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描述	前置代号 B 采用渗碳钢的轴承。前置代号 C 采用渗碳钢的轴承。前置代号 D 采用渗碳钢的轴承。前置代号 H 采用高速钢的轴承。前置代号 S 采用不锈钢的轴承。
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<p> NACHI轴承是日本不二越集团生产的轴承产品，其代码有别于其他轴承品牌，在这里广州依纳轴承特别整理收集了一些关于NACHI轴承的前后缀代码含义，供大家参考学习。</p> <p> <a href="/nachicodeexplain" target="_blank">NACHI轴承代码</a>含义表格如下</p> <p> </p> <table class="ke-zeroborder"> <tbody> <tr height="19"> <td>前置代号</td> <td height="19"></td> <td>B</td> <td>采用渗碳钢的轴承。</td> </tr> <tr height="19"> <td>前置代号</td> <td height="19"></td> <td>C</td> <td>采用渗碳钢的轴承。</td> </tr> <tr height="19"> <td>前置代号</td> <td height="19"></td> <td>D</td> <td>采用渗碳钢的轴承。</td> </tr> <tr height="19"> <td>前置代号</td> <td height="19"></td> <td>H</td> <td>采用高速钢的轴承。</td> </tr> <tr height="19"> <td>前置代号</td> <td height="19"></td> <td>S</td> <td>采用不锈钢的轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>N</td> <td>圆柱滚子轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>NU</td> <td>圆柱滚子轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>NF</td> <td>圆柱滚子轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>NJ</td> <td>圆柱滚子轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>NP</td> <td>圆柱滚子轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>NUP</td> <td>圆柱滚子轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>NH</td> <td>圆柱滚子轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>NNU</td> <td>圆柱滚子轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>NN</td> <td>圆柱滚子轴承。</td> </tr> <tr height="19"> <td>前缀</td> <td>类型代号</td> <td>R</td> <td>带内圈或外圈的圆柱滚子轴承。</td> </tr> <tr height="19"> <td>后缀</td> <td>接触角代号</td> <td>C</td> <td>单列角接触球轴承，公称接触角10°～22°（标准15°）。</td> </tr> <tr height="19"> <td>后缀</td> <td>接触角代号</td> <td>(A)</td> <td>单列角接触球轴承，公称接触角22°～32°（标准30°）。</td> </tr> <tr height="19"> <td>后缀</td> <td>接触角代号</td> <td>B</td> <td>单列角接触球轴承，公称接触角32°～45°（标准40°）。</td> </tr> <tr height="19"> <td>后缀</td> <td>接触角代号</td> <td>D</td> <td>圆锥滚子轴承，公称接触角24°～32°。</td> </tr> <tr height="19"> <td>后缀</td> <td>接触角代号</td> <td>C</td> <td>圆锥滚子轴承，公称接触角17°～24°。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>A</td> <td>圆锥滚子轴承内圈，轴承宽度有变化。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>E</td> <td>滚子轴承设计改变。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>J</td> <td>内、外圈具有GUOJI互换性的圆锥滚子轴承。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>S26</td> <td>经热稳定处理的轴承。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>S28</td> <td>经热稳定处理的轴承。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>W20</td> <td>外圈上油孔。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>W33</td> <td>外圈上有油槽和油孔。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>E2</td> <td>有车制保持架的调心滚子轴承。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>EX</td> <td>高承载能力的调心滚子轴承。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>A2X</td> <td>高速调心滚子轴承。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>AEX</td> <td>高速与高承载能力的调心滚子轴承。</td> </tr> <tr height="19"> <td>后置代号</td> <td>特殊设计</td> <td>V</td> <td>振动机械特殊设计。</td> </tr> <tr height="19"> <td>后置代号</td> <td>保持架代号</td> <td>F</td> <td>车制低碳钢保持架。</td> </tr> <tr height="19"> <td>后置代号</td> <td>保持架代号</td> <td>G</td> <td>非金属保持架。</td> </tr> <tr height="19"> <td>后置代号</td> <td>保持架代号</td> <td>L</td> <td>车制轻合金保持架。</td> </tr> <tr height="19"> <td>后置代号</td> <td>保持架代号</td> <td>MY</td> <td>车制黄铜合金保持架。</td> </tr> <tr height="19"> <td>后置代号</td> <td>保持架代号</td> <td>V</td> <td>无保持架。</td> </tr> <tr height="19"> <td>后置代号</td> <td>保持架代号</td> <td>Y</td> <td>车制非铁合金保持架。</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>ZE</td> <td>单面防尘盖。</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>Z</td> <td>单面防尘盖。</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>ZZE</td> <td>双面防尘盖。</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>ZZ</td> <td>双面防尘盖。