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Seal Selection Considerations<br />
Customer information Customer request<br />
Company Catalogs yes no<br />
Address Quantity required<br />
Contact Delivery date required<br />
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Note: <strong>Clark</strong>'s <strong>Excluder</strong> <strong>and</strong> Sheave <strong>Seals</strong> are designed to protect tapered roller bearing using a grease lubricant.<br />
Application Considerations:<br />
Type of equipment: Type of lubricant<br />
Preferred seal design: CSL CE CS CA Max. temperature<br />
Bearing Cup Number Corrosive Atmosphere<br />
Bearing Cone Number Vibration<br />
Cone Bore Thermal expansion of housing<br />
Cup O.D. Maximum cavity pressure<br />
Preferred sealing surface Heavy dust exclusion<br />
Grease flushing feature req'd Light dust exclusion<br />
Lip design options:<br />
1.) A single lip to prevent debris from entering the bearing cavity <strong>and</strong> to allow excessive grease to escape.<br />
2.) A single lip to retain the grease in the bearing cavity.<br />
3.) A dual lip to prevent debris from entering the bearing cavity <strong>and</strong> to allow excessive grease to escape.<br />
4.) A dual lip to retain the grease in the bearing cavity <strong>and</strong> exclude debris from entering the bearing cavity.<br />
5.) A locator lip to allow the seals to be pre-assembled <strong>and</strong> positioned onto the bearing cone prior to installation.<br />
6.) Multiple lip seals for heavy duty exclusion of dirt, mud <strong>and</strong> moisture.<br />
Seal design options:<br />
1.) Seal with partial metal <strong>and</strong> rubber O.D. <strong>Clark</strong>'s Unique Premium Series <strong>Seals</strong>.<br />
2.) Seal with rubber covering <strong>and</strong> a machined metal O.D. for maximum corrosion protection <strong>and</strong> a heavy press fit.<br />
3.) Seal completely rubber covered for applications where thermal expansion <strong>and</strong> corrosion are a problem.<br />
4.) Seal with a metal O.D. without a rubber covering for a heavy press fit to resist pressure <strong>and</strong> vibrations.<br />
5.) Seal retained between the cone <strong>and</strong> shaft shoulder for high pressure, temperature <strong>and</strong> vibration.<br />
Sealing surface options:<br />
1.) Housing bore 5.) Cone front face<br />
2.) Cup front face 6.) Housing face<br />
3.) Cup back face 7.) Bearing inner race<br />
4.) Cone large rib diameter 8.) Bearing outer race<br />
Contact <strong>Clark</strong> for help in the seal selection process.<br />
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Date:<br />
<strong>Clark</strong> <strong>Seals</strong>, <strong>Ltd</strong>. TEL: (918) 664-0587<br />
3824 South 79th East Avenue FAX: (918) 664-1467<br />
Tulsa, Oklahoma, U.S.A. 74145-3232 1-800-565-1240<br />
www.clarkseals.com
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