SKF
SKF W 618/4 Deep Groove Ball Bearing
Product Code:W 618/4
Description
Technical specification MetricImperial DIMENSIONS d 4 mmD 9 mmB 2.5 mmd1? 5.2 mmD1? 7.5 mmr1,2min. 0.1 mm ABUTMENT DIMENSIONS damin. 4.8 mmDamax. 8.2 mmramax. 0.1 mm CALCULATION DATA Basic dynamic load ratingC 0.364 kNBasic static load ratingC0 0.114 kNFatigue load limitPu 0.005 kNReference speed 140000 r/minLimiting speed 85000 r/minCalculation factorkr 0.02Calculation factorf0 6.5 MASS Mass bearing 0.0006 kg
Technical Specifications
Technical specification 
DIMENSIONS
| d | 4 mm | |
|---|---|---|
| D | 9 mm | |
| B | 2.5 mm | |
| d1 | ? 5.2 mm | |
| D1 | ? 7.5 mm | |
| r1,2 | min. 0.1 mm |
ABUTMENT DIMENSIONS
| da | min. 4.8 mm | |
|---|---|---|
| Da | max. 8.2 mm | |
| ra | max. 0.1 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.364 kN |
|---|---|---|
| Basic static load rating | C0 | 0.114 kN |
| Fatigue load limit | Pu | 0.005 kN |
| Reference speed | 140000 r/min | |
| Limiting speed | 85000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 6.5 |
MASS
| Mass bearing | 0.0006 kg |
|---|