61908, 61908N, 61908Z, 61908ZZ, 61908-RZ, 61908-2RZ, 61908RS, 61908-2RS deep groove ball bearing Basic Information Structure : Deep Groove Type Ball Model Number: 61908  Number of Row: Single row deep groove ball bearing or double row deep groove ball bearing Material: iron,Gcr11, Gcr15 Similar type: 61908, 61908N, 61908Z, 61908ZZ, 61908-RZ, 61908-2RZ, 61908RS, 61908-2RS Quality standard: ISO 9001:2000 Service: