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Disassembly method of needle roller bearings

From:SINO BEARINGS2022-08-24
Tap on a method
Knock force general on bearing inner ring, shielding room tapping force should not be added in rolling element bearings and keep on the shelf, this method is simple, but easily damaged bearings, when bearing, at the end of the shaft, use less than the copper rod of bearing inside diameter or other soft metal materials resist shaft end, lower bearing block, hammer knock gently, can be removed. The POSITION THAT APPLIES THIS LAW TO ANSWER TO NOTICE PAD TO PLACE SHOULD BE APPROPRIATE, FOCUS POINT SHOULD BE CORRECT. [1]
Hot tear open method
Used to remove tight fit bearings. First, the oil heated to about 100℃ is poured on the bearing to be removed with an oil can. After the bearing ring is heated and expanded, the bearing can be pulled out with a puller. [1]
Push method
Use press to push the bearing, work stably and reliably, do not damage the machine and bearing shielding room. There are manual push presses, mechanical or hydraulic presses. Note: The pressure point of the press shall be on the center of the shaft, and shall not be biased. [1]
Pull method
Special puller is used. When disassembling, the bearing will be slowly pulled out as long as the handle is rotated. When removing the outer ring of the bearing, the bending Angle of the two legs of the pulling tool should be opened outward; When removing the inner ring of the bearing, the two legs of the pulling tool should be inward and stuck on the end face of the inner ring of the bearing