How to remove and install the outer spherical bearing?
Release time:
2023-09-04
The inner ring of the spherical bearing is fixed on the shaft through the eccentric sleeve, and the inner hexagon screw on the eccentric sleeve plays a fastening role. In the maintenance process, many operators do not know how to disassemble such bearings, so it is necessary to introduce the technical points and precautions for disassembly and assembly of outer spherical bearings:
Removal
1. First loosen the locking screw on the bearing eccentric sleeve with an Allen wrench, then insert a small iron rod into the countersunk hole on the eccentric sleeve of the top cover, and loosen the eccentric sleeve against the rotation direction of the shaft.
2. Loosen the bolts securing the bearing housing. Remove the bearing and bearing carrier from the shaft. Pay attention before removing the bearing seat at one end of the shaft. Loosen the bearing seat bolts at the other end of the shaft to avoid damage to the bearings at both ends.
Installation
1. Before installing the bearing on the shaft, the fixing pin of the bearing sleeve must be removed, the surface of the journal should be polished and cleaned, and the journal should be oiled to prevent rust and lubricate (let the bearing rotate slightly on the shaft) shaft).
2. Apply lubricating oil on the mating surface of the bearing seat and the bearing, and install the bearing into the bearing seat. Then put the assembled bearing and bearing seat on the shaft. Push it to the desired installation position.
3. Do not tighten the bolts fixing the bearing seat first, so that the bearing sleeve can rotate in the bearing seat. Also install the bearing and seat on the other end of the same shaft, rotate the shaft several times, and let the bearing itself automatically find the position. Then tighten the bearing housing bolts.
4. Install eccentric sleeve. First, the eccentric sleeve is sleeved on the eccentric step of the bearing inner sleeve and tightened by hand along the rotation direction of the shaft. A small iron rod is then inserted or pushed into the countersunk hole on the eccentric sleeve. Use a hand hammer to strike a small iron rod in the direction of rotation of the shaft. Ensure that the eccentric sleeve is installed firmly, and finally tighten the hexagon socket screws on the eccentric sleeve.
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