SKF
SKF D/W R188 R-2Z Deep Groove Ball Bearings
Product Code:D/W R188 R-2Z
Description
Technical specificationMetricImperialDIMENSIONSd6.35 mmD12.7 mmB4.762 mmd2? 7.4 mmD2? 11.6 mmD313.894 mmC1.143 mmr1,2min. 0.15 mmABUTMENT DIMENSIONSdamin. 7.2 mmdamax. 7.3 mmramax. 0.15 mmCALCULATION DATABasic dynamic load ratingC0.618 kNBasic static load ratingC00.224 kNFatigue load limitPu0.01 kNReference speed110000 r/minLimiting speed53000 r/minCalculation factorkr0.02Calculation factorf07MASSMass bearing0.0023 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 6.35 mm | |
|---|---|---|
| D | 12.7 mm | |
| B | 4.762 mm | |
| d2 | ? 7.4 mm | |
| D2 | ? 11.6 mm | |
| D3 | 13.894 mm | |
| C | 1.143 mm | |
| r1,2 | min. 0.15 mm |
ABUTMENT DIMENSIONS
| da | min. 7.2 mm | |
|---|---|---|
| da | max. 7.3 mm | |
| ra | max. 0.15 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.618 kN |
|---|---|---|
| Basic static load rating | C0 | 0.224 kN |
| Fatigue load limit | Pu | 0.01 kN |
| Reference speed | 110000 r/min | |
| Limiting speed | 53000 r/min | |
| Calculation factor | kr | 0.02 |
| Calculation factor | f0 | 7 |
MASS
| Mass bearing | 0.0023 kg |
|---|