<div class="pad_b15">Unfortunately, sales of the 12-tooth model have been discontinued because the E dimension becomes thinner when the shaft bore is machined, making it easy for the collar and flange to come off. (December 2015)</div><div class="pad_b15" style="position: relative;"><div style="position: absolute; top: 0px; left: 0px;">■T2.5</div><div style="position: absolute; top: 0px; left: 260px;">● Pulley Shape</div><div style="position: absolute; top: 23px; left: 260px;">Shape <font class="fontType">K</font></div><div style="position: absolute; top: 23px; left: 600px;">Shape <font class="fontType">B</font></div><div style="position: absolute; top: 110px; left: 75px;">Standard Tooth Profile</div><div style="position: absolute; top: 260px; left: 50px;">(Pitch: 2.5 mm)</div><img alt="" src="//uk.misumi-ec.com/linked/item/10302565440/img/drw_01_001_001.gif" style="width: 861px; height: 325px;" /></div><div class="pad_b15"><div style="display: inline-block; vertical-align: top; margin-right: 50px; ">■Belt Nominal Width / Dimensions<table border="0" cellspacing="0" style="border-width: 0px;"><tbody><tr><td align="center" class="headerCell" rowspan="2">mm</td><td align="center" class="headerCell">Nominal</td></tr><tr><td align="center" class="bodyCell"><font class="fontType">T25070</font></td></tr><tr><td align="center" class="coloredCell">A (Shape K)</td><td align="center" class="coloredCell">8</td></tr><tr><td align="center" class="coloredCell">A (Shape B)</td><td align="center" class="coloredCell">8</td></tr><tr><td align="center" class="coloredCell">W (Shape B)</td><td align="center" class="coloredCell">12</td></tr><tr><td align="center" class="coloredCell">L</td><td align="center" class="coloredCell">20</td></tr></tbody></table></div><div style="display: inline-block; vertical-align: top; ">■Tapped Hole Dimensions (Shaft Bore Specs.: P, N, C)<table border="0" cellspacing="0" style="border-width: 0px;"><tbody><tr><td align="center" class="headerCell">d<sub>H7</sub><br />Shaft Bore I.D.</td><td align="center" class="headerCell">M<br />(Coarse)</td><td align="center" class="headerCell">Accessory<br />Set Screws</td></tr><tr><td align="center" class="bodyCell"><font class="fontType">4&middot;5</font></td><td align="center" class="coloredCell">M3</td><td align="center" class="coloredCell">M3 &times; 3</td></tr><tr><td align="center" class="bodyCell"><font class="fontType">6 to 14</font></td><td align="center" class="coloredCell">M4</td><td align="center" class="coloredCell">M4 &times; 3</td></tr></tbody></table></div><div style="display: block; margin-top: 20px;">■Number of Teeth / Dimension<table border="0" cellspacing="0" style="border-width: 0px;"><tbody><tr><td align="center" class="headerCell" rowspan="2">mm</td><td align="center" class="headerCell" colspan="19">Number of Teeth</td></tr><tr><td align="center" class="bodyCell"><font class="fontType">14</font></td><td align="center" class="bodyCell"><font class="fontType">15</font></td><td align="center" class="bodyCell"><font class="fontType">16</font></td><td align="center" class="bodyCell"><font class="fontType">18</font></td><td align="center" class="bodyCell"><font class="fontType">20</font></td><td align="center" class="bodyCell"><font class="fontType">22</font></td><td align="center" class="bodyCell"><font class="fontType">24</font></td><td align="center" class="bodyCell"><font class="fontType">25</font></td><td align="center" class="bodyCell"><font class="fontType">26</font></td><td align="center" class="bodyCell"><font class="fontType">28</font></td><td align="center" class="bodyCell"><font class="fontType">30</font></td><td align="center" class="bodyCell"><font class="fontType">32</font></td><td align="center" class="bodyCell"><font class="fontType">34</font></td><td align="center" class="bodyCell"><font class="fontType">36</font></td><td align="center" class="bodyCell"><font class="fontType">40</font></td><td align="center" class="bodyCell"><font class="fontType">44</font></td><td align="center" class="bodyCell"><font class="fontType">48</font></td><td align="center" class="bodyCell"><font class="fontType">50</font></td><td align="center" class="bodyCell"><font class="fontType">60</font></td></tr><tr><td align="center" class="coloredCell">P.D.