Please see my auction
CF Moto 500CC wheel bearing inner diameter - 30 mm
outer diameter - 55 mm
sleeve length - 32 mm
Example application,
Yamaha YFM660 Grizzly 03-07, YFM700 Grizzly 07, Yamaha YFM400 Kodiak (4WD) 05 -06, YFM450 Grizzly, CFMOTO 500/520