How to install full complement needle roller bearing?

2,048 Published by admin Nov 07,2018

Install a full complement needle roller bearing, usually with an auxiliary sleeve. At this time, the auxiliary roller or the auxiliary sleeve holds the needle without causing the needle to fall out, and the journal picks up the needle with its own chamfer. As the needle bearing moves slowly inward on the journal, the auxiliary roller Or the auxiliary sleeve will slowly withdraw until it is placed in the working position. The outer diameter of the auxiliary roller and the auxiliary sleeve should be 0.1-0.3 mm smaller than the shaft diameter.full complement needle roller bearing

When installing a full complement needle roller bearing, first apply the grease to the inner surface of the bearing outer ring, and place the needle on the inner surface (there should be a gap when placing the last needle), and then replace the journal or full. The auxiliary roller or the auxiliary sleeve of the inner ring of the complement needle roller bearing is pushed into the outer ring hole, and the end surface thereof is aligned with the end surface of the mounting shaft or the end surface of the bearing inner ring which is mounted on the shaft, and then tapped with a press or a hammer put pressure on.
The full complement needle roller bearing can also be installed by applying a thin layer of lubricating oil to the outer diameter of the auxiliary sleeve and inserting the outer ring of the bearing so that the auxiliary sleeve and the outer ring of the bearing form an annular hole and then roll in the annular hole. needle. After loading the needle, push the auxiliary sleeve out with the working shaft.

full complement needle roller bearing seller
For full complement needle roller bearings without inner ring or without outer ring, when installing, first apply a thin layer of grease to the rolling surface of the shaft or housing hole, and apply the needle to the grease at the installation site. on. A gap should be left when the last needle is placed, and the size of the gap is preferably 0.5 mm on the circumference of the full complement needle roller bearing. Can't squeeze the last needle into it, or install a needle less, because the bearing will be stuck and can't rotate when it is hard-pressed; when it is less loaded, the gap is too large, it is easy to cause the needle to occur when the bearing is running. Twist and break.
For the full complement needle roller bearing with only the outer ring, since the outer ring wall is very thin, the needle roller bearing should be hammered and installed by hand hammer, and should be pressed with a press. Because the pressure is uneven when the hammer is struck, it is easy to cause local deformation of the outer ring of the full complement needle roller bearing.

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