</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>NKE</td> <td>单面密封（迷宫型）</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>NK</td> <td>单面密封（迷宫型）</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>-2NKE</td> <td>双面密封（迷宫型）</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>-2NK</td> <td>双面密封（迷宫型）</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>NSE</td> <td>单面密封（接触型）</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>NSL</td> <td>单面密封（接触型）</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>-2NSE</td> <td>双面密封（接触型）</td> </tr> <tr height="19"> <td>后置代号</td> <td>密封圈或防尘盖</td> <td>-2NSL</td> <td>双面密封（接触型）</td> </tr> <tr height="19"> <td>后置代号</td> <td>套圈改变</td> <td>K</td> <td>轴承内径锥度1：12</td> </tr> <tr height="19"> <td>后置代号</td> <td>套圈改变</td> <td>K30</td> <td>轴承内径锥度1：30</td> </tr> <tr height="19"> <td>后置代号</td> <td>套圈改变</td> <td>N</td> <td>外圈上带止动槽无止动环。</td> </tr> <tr height="19"> <td>后置代号</td> <td>套圈改变</td> <td>NR</td> <td>外圈上带止动环。</td> </tr> <tr height="19"> <td>后置代号</td> <td>双联安装</td> <td>DB</td> <td>背对背安装</td> </tr> <tr height="19"> <td>后置代号</td> <td>双联安装</td> <td>DF</td> <td>面对面安装</td> </tr> <tr height="19"> <td>后置代号</td> <td>双联安装</td> <td>DT</td> <td>串联安装</td> </tr> <tr height="19"> <td>后置代号</td> <td>双联安装</td> <td>KB</td> <td>外圈带隔圈的背对背安装</td> </tr> <tr height="19"> <td>后置代号</td> <td>双联安装</td> <td>+α</td> <td>隔圈（α是隔离件标准宽度尺寸）。</td> </tr> <tr height="19"> <td>后置代号</td> <td>双联安装</td> <td>U</td> <td>等高研磨的角接触球轴承。</td> </tr> <tr height="19"> <td>后置代号</td> <td>双联安装</td> <td>DU</td> <td>等高研磨的角接触球轴承。</td> </tr> <tr height="19"> <td>后置代号</td> <td>套筒</td> <td>+H</td> <td>紧定套</td> </tr> <tr height="19"> <td>后置代号</td> <td>套筒</td> <td>+AH</td> <td>退卸套</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C1</td> <td>径向游隙C1。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C2</td> <td>径向游隙C2。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>(CN)</td> <td>普通径向游隙。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C3</td> <td>径向游隙C3。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C4</td> <td>径向游隙C4。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C5</td> <td>径向游隙C5。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C1P</td> <td>径向游隙C1P。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C2P</td> <td>径向游隙C2P。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C3P</td> <td>径向游隙C3P。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C4P</td> <td>径向游隙C4P。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C5P</td> <td>径向游隙C5P。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C6P</td> <td>径向游隙C6P。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C9na</td> <td>圆柱滚子轴承互换性游隙C9.</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C1na</td> <td>圆柱滚子轴承互换性游隙C1.</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C2na</td> <td>圆柱滚子轴承互换性游隙C2.</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>Cna</td> <td>圆柱滚子轴承互换性标准游隙.</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C3na</td> <td>圆柱滚子轴承互换性游隙C3.</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C4na</td> <td>圆柱滚子轴承互换性游隙C4.</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>C5na</td> <td>圆柱滚子轴承互换性游隙C5.</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>CM</td> <td>电动机轴承径向游隙（深沟球轴承和不可互换的圆柱滚子轴承）。</td> </tr> <tr height="19"> <td>后置代号</td> <td>游隙</td> <td>CT</td> <td>电动机轴承径向游隙（可互换的圆柱滚子轴承）。</td> </tr> <tr height="19"> <td>后置代号</td> <td>公差等级</td> <td x:num="0">0</td> <td>公差等级符合JIS规定的0级。</td> </tr> <tr height="19"> <td>后置代号</td> <td>公差等级</td> <td>P6</td> <td>公差等级符合JIS规定的6级。</td> </tr> <tr height="19"> <td>后置代号</td> <td>公差等级</td> <td>P6X</td> <td>公差等级符合JIS规定的6X级。</td> </tr> <tr height="19"> <td>后置代号</td> <td>公差等级</td> <td>P5</td> <td>公差等级符合JIS规定的5级。</td> </tr> <tr height="19"> <td>后置代号</td> <td>公差等级</td> <td>P4</td> <td>公差等级符合JIS规定的4级。</td> </tr> <tr height="19"> <td>后置代号</td> <td>公差等级</td> <td>P2</td> <td>公差等级符合JIS规定的2级。</td> </tr> <tr height="19"> <td>后置代号</td> <td>公差等级</td> <td>UP</td> <td>公差等级符合NACHI公司规定的UP级。</td> </tr> <tr height="19"> <td>后置代号</td> <td>润滑脂代号</td> <td>ADC</td> <td>壳牌Andoc C。</td> </tr> <tr height="19"> <td>后置代号</td> <td>润滑脂代号</td> <td>AV2</td> <td>壳牌Alvania 2号润滑脂。</td> </tr> <tr height="19"> <td>后置代号</td> <td>润滑脂代号</td> <td>BC325</td> <td>日本标准石油公司标号325.</td> </tr> <tr height="19"> <td>后置代号</td> <td>润滑脂代号</td> <td>MTSRL</td> <td>Multemp SRL。</td> </tr> </tbody> </table>