Rolling bearings in electric motors, generators or associated equipment are at risk from the passage of electric current, which can damage the surfaces of rolling elements and raceways in the bearing and degrade the grease rapidly. The risk of damage, so called electric erosion, increases greatly if a frequency converter controls the electrical machinery, which is becoming increasingly common. An additional risk for high frequency bearing currents occurs in the application due to the inherent stray capacitances within the electrical machinery.
Rolling bearings in electric motors, generators or associated equipment are at risk from the passage of electric current, which can damage the surfaces of rolling elements and raceways in the bearing and degrade the grease rapidly. The risk of damage, so called electric erosion, increases greatly if a frequency converter controls the electrical machinery, which is becoming increasingly common. An additional risk for high frequency bearing currents occurs in the application due to the inherent stray capacitances within the electrical machinery.
| SKF/Global | SKF/North America | |
|---|---|---|
| Product Category | Roller Bearings | Roller Bearings |
| Product Number | 1409230317 | 1409230317 |
| Product Name | Cylindrical Roller Bearings, Single Row, INSOCOAT - NU 317 ECM/C3VL0241 | Cylindrical Roller Bearings, Single Row, INSOCOAT - NU 317 ECM/C3VL0241 |
| Rolling Element | Steel | Steel |
| Type | Cylindrical Roller | Cylindrical Roller |
| Design Units | Metric | Metric |
| Bore | 3.3465 inch (85.000 mm) | 3.3465 inch (85.000 mm) |
| Outside Diameter | 7.0866 inch (180.000 mm) | 7.0866 inch (180.000 mm) |
