Thin section bearings

High speed bearing installation and adjustment:
1. high speed bearing fit and clearance due to the high speed bearings according to requirements of high precision bearings, and required by the high temperature bearings, so when considering the fit and clearance, to take into consideration the following two points:
(1) rose from room temperature to high temperature dimensional change and hardness changes;
(2) high-speed centrifugal force caused by the force of change and shape change.
In short, in conditions of Slewing drives, high temperature, from coordination and clearance on the choice to try to keep the accuracy and performance of the bearing, which is difficult.
In order to ensure that after installation of bearing Raceway deformation is small, KOYO 7319AC angular contact ball bearings fit interference cannot be made too large, of centrifugal force and high speed and high temperature thermal expansion, or offset the mating surfaces of the normal pressure.Or Flange Slewing Bearing relaxing the mating surfaces, interference must therefore consider the premise of these two factors carefully calculated effective interference at room temperature under normal speed for high precision bearings may be invalid.