SKF
SKF D/W R156-2ZS Deep Groove Ball Bearings
Product Code:D/W R156-2ZS
Description
Technical specificationMetricImperialDIMENSIONSd4.762 mmD7.938 mmB3.175 mmd1? 5.53 mmD2? 7.3 mmr1,2min. 0.1 mmABUTMENT DIMENSIONSdamin. 5.4 mmdamax. 5.4 mmDamax. 7.4 mmramax. 0.1 mmCALCULATION DATABasic dynamic load ratingC0.203 kNBasic static load ratingC00.075 kNFatigue load limitPu0.003 kNReference speed140000 r/minLimiting speed70000 r/minCalculation factorkr0.015Calculation factorf07.6MASSMass bearing0.000411 kg
Technical Specifications
Technical specification
DIMENSIONS
| d | 4.762 mm | |
|---|---|---|
| D | 7.938 mm | |
| B | 3.175 mm | |
| d1 | ? 5.53 mm | |
| D2 | ? 7.3 mm | |
| r1,2 | min. 0.1 mm |
ABUTMENT DIMENSIONS
| da | min. 5.4 mm | |
|---|---|---|
| da | max. 5.4 mm | |
| Da | max. 7.4 mm | |
| ra | max. 0.1 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 0.203 kN |
|---|---|---|
| Basic static load rating | C0 | 0.075 kN |
| Fatigue load limit | Pu | 0.003 kN |
| Reference speed | 140000 r/min | |
| Limiting speed | 70000 r/min | |
| Calculation factor | kr | 0.015 |
| Calculation factor | f0 | 7.6 |
MASS
| Mass bearing | 0.000411 kg |
|---|