What is normal life span of a bearing? is there any guidelines/matrix that you can share?
Answer:
A lot will depend on the design use vs the actual use of the bearing, as well as the design parameters of the bearing. As an example, the bearings on the control knob of your car radio are subjected to very low loading, and should be expected to outlast the life of the radio. The bearings in the crankshaft of the engine are subjected to much higher loads, and while they could be expected to last the normal 'service life' of the vehicle/engine, they would not last as long. Bearings for high-load applications in industrial machinery may have a life expectancy of only a few thousand (or even hundred) hours.
Go to www.SKF.com in calculatiopns they have the life span of a bearing, look at this link.
http://www.skf.com/skf/productcatalogue/...
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