Schumacher Cougar 2WD Laydown Buggy Ceramic Sealed Bearing Kit Tep3206 (2) 10X15X4 (2) 4X8X3 (2) 5X9X3 (5) 5X10X4 (1) 6X12X4 (1) 5X8X2.5 (2) 5X10X4 FLANGED Fits Cougar 2WD Buggy Zero Grease Bearings come assembled with a light weight synthetic oil Provides better precision, efficiency, and greater speed capabilities *Please note, all our SS Ceramic Bearings come assembled with a light weight synthetic oil. They do not need to be cleaned or broken in before use like bearings assembled with grease. To maintain apply 1-2 drops of a performance ball bearing - PERPETUAL MOTION TEP5010