</td><td align="center" class="coloredCell">11.14</td><td align="center" class="coloredCell">11.94</td><td align="center" class="coloredCell">12.73</td><td align="center" class="coloredCell">14.32</td><td align="center" class="coloredCell">15.92</td><td align="center" class="coloredCell">17.51</td><td align="center" class="coloredCell">19.10</td><td align="center" class="coloredCell">19.89</td><td align="center" class="coloredCell">20.69</td><td align="center" class="coloredCell">22.28</td><td align="center" class="coloredCell">23.87</td><td align="center" class="coloredCell">25.46</td><td align="center" class="coloredCell">27.06</td><td align="center" class="coloredCell">28.65</td><td align="center" class="coloredCell">31.83</td><td align="center" class="coloredCell">35.01</td><td align="center" class="coloredCell">38.20</td><td align="center" class="coloredCell">39.79</td><td align="center" class="coloredCell">47.75</td></tr><tr><td align="center" class="coloredCell">O.D.</td><td align="center" class="coloredCell">10.60</td><td align="center" class="coloredCell">11.40</td><td align="center" class="coloredCell">12.20</td><td align="center" class="coloredCell">13.80</td><td align="center" class="coloredCell">15.40</td><td align="center" class="coloredCell">17.00</td><td align="center" class="coloredCell">18.55</td><td align="center" class="coloredCell">19.35</td><td align="center" class="coloredCell">20.15</td><td align="center" class="coloredCell">21.75</td><td align="center" class="coloredCell">23.35</td><td align="center" class="coloredCell">24.95</td><td align="center" class="coloredCell">26.55</td><td align="center" class="coloredCell">28.10</td><td align="center" class="coloredCell">31.30</td><td align="center" class="coloredCell">34.50</td><td align="center" class="coloredCell">37.70</td><td align="center" class="coloredCell">39.25</td><td align="center" class="coloredCell">47.25</td></tr><tr><td align="center" class="coloredCell">D</td><td align="center" class="coloredCell">14</td><td align="center" class="coloredCell">14</td><td align="center" class="coloredCell">14</td><td align="center" class="coloredCell">17</td><td align="center" class="coloredCell">21</td><td align="center" class="coloredCell">12</td><td align="center" class="coloredCell">12</td><td align="center" class="coloredCell">12</td><td align="center" class="coloredCell">12</td><td align="center" class="coloredCell">14</td><td align="center" class="coloredCell">14</td><td align="center" class="coloredCell">16</td><td align="center" class="coloredCell">16</td><td align="center" class="coloredCell">16</td><td align="center" class="coloredCell">18</td><td align="center" class="coloredCell">24</td><td align="center" class="coloredCell">26</td><td align="center" class="coloredCell">28</td><td align="center" class="coloredCell">30</td></tr><tr><td align="center" class="coloredCell">F</td><td align="center" class="coloredCell">14</td><td align="center" class="coloredCell">14</td><td align="center" class="coloredCell">14</td><td align="center" class="coloredCell">17</td><td align="center" class="coloredCell">20</td><td align="center" class="coloredCell">22</td><td align="center" class="coloredCell">25</td><td align="center" class="coloredCell">25</td><td align="center" class="coloredCell">25</td><td align="center" class="coloredCell">28</td><td align="center" class="coloredCell">28</td><td align="center" class="coloredCell">30</td><td align="center" class="coloredCell">32</td><td align="center" class="coloredCell">32</td><td align="center" class="coloredCell">35</td><td align="center" class="coloredCell">40</td><td align="center" class="coloredCell">40</td><td align="center" class="coloredCell">44</td><td align="center" class="coloredCell">50</td></tr><tr><td align="center" class="coloredCell">E</td><td align="center" class="coloredCell">8</td><td align="center" class="coloredCell">8</td><td align="center" class="coloredCell">8</td><td align="center" class="coloredCell">10</td><td align="center" class="coloredCell">13</td><td align="center" class="coloredCell">14</td><td align="center" class="coloredCell">16</td><td align="center" class="coloredCell">16</td><td align="center" class="coloredCell">16</td><td align="center" class="coloredCell">18</td><td align="center" class="coloredCell">18</td><td align="center" class="coloredCell">20</td><td align="center" class="coloredCell">23</td><td align="center" class="coloredCell">23</td><td align="center" class="coloredCell">25</td><td align="center" class="coloredCell">28</td><td align="center" class="coloredCell">28</td><td align="center" class="coloredCell">32</td><td align="center" class="coloredCell">38</td></tr></tbody></table><span class="fontNote">[ ! ]</span> Shaft Bore Specs. H (Round hole) and V or F (Stepped Hole) do not have tapped holes.