When installing thrust bearings, the perpendicularity of the shaft washer to the shaft centerline should be checked. The method is to fix the dial gauge on the end face of the box shell, so that the instrument contact head is located on the raceway of the bearing shaft ring while rotating the bearing, and the dial gauge pointer is observed at the same time. If the pointer is skewed, the collar is not perpendicular to the shaft centerline. When the box hole is deep, it can also be checked with an extended dial gauge. When the thrust bearing is installed correctly, the seat automatically adapts to the rolling of the rolling elements, ensuring that the rolling elements are located in the upper and lower raceways. If it is installed upside down, not only will the bearing not work properly, but the mating surface will be severely worn. Since the difference between the collar and the seat collar is not very obvious, extra care should be taken when assembling to avoid mistakes.
In addition, there should be 02-0.5mm clearance to compensate for errors caused by inaccurate machining and installation of parts. When the center of the bearing ring deviates during operation, this clearance ensures that it automatically adjusts, avoiding contact and friction, so that it can operate normally. Failure to do so will cause serious damage to the bearings.
Inspection of thrust bearings after installation.
When installing thrust bearings, the perpendicularity of the shaft washer to the shaft centerline should be checked. The method is to fix the dial gauge on the end face of the box shell, so that the instrument contact head is located on the raceway of the bearing shaft ring while rotating the bearing, and the dial gauge pointer is observed at the same time. If the pointer is skewed, the collar is not perpendicular to the shaft centerline. When the box hole is deep, it can also be checked with an extended dial gauge.
When the thrust bearing is installed correctly, the housing ring automatically adapts to the rolling of the rolling elements, ensuring that the rolling elements are located on the upper and lower raceways. If it is installed upside down, not only will the bearing not work properly, but the mating surface will be severely worn. Since the difference between the collar and the seat collar is not very obvious, extra care should be taken when assembling to avoid mistakes. In addition, there should be 02-0.5mm clearance to compensate for errors caused by inaccurate machining and installation of parts. When the center of the bearing ring deviates during operation, this clearance is automatically adjusted to avoid contact and friction, so that it can operate normally. Failure to do so will cause serious damage to the bearings.
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