(1) 微型轴承----公称外径尺寸范围为26mm以下的轴承;
(1) Miniature bearings - Bearings with nominal outer diameter of less than 26 mm;
(2) 小型轴承----公称外径尺寸范围为28-55mm的轴承;
(2) Small bearings - Bearings with nominal external diameter of 28-55mm;
(3) 中小型轴承----公称外径尺寸范围为60-115mm的轴承;
(3) Small and medium-sized bearings - Bearings with nominal external diameter ranging from 60 to 115 mm;
(4) 中大型轴承----公称外径尺寸范围为120-190mm的轴承
(4) Medium and large bearings - Bearings with nominal external diameter of 120-190mm
(5) 大型轴承----公称外径尺寸范围为200-430mm的轴承;
(5) Large bearings - Bearings with nominal external diameter ranging from 200 mm to 430 mm;
(6) 特大型轴承----公称外径尺寸范围为440mm以上的轴承。
(6) Super large bearings - Bearings with nominal outer diameter of more than 440 mm.www.zhenkongfumoj.cnwww.biaozhiji.cn www.baojietangshan.cnwww.daxiaotou.com.cn www.yanglaoyuanl.cn www.diandongmenj.cn