New Bearing Selection Concepts and Mounting Guidelines for Off-Highway Wheels 790525

Increased size, payload and horsepower requirements are the trend in today's off-highway industry. This paper discusses the role of new anti-friction roller bearing technology in avoiding problems created by changing design considerations and the performance/cost/EPA triad currently squeezing designers and manufacturers of rubber tired earthmoving machinery.A comparison is made of bearing fatigue life determined by several methods including those derived from vehicle instrumentation and purely empirical criteria. Some common problems relating to the mounting and set up of large wheel bearings are also reviewed together with corresponding remedies.


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