Rotary 7780. REPLACEMENT WHEEL BEARING KIT FOR OUR BOBCAT, GRASSHOPPER & SCAG WHEEL ASSEMBLY #3276. KIT COMES WITH (2) #481 HIGH SPEED 5/8" BEARINGS, (2) #7779 21/32" X 1-1/8" WASHER & (1) #7262 5/8" OD X 4-1/16" BUSHING.