SKF
SKF W 638/1 Deep Groove Ball Bearings
Description
Technical specificationMetricImperialDIMENSIONSd1 mmD3 mmB1.5 mmd1? 1.55 mmD1? 2.46 mmr1,2min. 0.05 mmABUTMENT DIMENSIONSdamin. 1.4 mmDamax. 2.6 mmramax. 0.05 mmCALCULATION DATABasic dynamic load ratingC0.052 kNBasic static load ratingC00.012 kNFatigue load limitPu0.001 kNReference speed240000 r/minLimiting speed150000 r/minCalculation factorkr0.02Calculation factorf05.6MASSMass bearing0.00004 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 1 mm | |
|---|---|---|
| D | 3 mm | |
| B | 1.5 mm | |
| d1 | ? 1.55 mm | |
| D1 | ? 2.46 mm | |
| r1,2 | min. 0.05 mm |
ABUTMENT DIMENSIONS
| da | min. 1.4 mm | |
|---|---|---|
| Da | max. 2.6 mm | |
| ra | max. 0.05 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.052 kN |
|---|---|---|
| Basic static load rating | C0 | 0.012 kN |
| Fatigue load limit | Pu | 0.001 kN |
| Reference speed | 240000 r/min | |
| Limiting speed | 150000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 5.6 |
MASS
| Mass bearing | 0.00004 kg |
|---|