December 2001
SKF offers a wide range of hybrid bearings to eliminate premature bearing failure caused by electric arc bearing damage. Hybrid bearings have rings of bearing steel and rolling elements of bearing grade silicon nitride (Si3N4). Because silicon nitride has high restivity, hybrid bearings provide insulation from electric currents in both AC and DC motors.
Hybrid bearings have a higher speed capacity and will provide longer service life than all-steel bearings in most appliances.
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