
Electrically Insulated Bearings
Electrically insulated bearings protect motors and generators from damaging current passage. A precision insulating coating up to 100 μm withstands voltages up to 1000 V DC while maintaining standard bearing dimensions and performance.
144 Results
| Model number | Basic size | Basic load rating | Rated speed | ||||
|---|---|---|---|---|---|---|---|
| Dynamic state | Static | Reference speed | Limiting speed | ||||
| d [mm] | D [mm] | B [mm] | C [kN] | C₀ [kN] | [r/min] | [r/min] | |
| NU220EM/C3/VL0241 | 12 | 37 | 12 | 9.72 | 5.08 | 22000 | 17000 |
| NU222EM/C3/VL0241 | 17 | 45 | 13 | 11.86 | 6.58 | 20000 | 15500 |
| 6316/C3VL0241 | 22 | 53 | 14 | 14 | 8.08 | 18000 | 14000 |
| 6218/C3VL0241 | 27 | 61 | 15 | 16.14 | 9.58 | 16000 | 12500 |
Electrically Insulated Bearing Solutions

Ceramic bearings

Electrically insulated cylindrical roller bearings

Electrically insulated angular contact bearings

Electrically insulated deep groove bearings
Insulated cylindrical roller, angular contact and deep groove bearings prevent electrical erosion, lubricant degradation and premature failure. Ceramic rolling elements provide an additional high-performance option for demanding electrical applications.
Characteristics and advantages
High load capacity, dependable running accuracy, low friction and long service life. BNJ supplies standard and customized bearing solutions for demanding industrial applications.
Application
Widely used in industrial machinery, automotive systems, steel and metal processing, mining, construction, wind energy, railway transportation and automated equipment.
FAQ
Contact our bearing specialists with the model, dimensions, operating speed and load conditions. We will help confirm the appropriate clearance, sealing, cage, lubrication and installation method.