Do you know the disassembly and assembly skills of eccentric locking collar bearing?

The eccentric locking collar bearing is mainly suitable for applications where the direction of rotation is inconvenient. On one side of the inner ring of the bearing, there is an eccentric extension that cooperates with the locking ring. Rotate the locking ring on the inner ring extension in the direction of rotation and tighten the hexagon socket screw on the eccentric sleeve to lock the collar and bearing to the shaft. For example, 390000 series spherical bearings Y-bearings.

In the maintenance, many operators will not disassemble the eccentric locking collar bearing, or install this eccentric locking collar bearing is prone to directional errors, so it is necessary to introduce the disassembly and attention points and attention of such eccentric locking collar bearing. matter:
First, the eccentric locking collar bearing disassembly 1. First use the hex wrench to loosen the locking screw on the eccentric sleeve of the bearing, and then use a small iron rod to insert the counterbore on the eccentric sleeve of the top cover, loosening the eccentricity against the direction of rotation of the shaft set.
2. Loosen the bolts that secure the bearing housing. Remove the bearing from the shaft together with the housing. Note that before the bearing seat at one end of the shaft is removed, the bearing bolts at the other end of the shaft should be loosened to prevent the bearings at both ends from being damaged by each other.

Second, the installation of eccentric locking collar bearing
1. Before installing the eccentric locking collar bearing on the shaft, the bearing pin of the bearing sleeve must be unplugged, and the surface of the journal should be smoothed and cleaned, and the oil should be rust-proof and lubricated at the journal (allowing the bearing to be slightly on the shaft) Turn).
2. Apply lubricant to the bearing seat and bearing mating surface, and install the bearing into the bearing housing. Then assemble the assembled bearing with the bearing housing on the shaft. Push it to the desired position for installation.
3. Do not tighten the bolts of the fixed bearing housing, so that the bearing housing can rotate in the bearing housing. Also install the other end bearing and seat on the same shaft, turn the shaft a few turns, and let the bearing itself automatically find the position. Then fasten the bearing block bolts.

4. Install the eccentric sleeve. First, eccentric sleeve is placed on the eccentric step of the inner sleeve of the bearing, and tightened by hand in the direction of rotation of the shaft. Then insert or hold the small iron rod into the counterbore on the eccentric sleeve. Iron rod. Make the eccentric sleeve securely fast, and finally lock the hexagon socket screw on the eccentric sleeve. b. The bearing with the eccentric sleeve is fastened, the bearing is sleeved on the shaft, and the position is set. Firstly, the eccentric sleeve is rotated in the direction of the shaft, and then the top wire and the shaft are tightened on the eccentric sleeve.

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