operating temperatures for Nice ball bearings are a function of the
bearing cage, seal, and grease materials used in the final assembly.
For Nice's standard precision product series (600, 3000,7500, 7600,
and 6900) the maximum recommended operating temperature is 250°F. Operation
at temperatures as high as 300°F can be tolerated if of an intermittent
nature.When operating at the extremes of allowable temperatures, grease
may purge out between the seal lip and the bearing inner ring. If this
is unacceptable for a particular application, other design arrangements
might be necessary.
Nice's full complement
unground series (400,5000, 500, and 600) can operate at higher temperatures
than above,and will be limited only by choice of lubricant. However,
Nice Engineering should be consulted for application verification.