... -China, (AISI) 52100-USA, (DIN) 100CR6-Germany3. Retainer: J, K, M, MA, MB, k,4. Clearance: CN, C2, C3, C4, C55. Precision level ... , deceleration devices, and material handling machinery and various types of industrial machinery.7. Packing: individual box single plastic bag, cartons and ...