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Bearings
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Section Bearings Suppliers
Bearings
and Bushings Products and Supply
There are three types of thin-section bearings: radial contact, angular
contact, and four-point contact bearings. When
compared with standard-section ball bearings, all three bearing types offer
advantages in reduced space requirements, weight, and rolling resistance.
These bearings are used to distribute the load over a greater number of
small diameter balls for lower starting and running torque.
Applications include low rolling resistance requirements such as robotics,
inspection equipment, medical devices, and semiconductor manufacturing, as well
as aerospace controls-any situation in which weight and space must be kept to a
minimum.
Careful consideration should be extended to the bearing installation, as thin-section bearings
have thinner outer rings than standard bearings. The less mass present within
thin section bearings result in bearing assemblies which are not as stiff and
may be quite flexible. Under installation and running load, the bearing rings
may follow the surface variations of shaft and bores, so the shafts and bores
which the bearings are to be installed should be toleranced and manufactured to
tight total runout, profile and orientation tolerances
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