
| da | min. 3.8 mm | |
|---|---|---|
| ra | max. 0.2 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.325 kN |
|---|---|---|
| Basic static load rating | C0 | 0.095 kN |
| Fatigue load limit | Pu | 0.004 kN |
| Reference speed | 140000 r/min | |
| Limiting speed | 90000 r/min | |
| Calculation factor | kr | 0.03 |
| Calculation factor | f0 | 6.4 |
MASS
| Mass bearing | 0.0008 kg |
|---|