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|  When profits are determined by the efficiency of the production line, cost of
maintenance or repair is far overshadowed by loses caused by downtime. Heroes
are made and jobs are lost by small decisions that affect machine performance
and scheduled maintenance. A bearing failure can cause a major maintenance problem. Modern manufacturing procedures often create situations such as extreme temperatures or other harsh environments that can seriously shorten bearing life. Most often, bearing failure is the result of lubricant or seal failure. Cobra Solid Lubricants™ for bearings are uniquely engineered to exhibit extraordinary performance in the most difficult applications. Our proprietary process seals steel bearings with our unique graphite based dry solid lubricant. The process can be applied to most ball or roller type bearings, self-aligning, cylindrical, tapered or housed units. Bearings can have an I.D. as small as 1/8” or an O.D. as large as 25” Our unique graphite mixture has the consistency of a paste when it is inserted into the bearing that has been prepared for processing. A computer engineered pressure and heat treatment is followed by a precise run-in and finishing procedure. When the process is complete, the Cobra Solid Lubricant is dry and bonded only to the bearing’s steel cage. Additional seals and re-lubrication will not be required, even in extremely harsh environments! High vacuum, extreme temperature, or wet (even submerged) applications will
offer new engineering possibilities for manufacturing efficiency with Cobra
Solid Lubricants. The Cobra Solid Lubricant™ Advantage
Extreme High Temperature Application High Temperature Application Normal Temperature Application Very Low Temperature Application High Vacuum Applications Dirty or Harsh Environments Submerged applications Limited Accessibility These Industries and More!
Technical Information Cobra Solid Lubricants™ can be used with virtually any style bearing (except needle bearings and some thrust bearings) that has a metal cage separating the balls or rollers. Bearing size can be as small an I.D. as 1/8” or as large an O.D. as 25”. To be processed with Cobra Solid Lubricant, the bearing must have a metal cage. Some full complement bearings and wheels can also be processed with Cobra Solid Lubricants. Bearings processed with Cobra Solid Lubricants are filled
from the inner to the outer race and for the width of the bearing. The
microscopic clearance between the Cobra Solid Lubricant and the metal rings of
the bearing ensures protection from dirt, The dry solid lubricant deposits a 2 micron thick film of graphite on all friction surfaces of the bearing. Because of this, and the expansion of the metal which will occur at high temperatures, the recommended clearance for applications up to 250F is C3 and the clearance for applications up to 660F is C4.
Cobra Solid Lubricants are not recommended for high impact applications. Vibration or moderate impact will normally not effect the lubricant. Cobra Solid Lubricants are not rust inhibitors. Normal care should always be taken to protect bearings in corrosive applications.
Bearing can be processed with Cobra Solid Lubricants only at UTA facilities. We can supply the bearing with the solid lubricant complete or you can supply the bearing for us to process. If you supply the bearing, it must be unused, corrosion free, meet our size and type requirements, and be suitable for the intended application. Cobra Solid Lubricant may extend bearing life up to ten
times or more! Cobra Solid Lubricants™ For Bearings The Perfect Bearing Lubricants for Tough Applications
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dust, or other contaminants. Contaminants small enough to migrate into the gap
can not latch onto the dry solid lubricant to clog the ball path.
Normally, additional seals or shield are not required, even in high contaminant
areas.
Other
factors affecting bearing life, especially at high temperatures are speed and
load. Ordinary steel bearings suffer significant loss of hardness at
temperatures above 300F. For application above 250F, heat stabilized steel
bearings are recommended. When using bearings processed with Cobra Solid
Lubricants, especially in high temperature and/or high speed applications, a
slip or light interference fit is recommended between shaft and bearing.
Starting torque of
bearings processed with Cobra Solid Lubricant is similar to that of free
spinning bearings. Minimum load to prevent ball skid is similar to a dry
bearing.