... steel or Carbon steel 2. Brand: TINMY 3. High quality with very smooth feeling, quality standard: ISO9001:20084 ... windage code: C0,C2,C3,C4,C5 6. Precision Grades: P0,P6,P5,P4,P2(ABEC1,ABEC3, ... ~32322 Double Row Tapered Roller Bearings for Automobile Needle Roller Bearings Spherical Roller bearings Cylindrical Roller Bearings and also inch series ... 2000 quality control system. Axle Tapered Roller Bearing