thrust-ball-bearing

How to correctly install a plane thrust ball bearing?

284 Published by admin Jun 28,2018

Plane thrust ball bearing mainly bear axial loads during use, and they are widely used. Although the plane thrust ball bearing installation method is relatively simple, but the actual maintenance operation is often a problem, the most common is the bearing tight ring and loose ring installation location is not correct, resulting in the bearing does not work properly, the journal quickly It was damaged. The tight ring is mounted on the end face of the stationary part, ie it is incorrectly assembled. The inner ring of the tight ring is in transition with the journal. When the shaft rotates, it will bring the tight ring and friction with the end surface of the stationary part. When subjected to the axial force (Fx), the friction torque will be larger than the inner resistance torque, This results in forced rotation of the tight ring and the shaft mating surface, exacerbating the wear of the journal. thrust ball bearing nsk brand
Therefore, when installing a plane thrust ball bearing, pay attention to the following three points:
First, distinguish the tight ring and loose ring of the plane thrust ball bearing (according to the size of the bearing inner diameter, the difference in the hole diameter is O.1~O.5mm).
Second, the stationary parts of the mechanism (that is, parts that do not move, mainly refer to the assembly).
Third, in any case, the loose ring of the bearing should always be against the end face of the stationary part.

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