1、中华人民共和国国家标准GB/T297-94滚动轴承圆锥滚子轴承外形尺寸代替GB297一84Rolling bearings-Tapered roller bearings-Boundary dimensions1主题内容与适用范围本标准规定了外形尺寸符合GB273.1滚动轴承圆锥滚子轴承外形尺寸的单列圆维滚子轴承的外形尺寸。本标准适用于单列圆谁滚子轴承。2引用标准GB273.1滚动轴承圆锥滚子轴抽承外形尺寸3符号（见下图）d:轴承公称内径D:轴承公称外径T:轴承公称宽度B:内圈公称宽度C:外圈公称宽度E:外圈公称小内径a:公称接触角:内圈大端面径向公称倒角尺寸rmm:n的单向最小尺寸r2:内圈
2、大端面轴向公称倒角尺寸r2mm:r2的单向最小尺寸:外因大端面径向公称倒角尺寸r3xmm:r3的单向最小尺寸:外圈大端面轴向公称倒角尺寸rmim:r,的单向最小尺寸国家技术监督局1994-12-27批准1995-10-01实施1Gb/T297-94续表1轴形寸，mmCIsminD代302115510022.75212181.515063484.197302126011023.75222191.515063491.876302136512024.75的2201.5150634101.934302147012526.2524211.5153832105.74830215的13027.2525222
3、1.5161020110.4083021614028.25262.5222153832119.169302178515030.5282.5242153832126.685302189016032.5302.526153832134.901302199517034.5323272.5153832143.3853022010018037292.5153832151.310302211051903936302.5153832159.795302221102004138322.5153832168.5483022412021543.52.5161020181.257302261302307534161
4、020196.420302281402507542436161020212.2703023015027049454383161020227.408302321602905248440161020244.958302341703105752方161020262.48330236180320575多164157270.928302381903406055544161020291.083302402003606458548161020307.196302442204007265554表203系列承外形尺寸，mm代DTBE30302154214.2513111110452933.27230303174715.251412110452937.4203030420出16.25公1.531.511183641.31830305256218.25171.5的1.511183650.6373030630722075191.5161.511513558.28730307358022.75212181.511513565.76930308409025.25232201.5125710”72.7033
