Thrust roller bearing

Details Thrust roller bearing Thrust roller bearing

2011-04-19

2011-04-19

Hannon, Thomas R (Department: 3656)

Bearings

Rotary bearing

Antifriction bearing

C384S623000

Reexamination Certificate

active

07927022

ABSTRACT:
Even when used at a high rotation speed, outside parts in relation to the radial direction of a cage3, of the circumferential parts of a pocket7are kept from being worn away by outside end surfaces21of rollers2. Moreover the rollers2are kept from sliding on the inside the pockets7, to thereby stabilize the performance of rotation support parts.The outside end surface21of the roller2is made a ball convex surface, so that the center part of the outside end surface21can be freely in contact with the inner peripheral surface of a second outside cylindrical portion14. In a condition with the rollers2displaced radially outward of the cage3due to centrifugal force, a PV value of a rubbing part between the outside end surface21and the opposite surface is kept low, and the wear of this rubbing part is suppressed.

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