93306-00444-00 & 93306-00446-00 for Yamaha Snowmobile Idler Wheel Bearing Our Bearing Kits include all you will need to replace your old wheel bearings.offers high quality wheel bearings for all the top brands in the world. This bearing replaces: for Yamaha 93306-00444-00 & 93306-00446-00 This bearing fits many for Yamaha snowmobile idler wheels. Please check your application to make sure of fitment. This bearing has an inner diameter of 20mm an outer diameter of 42mm and a width of 12mm It comes pre-lubricated and has rubber seals on each side of the bearing.