<h2>Overview</h2>
<p>The <strong>Chicago Rawhide 24897 oil seal</strong> is a single-lip radial shaft seal manufactured by SKF under the CRW1 design standard. Designed for small-bore applications, it provides effective sealing between rotating and stationary components in high-demand industrial equipment. The seal features a spring-loaded nitrile lip that maintains consistent contact with the shaft, minimizing fluid loss and contamination ingress.</p>
<h2>Key Features</h2>
<ul>
<li><strong>CRW1 Design:</strong> Single-lip configuration with metal case and garter spring for optimized sealing performance</li>
<li><strong>Nitrile Material:</strong> Elastomer lip with higher pumping rate reduces heat generation and improves operational efficiency</li>
<li><strong>Bore Tite Coating:</strong> Outer diameter coating fills micro-imperfections in housing bores for improved fit and sealing reliability</li>
<li><strong>Spring-Loaded Design:</strong> Garter spring maintains radial load against the shaft throughout the seal’s service life</li>
<li><strong>Wide Temperature Range:</strong> Operates reliably from -40°F to 212°F (-40°C to 100°C)</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Shaft Diameter (ID):</strong> 2.5 inches (63.5 mm)</li>
<li><strong>Housing Bore Diameter (OD):</strong> 3.251 inches (82.575 mm)</li>
<li><strong>Width:</strong> 0.375 inches (9.525 mm)</li>
<li><strong>Design Type:</strong> CRW1 (Single-Lip with Spring)</li>
<li><strong>Material:</strong> Nitrile Rubber (NBR) with Steel Case</li>
<li><strong>Lip Configuration:</strong> Single Lip, Solid</li>
<li><strong>Operating Temperature:</strong> -40°F to 212°F (-40°C to 100°C)</li>
<li><strong>Cross Section:</strong> R Type</li>
<li><strong>Weight:</strong> Approximately 0.11 lb (50 g)</li>
<li><strong>Manufacturer:</strong> SKF / Chicago Rawhide</li>
</ul>
<h2>Typical Applications</h2>
<p>The Chicago Rawhide 24897 is widely used in:</p>
<ul>
<li>Internal combustion engines and drive axles</li>
<li>Manual and automatic transmissions</li>
<li>Hydraulic and lube pumps</li>
<li>Electric motor housings</li>
<li>Speed reducers and gearboxes</li>
<li>General-purpose machinery with pressurized seal cavities</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Standard radial shaft seal housings with 3.251" bore diameter</li>
<li>2.5" diameter rotating shafts</li>
<li>Industrial equipment using standard NBR elastomer seals</li>
<li>Pressurized and non-pressurized seal applications</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>SKF 24897 (Direct equivalent)</li>
<li>CR 24897 (Chicago Rawhide designation)</li>
<li>Timken 471271 (Cross-reference equivalent)</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Standard mineral and synthetic oils</li>
<li>Hydraulic fluids compatible with nitrile elastomer</li>
<li>Grease-lubricated and oil-lubricated equipment</li>
<li>Most OEM maintenance and repair protocols for bearing assemblies</li>
</ul>
