SKF
SKF W 638/1.5-2Z Deep Groove Ball Bearings
Product Code:W 638/1.5-2Z
Description
Technical specificationMetricImperialDIMENSIONSd1.5 mmD4 mmB2 mmd1? 2.15 mmD2? 3.5 mmr1,2min. 0.05 mmABUTMENT DIMENSIONSdamin. 1.9 mmdamax. 2.1 mmDamax. 3.6 mmramax. 0.05 mmCALCULATION DATABasic dynamic load ratingC0.062 kNBasic static load ratingC00.016 kNFatigue load limitPu0.001 kNReference speed220000 r/minLimiting speed110000 r/minCalculation factorkr0.02Calculation factorf06.4MASSMass bearing0.000102 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 1.5 mm | |
|---|---|---|
| D | 4 mm | |
| B | 2 mm | |
| d1 | ? 2.15 mm | |
| D2 | ? 3.5 mm | |
| r1,2 | min. 0.05 mm |
ABUTMENT DIMENSIONS
| da | min. 1.9 mm | |
|---|---|---|
| da | max. 2.1 mm | |
| Da | max. 3.6 mm | |
| ra | max. 0.05 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.062 kN |
|---|---|---|
| Basic static load rating | C0 | 0.016 kN |
| Fatigue load limit | Pu | 0.001 kN |
| Reference speed | 220000 r/min | |
| Limiting speed | 110000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 6.4 |
MASS
| Mass bearing | 0.000102 kg |
|---|