1)High tempreture , high speed ,long life 2)High quality and reasonable price 3)ISO9001:2000 4)Great production capability Insert Ball BearingsInsert Ball Bearings are designed in almost the same way as deep groove ball bearings, except that the outer ring is spherical. Their design allows the bearings to be easily mounted in a housing block and be self-aligning.Features : 1) The insert bearings ...