Deep groove ball bearing 6308, 6308RS, 6308-2RS, 6308N, 6308Z, 6308ZZ, 6308-RZ, 6308-2RZ Basic Information Structure : Deep Groove Type Ball Model Number: 6308 Brand : ATM Precision Rating: P0 P6 P5  Weight:0.639 Kg Clearance: C2 C3 C4 C5 Number of Row: Single row deep groove ball bearing or double row deep groove ball bearing Material: iron,Gcr11, Gcr15 Similar type: 6308, 6308N, 6308Z, 6308ZZ, 6308-RZ, 6308-2RZ, 6308RS, 6308-2RS