Bearing series: 1200-1221, 1300-1321, 2200-2221, 2300-2321, suffixes with "K" (taper bore), combined unit with "H" (adapter sleeves) e. G. 1205KH steel cage or nylon cage Widely used for the electrical household, electrical tools and machines Material: Chrome steel carton steel Quality can reach to ABEC 1 ABEC3, Normal Class 6, P0- P6. Add to Basket