693 Hybrid Ceramic Bearings (3X8X4) Shields against electrical erosion from variable frequency drives Increases maximum operating speeds by up to 20% over all-steel counterparts Reduce friction by up to half Hybrid ceramic bearings can withstand poor lubrication conditions Can extend grease service life by up to eight times, In stock items will typically ship in 7 to 10 working days. Large quantity discounts available.
