61906, 61906N, 61906Z, 61906ZZ, 61906-RZ, 61906-2RZ, 61906RS, 61906-2RS deep groove ball bearing  Structure : Deep Groove Type Ball Model Number: 61906 Brand : ATM Precision Rating: P0 P6 P5 Inner diameter : 30 mm±0.0001 mm Outer diameter:47 mm±0.0001 mm Width: 9 mm±0.0001 mm  Similar type: 61906, 61906N, 61906Z, 61906ZZ, 61906-RZ, 61906-2RZ, 61906RS, 61906-2RS Quality standard: ISO 9001:2000