NUP type Inner ring has a brim and a brim on one side, outer ring has a brim on both sides Inner ring diameter (mm): 45 Outer ring diameter (mm): 85 Width (mm): 23 Accuracy grade: ISO 492 Dimensional accuracy Normal tolerance, rotational accuracy P6 grade Seal: Open类型 工作温度范围(℃):-40至+120(润滑剂不包含EP添加剂)