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How to use the bearing remover

Author:admin   Date:2022-12-22
1. Removal of outer ring
Dismantle the outer ring of interference fit, set several screws for extruding the outer ring screw on the 8-shaped side sheet of the shell in advance, tighten the screw evenly on one side, and disassemble at the same time. These screw holes are usually covered with blind plugs, tapered roller bearings and other separate bearings. Several notches are set on the housing shoulder, and the circuit breaker bearing pad is used for disassembly with a press or by tapping gently.
2. Removal of cylindrical hole bearing
The removal of the inner ring can be used to pull out the seawater resistant bearing with a pressure machine. At this time, pay attention to let the inner ring bear its pulling force.
The inner ring of large bearing is disassembled by oil pressure method. The oil pressure is applied through the oil hole arranged on the shaft to make it easy to pull. For bearings with large width, oil pressure method and drawing fixture shall be used together for disassembly. The inner ring of NU and NJ cylindrical roller bearings can be disassembled by induction heating. The method of drawing after heating the part in a short time to expand the inner ring.
3. Removal of tapered hole bearing
Remove the relatively small bearing with tight sleeve, support the inner ring with the stop fastened on the shaft, turn the nut back several times, and then use the cushion block to knock it with a hammer for removal.
For large bearings, it is easier to disassemble the bearing by using oil pressure. It is a method of disassembling the bearing by pressurizing oil in the oil hole on the tapered hole shaft to expand the inner ring. During operation, the bearing may suddenly come out. It is better to use the nut as a stop.

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