Spherical
ball bearings are actually a variant of deep groove ball bearings, PTFE
bearings is characterized by its outer diameter of the outer surface of
the spherical surface, which can be assigned to the I concave spherical
spherical bearing seat play a role in self-aligning . Although
its basic performance and deep groove ball bearings should be similar,
but because most of these bearings are used in rough machinery,
installation of self-lubricating thrust washer bits are not precise
enough, the axis of the shaft hole with a poor neutral ,
Or the shaft length and deflection, etc., and the bearing itself is not
high enough accuracy, and some rough structure, so the performance of
the actual performance of the same specifications of deep groove ball
bearings to be marked with a considerable discount. For
example, with non-oil self-lubricating compound bearing top wire
spherical ball bearings used in the poor rigidity of the large shaft
deflection, this bearing with seals on both sides, can be closely to
prevent dirt intrusion, the factory has been filled with the right
amount of lubricant, Without cleaning prior to installation, no additional lubricant is
required and the top screw on the projecting end of the bearing inner
ring is tightened on the shaft. The permissible axial load shall not
exceed 20% of the rated dynamic load.
With
eccentric sleeve spherical ball bearings and top wire ball bearing
performance is basically the same, but the top wire is not in the inner
ring, but in the eccentric sleeve. The
bore of the conical bore spherical ball bearings is a tapered bore with
a taper of 1:12 and can be mounted directly on the tapered shaft or
mounted on the shaftless shaft with a tight bushing and the bearing
clearance can be fine-tuned.
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