<p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; background-color: rgb(255, 255, 255); color: rgb(27, 28, 33); line-height: 1.625rem; word-break: break-word; font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px; text-align: center;">发布时间：2025年4月23日 NACHI</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; background-color: rgb(255, 255, 255); color: rgb(27, 28, 33); line-height: 1.625rem; word-break: break-word; font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px;">NACHI轴承的游隙选择是确保轴承正常运行和延长使用寿命的关键因素之一。游隙（Clearance）是指轴承内部滚动体与滚道之间的间隙，它直接影响轴承的载荷分布、旋转精度、噪声、发热以及寿命。以下是NACHI轴承游隙选择的注意事项：</p><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">1. 游隙的定义</span></h3><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">径向游隙</span>：<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承在径向方向上的间隙，通常用于深沟球轴承、圆柱滚子轴承等。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">轴向游隙</span>：<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承在轴向方向上的间隙，通常用于角接触球轴承、推力轴承等。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">工作游隙</span>：<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承在实际运行中的游隙，受载荷、温度和安装方式的影响。</p></li></ul><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">2. 游隙选择的基本原则</span></h3><h4 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">（1）根据<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承类型选择游隙</span></h4><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">深沟球轴承</span>：通常选择标准游隙（CN），适用于一般用途。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">角接触球轴承</span>：需要根据轴向载荷和预紧要求选择游隙。通常采用小游隙（C3）或定制游隙。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">圆柱滚子轴承</span>：通常选择标准游隙（CN）或小游隙（C3），具体取决于载荷和运行条件。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">圆锥滚子轴承</span>：通常选择标准游隙（CN），但在高载荷或高速应用中可能需要调整。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">推力轴承</span>：轴向游隙的选择需根据轴向载荷和运行速度确定。</p></li></ul><h4 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">（2）根据运行条件选择游隙</span></h4><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">高速应用</span>：选择小游隙（如C3或更小），以减少振动和噪声，但需注意温升对游隙的影响。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">高载荷应用</span>：选择标准游隙（CN）或适当增加游隙，以避免过载导致的变形。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">高温环境</span>：考虑热膨胀的影响，选择较大的初始游隙，以补偿运行时的热膨胀。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">冲击载荷</span>：选择较大的游隙，以吸收冲击能量，避免滚动体与滚道直接碰撞。</p></li></ul><h4 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">（3）根据安装方式选择游隙</span></h4><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">过盈配合</span>：如果轴承内圈或外圈采用过盈配合，游隙会减小，因此需要选择较大的初始游隙。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">间隙配合</span>：如果轴承采用间隙配合，游隙会增大，因此可以选择较小的初始游隙。</p></li></ul><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">3. 游隙选择的注意事项</span></h3><h4 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">（1）避免游隙过大或过小</span></h4><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">游隙过大</span>：会导致滚动体与滚道接触不良，增加振动和噪声，降低旋转精度。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">游隙过小</span>：会导致轴承过载，增加摩擦发热，甚至导致卡死或早期失效。</p></li></ul><h4 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">（2）考虑温升对游隙的影响</span></h4><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p>在高速或高温应用中，<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承的温升会显著影响游隙。选择游隙时需考虑运行时的热膨胀，通常需要预留一定的余量。</p></li></ul><h4 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">（3）预紧对游隙的影响</span></h4><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p>对于角接触球轴承或圆锥滚子轴承，预紧会减小游隙。预紧力的大小需根据应用要求精确计算，以避免过紧或过松。</p></li></ul><h4 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">（4）润滑方式的影响</span></h4><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p>油润滑或脂润滑会影响游隙的选择。例如，脂润滑可能导致游隙略有减小，而油润滑则相对稳定。</p></li></ul><h4 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">（5）参考NACHI的技术资料</span></h4><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p>NACHI为每种轴承提供了详细的游隙选择指南，包括标准游隙（CN）、小游隙（C3）以及特殊游隙的适用范围。建议优先参考NACHI的产品手册或技术文档。</p></li></ul><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">4. 游隙调整方法</span></h3><p style="box-sizing: border-box; margin-top: 0.625rem; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; background-color: rgb(255, 255, 255); color: rgb(27, 28, 33); line-height: 1.625rem; word-break: break-word; font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px;">如果需要调整游隙，可以采用以下方法：</p><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">预紧调整</span>：通过调整<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承的内外圈位置或使用预紧弹簧来改变游隙。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">垫片调整</span>：在轴承与轴承座之间添加或移除垫片，以调整游隙。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">温控调整</span>：在高温或低温环境中安装<span style="color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px; text-align: center; white-space: pre-wrap; background-color: rgb(255, 255, 255);">NACHI</span>轴承，利用热胀冷缩原理调整游隙。</p></li></ul><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">5. 示例</span></h3><p style="box-sizing: border-box; margin-top: 0.625rem; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; background-color: rgb(255, 255, 255); color: rgb(27, 28, 33); line-height: 1.625rem; word-break: break-word; font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px;">以NACHI深沟球轴承（型号：6205）为例：</p><ul style="box-sizing: border-box; list-style-position: initial; list-style-image: initial; padding: 0px; margin-block-start: 1em; margin-inline: 0px; padding-inline-start: 2.3em; font-size: 1rem; letter-spacing: 0.1rem; margin-top: 0.5rem; margin-bottom: 0.5rem; color: rgb(27, 28, 33); font-family: "PingFang SC", "PingFang SC-Regular"; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p><span style="box-sizing: border-box; font-weight: bolder;">标准游隙（CN）</span>：适用于一般用途，如普通电机或传动装置。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">小游隙（C3）</span>：适用于高速或高精度应用，如机床主轴。</p></li><li><p><span style="box-sizing: border-box; font-weight: bolder;">注意事项</span>：如果轴承运行在高温环境中，需选择较大的初始游隙（如C4），以补偿热膨胀。</p></li></ul><hr/><h3 style="box-sizing: border-box; color: rgba(0, 0, 0, 0.85); margin: revert; font-size: 1rem; line-height: 2rem; font-family: "PingFang SC", "PingFang SC-Regular"; letter-spacing: 0.5px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: bolder;">总结</span></h3><p style="box-sizing: border-box; margin-top: 0.625rem; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; background-color: rgb(255, 255, 255); color: rgb(27, 28, 33); line-height: 1.625rem; word-break: break-word; font-family: "PingFang SC", "PingFang SC-Regular"; font-size: 15px; letter-spacing: 0.5px;">NACHI轴承的游隙选择需要综合考虑轴承类型、运行条件、安装方式以及温升等因素。建议优先参考NACHI的技术资料，并在实际应用中进行测试和验证，以确保轴承的性能和寿命。如果不确定如何选择，可以联系NACHI的技术支持团队获取专业指导。</p><p><br/></p>