内径40外径90高23的轴承

<table border="0" cellspacing="0" cellpadding="0" width="468"> <tbody> <tr> <td width="468" bgcolor="#f4f4f4"> <table border="0" cellspacing="1" cellpadding="2" width="468"> <tbody> <tr bgcolor="#f4f4f4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>d</strong></td> <td width="20%" align="right" valign="top">40  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> <tr bgcolor="#e4e4e4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>D</strong></td> <td width="20%" align="right" valign="top">90  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> <tr bgcolor="#f4f4f4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>B</strong></td> <td width="20%" align="right" valign="top">23  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> </td> </tr> <tr> <td width="468"> </td> </tr> <tr> <td width="468" bgcolor="#f4f4f4"> <table border="0" cellspacing="1" cellpadding="2" width="468"> <tbody> <tr bgcolor="#f4f4f4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>D₁</strong></td> <td width="20%" align="right" valign="top">80,8  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> <tr bgcolor="#e4e4e4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>D_{a max}</strong></td> <td width="20%" align="right" valign="top">81  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> <tr bgcolor="#f4f4f4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>d₂</strong></td> <td width="20%" align="right" valign="top">59,9  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> <tr bgcolor="#e4e4e4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>d_{a min}</strong></td> <td width="20%" align="right" valign="top">49  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> <tr bgcolor="#f4f4f4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>d_s</strong></td> <td width="20%" align="right" valign="top">3,2  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> <tr bgcolor="#e4e4e4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>n_s</strong></td> <td width="20%" align="right" valign="top">4,8  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> <tr bgcolor="#f4f4f4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>r_{a max}</strong></td> <td width="20%" align="right" valign="top">1,5  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> <tr bgcolor="#e4e4e4"> <td width="10%" align="center" valign="top" bgcolor="#b9b9b9"><strong>r_min</strong></td> <td width="20%" align="right" valign="top">1,5  mm </td> <td width="70%" align="left" valign="top"> <table border="0" cellspacing="0" cellpadding="0" width="高标准"> <tbody> <tr> <td width="2%"> </td> <td width="98%"> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> </td> </tr> <tr> <td width="468"> </td> </tr> </tbody> </table>