轴承名称新型号旧型号内径(mm)外径(mm)厚度(mm)参考型号KOYO618/1轴承618/11000081131681KOYO618/1.5轴承618/1.5100008/1.51.541.268/1.5KOYO618/2轴承618/21000082251.5682KOYO618/2.5轴承618/2.5100008/2.52.561.868/2.5KOYO618/3轴承618/31000083372683KOYO618/4轴承618/41000084492.5684KOYO618/5轴承618/510000855113685KOYO618/6轴承618/610000866133.5686KOYO618/7轴承618/710000877143.5687KOYO618/8轴承618/810000888164688KOYO618/9轴承