... units (including generation 2nd and 3rd), automotivegenerator bearings and various non-standard bearings. 1) Materal used: GCr15—China.(AISI)52100—American,(Din ... : ABEC1, ABEC3, ABEC5,ABEC7.5) Files usd in; Motocycle, Motor, Pump, Fan, Are conditioner, Microwave Oven, Rangehood, sewing machine, massage chairs ...