Spherical plain bearing Marterial: Gcr15 Seal material: Rubber,Ferrum Noise: Z1,Z2,Z3 Vibration: V1,V2,V3 Spherical plain bearing Marterial: Gcr15Seal material: Rubber,FerrumNoise: Z1,Z2,Z3Vibration: V1,V2,V3Clearance: C2,C3,C4Bore diameter 6~60mm1) 16000 series: 16001, 16002, 16003, 16004, 16005, 160102) 60 series : 607, 608, 6000, 6000, 6001, 6002, 6003, 6004, 6005, 6006, 6007, ...