SKF
SKF W 638/8-2Z Deep Groove Ball Bearings
Product Code:W 638/8-2Z
Description
Technical specificationMetricImperialDIMENSIONSd8 mmD16 mmB6 mmd2? 9.65 mmD2? 14.2 mmr1,2min. 0.2 mmABUTMENT DIMENSIONSdamin. 9.5 mmdamax. 9.6 mmDamax. 14.4 mmramax. 0.2 mmCALCULATION DATABasic dynamic load ratingC0.715 kNBasic static load ratingC00.3 kNFatigue load limitPu0.012 kNReference speed90000 r/minLimiting speed45000 r/minCalculation factorkr0.02Calculation factorf07.5MASSMass bearing0.0046 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 8 mm | |
|---|---|---|
| D | 16 mm | |
| B | 6 mm | |
| d2 | ? 9.65 mm | |
| D2 | ? 14.2 mm | |
| r1,2 | min. 0.2 mm |
ABUTMENT DIMENSIONS
| da | min. 9.5 mm | |
|---|---|---|
| da | max. 9.6 mm | |
| Da | max. 14.4 mm | |
| ra | max. 0.2 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.715 kN |
|---|---|---|
| Basic static load rating | C0 | 0.3 kN |
| Fatigue load limit | Pu | 0.012 kN |
| Reference speed | 90000 r/min | |
| Limiting speed | 45000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 7.5 |
MASS
| Mass bearing | 0.0046 kg |
|---|