Machinery Lubrication

Machinery Lubrication July - August 2018

Machinery Lubrication magazine published by Noria Corporation

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Page 54 of 76

While much thought is given to major auto- motive lubricants like engine oil and trans- mission fluid, there are many other components in a vehicle that have specific lubrication requirements. One such component is the hub assembly, where what are known as wheel-end lubricants are commonly used. Hub assemblies can be oiled or greased, and just like motors and transmissions, the lubricant and lubrication practices will have a considerable impact on their life expectancy and operation. e better you take care of these components, the longer they will last. How Hub Assemblies Work e majority of hub assemblies utilize a rolling-element bearing on the spindle to allow the wheel to rotate freely. These typically are tapered element bearings to help support loads in multiple directions. ey are often installed in pairs on steering wheels. For wheels that don't steer, known as drive or idle wheels, you may find traditional ball bearings. Although these bearings can reduce the amount of friction between the moving parts, the bearings must be lubricated periodically to enable maximum life of the assembly. is raises the ques- tion as to which lubricant should be used to lubricate, protect and ensure the bearing will provide trouble-free service for an extended period of time. Lubricant Selection Oils have been employed in many hub assemblies with good results. When using an oil bath to lubricate the wheel ends, there is generally less drag on the bearings Best Practices for Wheel-end Lubricants 50 | July - August 2018 | www . "Wheel ends should be properly lubricated for the performance of the vehicle as well as the safety of the public." Automotive Wes Cash | Noria Corporation BACK PAGE BASICS

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