Rolling Needle Bearing Removal Method

Knocking

Knocking force is generally added to the bearing inner ring, shielding room knocking force should not be added to the bearing's rolling body and cage, this method is simple and easy to damage the bearing, when the bearing is located at the end of the shaft, with less than the bearing inner diameter of the copper rod or other soft metal material to the shaft end, the lower bearing add pad block, with a hammer gently tap, can be removed. Applying this method should pay attention to the placement of the pads should be appropriate, the focus should be correct.

Heat-dismantling

Used to remove tightly fit bearings. First heating to about 100 degrees C of oil with a fuel pot poured on the bearing to be removed, until the bearing ring is thermally expanded, you can use a puller to pull the bearing out.

Pushing

Use a pressure press to push bearings, smooth and reliable work, do not damage the machine and bearing shielding room. The press has manual push, mechanical or hydraulic press push.

Precautions: The pressure press should focus on the center of the shaft and must not be biased.

Pull-out method

With a special puller, when removed, the bearings are slowly pulled out as long as the handle is rotated. When removing the outer ring of the bearing, the two-foot angle of the puller should be opened outwards, and when removing the bearing inner ring, the two feet of the puller should be inward and stuck on the end face of the bearing inner ring.