<P style="BACKGROUND: white"><FONT size=3><SPAN lang=EN-US style="COLOR: red">SKF</SPAN><SPAN style="COLOR: red">四点<SPAN lang=EN-US><A title="" href="http://www.skf126.com/skf/jjcq.html"><SPAN lang=EN-US style="COLOR: red"><SPAN lang=EN-US>接触球轴承</SPAN></SPAN></A></SPAN>的后缀含义如下：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: ''Times New Roman''; mso-bidi-font-family: 宋体"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></FONT></P> <P style="BACKGROUND: white"><SPAN lang=EN-US style="COLOR: red"><FONT size=3>FA</FONT></SPAN><SPAN style="COLOR: red"><FONT size=3>：机削钢保持架，外圈引导</FONT><FONT size=3><SPAN lang=EN-US> <BR>MA</SPAN>：机削黄铜保持架，外圈引导</FONT><FONT size=3><SPAN lang=EN-US> <BR>N2</SPAN>：外圈带两个互成<SPAN lang=EN-US>180</SPAN>度定位槽</FONT><FONT size=3><SPAN lang=EN-US> <BR>PHA</SPAN>：注塑聚醚酮（<SPAN lang=EN-US>PEEK</SPAN>）保持架，外圈引导</FONT><FONT size=3><SPAN lang=EN-US> <BR>P6</SPAN>：尺寸精度和旋转精度符合<SPAN lang=EN-US>ISO</SPAN>公差等级</FONT><FONT size=3><SPAN lang=EN-US>6 <BR>P63</SPAN>：</FONT><FONT size=3><SPAN lang=EN-US>P6+C3 <BR>P64</SPAN>：</FONT><FONT size=3><SPAN lang=EN-US>P6+C4 <BR>S1</SPAN>：特殊热处理，轴承套圈在<SPAN lang=EN-US>200</SPAN>度以下保持尺寸稳定</FONT><FONT size=3><SPAN lang=EN-US> <BR>344524</SPAN>：</FONT><FONT size=3><SPAN lang=EN-US>C2H+CNL <BR>B20</SPAN>：缩窄的宽度公差</FONT><FONT size=3><SPAN lang=EN-US> <BR>C2</SPAN>：轴向游隙小于普通级</FONT><FONT size=3><SPAN lang=EN-US> <BR>C2H</SPAN>：轴向游隙为<SPAN lang=EN-US>C2</SPAN>组游隙范围的上半部分</FONT><FONT size=3><SPAN lang=EN-US> <BR>C<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="2" UnitName="l">2L</st1:chmetcnv></SPAN>：轴向游隙为<SPAN lang=EN-US>C2</SPAN>组游隙范围的下半部分</FONT><FONT size=3><SPAN lang=EN-US> <BR>C3</SPAN>：轴向游隙大于普通组</FONT><FONT size=3><SPAN lang=EN-US> <BR>C4</SPAN>：轴向游隙大于<SPAN lang=EN-US>C3 <o:p></o:p></SPAN></FONT></SPAN></P>