... permits precision tolerance, even at high-speed operation. · Ball bearings available materials : Carbon, Chrome & Stainless Steel ... ) & Metric Sizes · Applications: Wheel, inline skate, roller hockey, cnc routers, skateboard, rollerblades, fishing reels, slotcars, atv, ... For example,deep groove ball bearing, thrust ball bearing, angle contact ball bearing, self-aligning ball bearing, spherical roller ...