Schaeffler insulated bearings
Schaeffler has updated their range of current-insulated bearings. Superior performance records in terms of breakdown voltage and impedance, even in humid environments.
J20G Insutect A aluminium oxide coated bearings
J20G series replaces older J20A bearing range.
 J20GA | J20GB |  J20GI | |
|---|---|---|---|
| Coating | outer ring | outer ring | inner ring |
| Breakdown voltage (DC) | 3kV | 3kV | 3kV |
| Layer thickness | 120 μm | 200 μm | 120 μm |
| Ohmic resistance | 250 MΩ | 400 MΩ | 250 MΩ |
| Impedance (6314, f=100 kHz) | 273 Ω | 428 Ω | 583 Ω |
| Environment | dry, humid | dry, humid | dry, humid |
| Dimensions | Deep groove ball bearings and cylindrical roller bearings with outer diameter 70 mm – 800 mm | Deep groove ball bearings and cylindrical roller bearings with outer diameter 70 mm – 800 mm | Deep groove ball bearings and cylindrical roller bearings with outer diameter > 70 mm |
HC prefixed hybrid bearings with ceramic rolling elements
Isolated bearings with silicone nitride balls or rollers (available as deep groove ball bearings or cylindrical roller bearings)
- no electrical erosion
- up to 20% higher rotational speed
- lower operating temperature
More information can be found in catalogus. Ask our managers for additional information and product availability.
Schaeffler isolated bearings .pdf catalog
Infopage for Schaeffler Insutect A coated bearings