Home / Honda / TRX250R / Engine / CR500 Main Bearing CR500 Main Bearing$29.95 CR500 8 ball main bearing. CR500 Main Bearing quantity Add to cart Categories: Engine, Honda, TRX250R Description Description CR500 8 ball main bearing. Related products ExhaustHonda TRX250R LED Big Bore Silencer Round Small Body For motor sizes 330-430. Round muffler small body. For use with LED 350G, 350D, and Puma exhaust. HondaTransmission & Clutch Hinson Works Clutch Basket for TRX250R For TRX250R ExhaustHonda TRX250R Small Bore Silencer Round Big Body For use with LED 250C pipe. For engine sizes 250-310. Round muffler big body. ExhaustHonda TRX250R Small Bore Silencer Round Small Body For use with LED 250C pipe. For engine sizes 250-310. Round muffler small body.