bearing 1.matrial:GCR15,plastic, 2.ISO 9001 3.standard bearings, 4.non-standard bearings(ot order) Plastic bearing,supply various sizes of non-standard bearing according to the customer's drawing or sampleMaterial: srface part is made from plasticBearing Dimension15*32*9mmMaterialGcr15Tolerance GradesP0(ABEC-1),P6(ABEC-3),P5(ABEC-5)Clearance GradesC2,CN(C0),C3,C4Noise GradesZ1,Z2,Z3,Z4Vibration ...