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			<a href="/needle-bearings/">Needle Bearings</a>  &raquo; <a href="/needle-bearings/drawn-cup.php">Drawn Cup</a> 
			<h1>
				<span class="part">NPB M-8121 Bearing</span>
				<span class="title">Drawn Cup | Needle Roller Bearings</span>
			</h1>

			
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			<dl class="overview">
				<dt>NPB Part No.</dt><dd><strong>M-8121</strong></dd>	
			</dl>
			
			<h2>Specifications</h2>

			<div class="drawing"><img src="/assets/images/diagrams/needle/drawn-cup-closed.svg" alt="Dimensional Diagram" /></div>

			<dl class="specs">
			<!-- title: Type -->
<!-- display_title: Type -->
<!-- display_title: Type -->
<!-- display_title: Type -->
<!-- display_title: Type -->
<dt>Type</dt><dd>Full complement</dd><!-- title: Assembly -->
<!-- display_title: Assembly -->
<!-- display_title: Assembly -->
<!-- display_title: Assembly -->
<!-- display_title: Assembly -->
<dt>Assembly</dt><dd>Closed end</dd><!-- title: Inside Diameter "Fw" -->
<!-- display_title: Inside Diameter "Fw" -->
<!-- display_title: Inside Diameter "Fw" -->
<!-- display_title: Inside Diameter "Fw" -->
<!-- display_title: Inside Diameter &nbsp;<sup>Fw</sup> -->
<dt>Inside Diameter &nbsp;<sup>Fw</sup></dt><dd>0.500" / 12.700 mm</dd><!-- title: Outside Diameter "D" -->
<!-- display_title: Outside Diameter "D" -->
<!-- display_title: Outside Diameter "D" -->
<!-- display_title: Outside Diameter "D" -->
<!-- display_title: Outside Diameter &nbsp;<sup>D</sup> -->
<dt>Outside Diameter &nbsp;<sup>D</sup></dt><dd>0.687" / 17.462 mm</dd><!-- title: Thickness "C" -->
<!-- display_title: Thickness "C" -->
<!-- display_title: Thickness "C" -->
<!-- display_title: Thickness "C" -->
<!-- display_title: Thickness &nbsp;<sup>C</sup> -->
<dt>Thickness &nbsp;<sup>C</sup></dt><dd>0.750" / 19.050 mm</dd>			</dl>

						
			
				<h2>Interchange</h2>

				<p>National Precision Bearing Part No M-8121 is an interchangable replacement for these common bearing part numbers:</p>

				<dl class="xchange">
				<dt>Koyo Bearing</dt><dd>M-8121</dd><dt>Torrington  Bearing</dt><dd>M-8121</dd>				</dl>

						 
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