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. ExhaustHonda TRX250R Big Bore Pipe 350G LED 350G pipe. For use with motor sizes of 330-390 Best for dunes, ice racing, TT, and MX. Price is for the pipe only. ATC250RExhaust ATC250R Small Bore Exhaust LED ATC250R pipe. For 85-86 Honda ATC250R. For engine sizes 250-310. Best for dunes, MX, flat track, and play riding. Raw finish ATC250RHonda ATC250R Stainless Steel Intake For ATC250R only.