EXTREME PRESSURE AND ANTI-WEAR PROTECTION

    One of the primary functions of a grease is to reduce friction and wear in the bearing


    being lubricated under various operating conditions. Many bearing applications are

    subjected to high shock loading, continuous low speed/high torque conditions and in

    some cases severe overload conditions. These conditions often result in boundary

    lubrication conditions that result in metal to metal contact between the moving parts of

    the bearing. Once metal to metal contact occurs, excessive wear and eventual

    premature failure of the bearing will occur.

    Because of these aspects it is important that a grease possess good to very good

    extreme pressure and anti-wear properties.

    Schaeffer Mfg’s Aluminum Complex Base and Bentone Base Greases provide

    significant anti-wear and extreme pressure protection, not only due to the naturally

    high film strength contributed by the 100% pure paraffin base oils and polyalphaolefin

    synthetic base fluids, the use of low thickener content that allows more base oil and

    fluid to be available to help dampen shock and distribute the solid lubricants and

    extreme pressure additives over the face of the bearings, a long lasting highly

    effective extreme pressure additive system, but also due to the presence of

    Molybdenum Disulfide, Synthesized Moly and/or other solid lubricants. Once the

    Molybdenum Disulfide, Synthesized Moly and/or other solid lubricants are plated to the

    metal surfaces of the bearing , they form a long lasting solid lubricant film that is

    capable of withstanding pressures in excess of 500,000 psig. This long lasting solid

    lubricant film prevents metal to metal contact and damaging frictional wear from

    occurring, especially during periods of high speed, high shock loads and extreme

    pressure. This results in in not only reduced wear and a reduction in contact area

    temperatures, but also in increased bearing life, less downtime and extended

    lubrication cycles.

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