6406, 6406N, 6406Z, 6406ZZ, 6406-RZ, 6406-2RZ, 6406RS, 6406-2RS deep groove ball bearing Basic Information Structure : Deep Groove Type Ball Model Number: 6406 Number of Row: Single row deep groove ball bearing or double row deep groove ball bearing Material: iron,Gcr11, Gcr15 Similar type: 6406, 6406N, 6406Z, 6406ZZ, 6406-RZ, 6406-2RZ, 6406RS, 6406-2RS Quality standard: ISO 9001:2000 Service: OEM service accepted