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Electric motors, generators and associated equipment are at risk when an electric current passes through their bearings. This can damage the contact surfaces of rolling elements and raceways in the bearings (electrical erosion) and rapidly degrade the grease. An additional risk in electric motors and generators comes from high frequency currents caused by the inherent stray capacitance. The risk of damage increases where the application uses a frequency converter.
Contact usINSOCOAT bearings are designed to prevent electric current from passing through the bearing. The external surfaces of either their inner or outer ring are coated with an insulating aluminium oxide layer, by applying a sophisticated plasma-spray process for an outstanding quality finish. The solutions are very cost-effective compared with other insulation methods.
| Designation | Principal dimensions | Basic load ratings | Speed ratings | ||||
| dynamic | static | Reference speed | Limiting speed | ||||
| d(mm) | D(mm) | B(mm) | C(kN) | C0(kN） | （r/min) | (r/min) | |
| 6314 M/C3VL0241 | 70 | 150 | 35 | 104 | 68 | 9 500 | 9 000 |
| 6314 M/C4VL0241 | 70 | 150 | 35 | 104 | 68 | 9 500 | 9 000 |
| 6314/C3VL0241 | 70 | 150 | 35 | 111 | 68 | 9 500 | 6 300 |
| 6215/C3VL0241 | 75 | 130 | 25 | 68.9 | 49 | 10 000 | 6 700 |
| 6315 M/C3VL0241 | 75 | 160 | 37 | 119 | 76.5 | 9 000 | 8 000 |
| 6315-Z/C3VL0241 | 75 | 160 | 37 | 119 | 76.5 | 9 000 | 5 600 |
| 6315/C3VL0241 | 75 | 160 | 37 | 119 | 76.5 | 9 000 | 5 600 |
| 6216/C3VL0241 | 80 | 140 | 26 | 72.8 | 55 | 9 500 | 6 000 |
| 6316 M/C3VL0241 | 80 | 170 | 39 | 130 | 86.5 | 8 500 | 7 500 |
| 6316/C3VL0241 | 80 | 170 | 39 | 130 | 86.5 | 8 500 | 5 300 |
| 6217/C3VL0241 | 85 | 150 | 28 | 87.1 | 64 | 9 000 | 5 600 |
| 6317 M/C3VL0241 | 85 | 180 | 41 | 140 | 96.5 | 8 000 | 7 500 |
| 6317/C3VL0241 | 85 | 180 | 41 | 140 | 96.5 | 8 000 | 5 000 |
| 6218/C3VL0241 | 90 | 160 | 30 | 101 | 73.5 | 8 500 | 5 300 |
| 6318 M/C3VL0241 | 90 | 190 | 43 | 151 | 108 | 7 500 | 7 000 |
| 6318/C3VL0241 | 90 | 190 | 43 | 151 | 108 | 7 500 | 4 800 |
| 6219 M/C3VL0241 | 95 | 170 | 32 | 114 | 81.5 | 8 000 | 7 500 |
| 6219/C3VL0241 | 95 | 170 | 32 | 114 | 81.5 | 8 000 | 5 000 |
| 6319 M/C3VL0241 | 95 | 200 | 45 | 159 | 118 | 7 000 | 6 300 |
| 6319/C3VL0241 | 95 | 200 | 45 | 159 | 118 | 7 000 | 4 500 |
| 6220/C3VL0241 | 100 | 180 | 34 | 127 | 93 | 7 500 | 4 800 |
| 6320 M/C3VL0241 | 100 | 215 | 47 | 182 | 140 | 6 700 | 6 000 |
| 6320/C3VL0241 | 100 | 215 | 47 | 182 | 140 | 6 700 | 4 300 |
| 6222 M/C3VL0241 | 110 | 200 | 38 | 151 | 118 | 6 700 | 6 300 |
| 6222/C3VL0241 | 110 | 200 | 38 | 151 | 118 | 6 700 | 4 300 |
| 6322 M/C3VL0241 | 110 | 240 | 50 | 216 | 180 | 6 000 | 5 300 |
| 6322/C3VL0241 | 110 | 240 | 50 | 216 | 180 | 6 000 | 3 800 |
| 6224/C3VL0241 | 120 | 215 | 40 | 153 | 118 | 6 300 | 4 000 |
| 6324/C3VL2071 | 120 | 260 | 55 | 216 | 186 | 5 600 | 3 400 |
| 6226/C3VL2071 | 130 | 230 | 40 | 156 | 132 | 5 600 | 3 600 |
| 6322/C3VL0241 | 110 | 240 | 50 | 216 | 180 | 6 000 | 3 800 |
| 6324/C3VL2071 | 120 | 260 | 55 | 216 | 186 | 5 600 | 3 400 |
| 6326/C3VL2071 | 130 | 280 | 58 | 229 | 216 | 5 000 | 3 200 |
| 6328 M/C3VL2071 | 140 | 300 | 62 | 265 | 245 | 4 800 | 4 300 |
| 6328/C3VL2071 | 140 | 300 | 62 | 265 | 245 | 4 800 | 3 000 |
| 6330/C3VL2071 | 150 | 320 | 65 | 286 | 285 | 4 300 | 2 800 |
| 6332 M/C3VL2071 | 160 | 340 | 68 | 291 | 285 | 4 000 | 3 800 |
