SKF
SKF W 637/8-2Z Deep Groove Ball Bearing
Product Code:W 637/8-2Z
Description
Technical specification MetricImperial DIMENSIONS d 8 mmD 12 mmB 3.5 mmd1? 9 mmD2? 11.31 mmr1,2min. 0.1 mm ABUTMENT DIMENSIONS damin. 8.6 mmdamax. 8.9 mmDamax. 11.5 mmramax. 0.1 mm CALCULATION DATA Basic dynamic load ratingC 0.312 kNBasic static load ratingC0 0.14 kNFatigue load limitPu 0.006 kNReference speed 100000 r/minLimiting speed 53000 r/minCalculation factorkr 0.02Calculation factorf0 8.2 MASS Mass bearing 0.001 kg
Technical Specifications
Technical specification 
DIMENSIONS
| d | 8 mm | |
|---|---|---|
| D | 12 mm | |
| B | 3.5 mm | |
| d1 | ? 9 mm | |
| D2 | ? 11.31 mm | |
| r1,2 | min. 0.1 mm |
ABUTMENT DIMENSIONS
| da | min. 8.6 mm | |
|---|---|---|
| da | max. 8.9 mm | |
| Da | max. 11.5 mm | |
| ra | max. 0.1 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.312 kN |
|---|---|---|
| Basic static load rating | C0 | 0.14 kN |
| Fatigue load limit | Pu | 0.006 kN |
| Reference speed | 100000 r/min | |
| Limiting speed | 53000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 8.2 |
MASS
| Mass bearing | 0.001 kg |
|---|