Preloading method for preload-adjustable rolling bearing and man

Details Preloading method for preload-adjustable rolling bearing and man Preloading method for preload-adjustable rolling bearing and man

1993-02-22

1994-08-30

Cuda, Irene

Metal working

Method of mechanical manufacture

Process for making bearing or component thereof

29898, B23P 1500

Patent

active

053415698

ABSTRACT:
A preload-adjustable bearing is constructed of a first rotary unit and second rotary unit. The first rotary unit has a first race and second race arranged immobile in a direction approaching toward each other. The second rotary unit has a third race and fourth race. The third race is located opposite the first race while the fourth race is located opposite the second race. The third race is fixed relative to the second rotary unit in a direction away from the fourth race. The fourth race is fitted with the second rotary unit with an interference formed therebetween movably relative to the second rotary unit. The fourth race is movable toward the third race under axial pressure applied between the fourth race and the second rotary unit. To preload the bearing, axial pressure is applied between the fourth race and the second rotary unit and then, the third race is moved toward the fourth race while measuring a preload between the first, second, third and fourth races and the first and second rows of balls so that the preload is set at a predetermined value. The bearing can be manufactured by forming at least one race groove in the fourth race after the fitting of the fourth race with the second rotary unit.

REFERENCES:
patent: 3581362 (1971-06-01), Turner
patent: 3651550 (1972-03-01), Bennett
patent: 4476614 (1984-10-01), Pittroff
patent: 4713704 (1987-12-01), Voll et al.
patent: 4900958 (1990-02-01), Kitahara et al.
patent: 5045738 (1991-09-01), Hishida et al.
patent: 5144743 (1992-09-01), Kempas
patent: 5206993 (1993-05-01), Brough

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