gbt 297-1994 滚动轴承 圆锥滚子轴承 外形尺寸

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1、中华人民共和国国家标准GB/T297一94滚动轴承圆锥滚子轴承外形尺寸代替GB297-84Rollingbearings-Taperedrollerbearings-Boundarydimensions，主肠内容与适用范围本标准规定了外形尺寸符合GB273.H滚动轴承圆锥滚子轴承外形尺寸》的单列圆锥滚子轴承的外形尺寸。本标准适用于单列圆锥滚子轴承。2引用标准GB273.1滚动轴承圆锥滚子轴承外形尺寸3符号(见一下图)a: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r,:内圈大端面

2、径向公称倒角尺寸r,.mm:r，的单向最小尺寸rz:内圈大端面轴向公称倒角尺寸r,.-,:‘的单向最小尺寸r,:外圈大端面径向公称倒角尺寸r-i.:r。的单向最小尺寸r,:外圈大端面轴向公称倒角尺寸r,二。:r。的单向最小尺寸国家技术监.局1994一12一27批准1995一10一01实施GB/T297一94圆锥滚子轴承30000型4外形尺寸外形尺寸按表1~表10的规定。5标记标记示例:滚动轴承30205GB/T297-94表102系列夕卜形尺轴承r.，加。DT召代号153510.6100.6:::::1740:;.;:12112057'10"

3、}31.40820471412盯3020415.2512'57'10'304肠521513413020516.2514'02'10"13吕加621614佣114002'10"990犯651715兑330022/0362::.::114界no357217巧1020718.251.51400公1少，408018托3020819.751.51.514002'10"::一::朽肠]9161.515006'34"70.4405090即17:::::::.::I.5I.515"38'32"一}75.078一Gs/'e297一94续表1轴承外形尺寸，mnd

4、DT1〔’厂代号::::.:黑302115510022了5212181.5IS^06'34"81.lA了30212601102375222191.515O06，34“91.8下6lI302136512024.75232201.5I5'06'3,1"302117012526.2524221l51138'32”一:;一1I4kI302157513027.25252221516010'20"}l1o108302168014028.25262.522215'38'32"119.169302178515030.5282524215038'32”126.

5、685302189016032.5302.526215`38'32"134.901302199517034.5323272.51.5'38'32"143.38330220100I8037343292.515038'32"151.3103022110519039363302.515'38'32"1597953022211020041383322.515038'32"168.5i83022412021543.5403342.516010'20”181.25730226l3023043.754043431611川20"19己，12{)30三2814

6、025045.754243637B010'20"212.2"03()2301502704945438316'1以20"227.408302321602905248440316'10'2口艺」」.9583023.1170310575254341601口2护艺62183302361803205752543416041'.57"270SL8302381903406055546416'10'20"291.08330240200360石458548416010'20"307_19a3024422040072655544表203系列cs/T297一94一

7、外续表2轴承耳形尺J丁

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10、代号止一朽一抓~12"57'10'寸r.17吕肠:::一:50:一牛:::一盯9~协污1几7n9063弓溺约口J-扔30311:.:，卜岁日N60肚少月:::卜30312归2叮】2。岛710'Io77住华筋洲?8303飞3140﹄ILL816邓朴︺()303141.90讨L艺5.2全175盯内130315160傀介}3象.碑7即朋q八舀303161704;。5︸王4:姿.1了孟然们﹄乃J姗3031718044.5}5比1<:390憾八6八3031819046.51乌9曰引9520仆几Q3031949.5八曰1

11、6G,GIl0215竹nn30320d月51.5173.57吕105溉胡月1.3032153.512'57'10"上8f,.7界艺1l0240乳月弓斗3032254