... precision tolerance, even at high-speed operation. · Ball bearings available materials : Carbon, Chrome & Stainless Steel. Even ... , inline skate, roller hockey, cnc routers, skateboard, rollerblades, fishing reels, slotcars, atv, quad skate, dental handpiece, bicycles, rc cars and trucks ... , joint bearing(Rod end bearing), oil bearing, wheel bearings.And the brands include NSK, SKF, IKO, KOYO, NACHI ...