... American, (DIN)100Cr6-Germany; Stainless Steel, 2) Types Specialized: With ZZ, 2RS, OPEN available; Non-standard Bearing; 3) Radial ... structure, cylindrical bore and conical bore, retainers' material always with armor plate, synthetic resin and so on. The features ... The structure of self-aligning ball bearings include: With dust cup and with seal ring, these two kinds. While during assembling, ...