An electric motor behind a conveyor starts to rattle. The housing temperature rises to 84 °C, and after two days of over-greasing, the bearing fails with dark blue races. That sequence is easy to repeat but painful to justify. In our practice at Nin...
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At 12,000 rpm in a vacuum pump motor, a standard steel bearing can fail from electrical erosion long before it wears out. The usual fix is a ceramic hybrid bearing: steel rings with silicon nitride balls. But specifying one by default is expensive a...
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An axial load is the force that tries to push a shaft through a bearing housing. In a vertical pump, a gearbox input shaft, or a wheel hub under cornering, that force is real. The short answer is yes: many ball bearings can take axial load, but the ...
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A replacement bearing can destroy a repaired motor within weeks without a single flaw in its material or lubrication. The cause is usually invisible: the tolerance class was different. A standard-class bearing and a precision-class bearing of the sa...
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