SKF
SKF 638/5-2Z Deep Groove Ball Bearings
Product Code:638/5-2Z
Description
Technical specificationMetricImperialDIMENSIONSd5 mmD11 mmB5 mmd2? 6.2 mmD2? 9.9 mmr1,2min. 0.15 mmABUTMENT DIMENSIONSdamin. 5.9 mmdamax. 6.1 mmDamax. 10 mmramax. 0.15 mmCALCULATION DATABasic dynamic load ratingC0.403 kNBasic static load ratingC00.143 kNFatigue load limitPu0.006 kNReference speed120000 r/minLimiting speed60000 r/minCalculation factorkr0.02Calculation factorf07.1MASSMass bearing0.0018 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 5 mm | |
|---|---|---|
| D | 11 mm | |
| B | 5 mm | |
| d2 | ? 6.2 mm | |
| D2 | ? 9.9 mm | |
| r1,2 | min. 0.15 mm |
ABUTMENT DIMENSIONS
| da | min. 5.9 mm | |
|---|---|---|
| da | max. 6.1 mm | |
| Da | max. 10 mm | |
| ra | max. 0.15 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.403 kN |
|---|---|---|
| Basic static load rating | C0 | 0.143 kN |
| Fatigue load limit | Pu | 0.006 kN |
| Reference speed | 120000 r/min | |
| Limiting speed | 60000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 7.1 |
MASS
| Mass bearing | 0.0018 kg |
|---|