<br /><span class="fontNote">[ ! ]</span> The tolerance of the tap position dimension from the boss end face and pulley end face is &plusmn;0.3.<br /><span class="fontNote">[ ! ]</span> Unless otherwise specified except for teeth and F dimensions, the dimension tolerance conforms to JIS B 0405 Class m.</div></div><div class="pad_b15"><div style="margin-bottom: 10px; display: block">● Shaft Bore Specification<br />Select shaft bore spec mark and each dim. from the table below. <span style="margin-left: 20px;"></span><span class="fontNote">[!]</span> Surface treatment may not be applied to the shaft bores.</div><div style="display: inline-block; vertical-align: top; margin-right: 20px; "><font class="fontType">H</font> round hole<br /><br /><img alt="" src="//stg1-th.misumi-ec.com/linked/item/10302565440/img/drw_02_001.gif" style="width: 113px; height: 148px;" /><p style="margin-left: 2em; text-indent: -2em;"><span class="fontNote">[ ! ]</span> No tapped holes<br />or set screws.</p></div><div style="display: inline-block; vertical-align: top; margin-right: 15px; "><font class="fontType">P</font> Round Hole + Tap<br /><br /><img alt="" src="//stg1-th.misumi-ec.com/linked/item/10302565440/img/drw_03_001.gif" style="width: 140px; height: 148px;" /></div><div style="display: inline-block; vertical-align: top; margin-right: 15px; "><font class="fontType">N</font> New JIS Keyway + Tap<br /><font class="fontType">C</font> Old JIS Keyway + Tap<br /><img alt="" src="//stg1-th.misumi-ec.com/linked/item/10302565440/img/drw_04_001.gif" style="width: 100px; height: 148px;" /><p style="margin-left: 2em; text-indent: -2em;"><span class="fontNote">[ ! ]</span> When selecting<br />&quot;New JIS Keywayed Bore&quot;<br />+ &quot;Shaft Bore Dia. 10&quot;<br />+ &quot;Keyway Width 4.0 mm<br />Specify <font class="fontType">NK10</font>.</p></div><div style="display: inline-block; vertical-align: top; margin-right: 20px; "><font class="fontType">V</font> stepped hole<br /><br /><img alt="" src="//stg1-th.misumi-ec.com/linked/item/10302565440/img/drw_05_001.gif" style="width: 140px; height: 148px;" /><br /><span class="fontNote">[ ! ]</span> No tapped holes or set screws.</div><div style="display: inline-block; vertical-align: top; "><font class="fontType">F</font> Stepped Hole<br />　(Counterbored Hole on the Hub Side)<br /><img alt="" src="//stg1-th.misumi-ec.com/linked/item/10302565440/img/drw_06.gif" style="width: 140px; height: 147px;" /><br /><span class="fontNote">[ ! ]</span> Applicable to Shape B only<br /><span class="fontNote">[ ! ]</span> No tapped holes or set screws.</div></div><div class="pad_b15"><table border="0" cellspacing="0"><tbody><tr><td align="center" class="headerCell" rowspan="3">Type</td><td align="center" class="headerCell">Belt Width</td><td align="center" class="headerCell" colspan="2">[M]Material<span class="fontType"><sup>*1</sup></span></td><td align="center" class="headerCell" rowspan="3">[S] Surface Treatment</td><td align="center" class="headerCell" rowspan="3">[A]Accessory<span class="fontType"><sup>*1</sup></span><br />Set Screws</td></tr><tr><td align="center" class="headerCell">7 mm</td><td align="center" class="headerCell" rowspan="2">Pulley</td><td align="center" class="headerCell" rowspan="2">Flange</td></tr><tr><td align="center" class="bodyCell"><span class="fontType">T2.5</span></td></tr><tr><td align="center" class="bodyCell"><span class="fontType">TTPA</span></td><td align="center" class="bodyCell"><span class="fontType">●</span></td><td align="center" class="bodyCell">2000 Series Aluminum Alloy</td><td align="center" class="bodyCell">Aluminum alloy</td><td align="center" class="bodyCell">Clear Anodize</td><td align="center" class="bodyCell">EN 1.4301 Equiv.</td></tr></tbody></table><span class="fontNote">*1</span>The above materials and accessories might be changed to the ones equivalent to the originals. <span class="fontNote">[!]</span>Flange is already swaged, and set screws are included for Shaft Bores P, N and C.</div>