Tips for disassembling the outer spherical bearing

Source: China Bearing Network Time: 2017-10-20

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The outer spherical bearing is a spherical outer surface of the outer ring of the bearing; the active spherical bearing with sealing cover on both sides of the bearing. The 390000 series outer spherical bearing is commonly used in agricultural machinery; in Xinjiang 1, 2, Futian, Huaxia, etc. This type of bearing is widely used; more than 30 discs are used on one locomotive. The 390000 series outer spherical bearing is used to fix the inner ring of the bearing and the shaft through the painful sleeve; the hexagonal screw on the painful sleeve is fastened. Effect. In the repair; many operators will not disassemble this kind of bearing; therefore, it is necessary to analyze the key skills and precautions for disassembling the 390000 series outer spherical bearing:
First, open 1. First use the Allen key to loosen the locking screw on the bearing's painful sleeve; then use a small iron rod to puncture the counterbore on the top cover of the top cover; and loosen the partial pain sleeve against the direction of rotation of the shaft.
2. Loosen the bolts that secure the bearing housing. Remove the bearing from the shaft together with the bearing housing. Note the shaft housing at the end of the shaft. The bearing block bolt at the other end of the shaft should be loosened; the two bearings should be prevented from being damaged by each other.
Second, the device 1. Before the bearing is mounted on the shaft; the fixing pin of the bearing casing must be unplugged; the outer surface of the journal is polished and cleaned together; and the oil is rust-proof and smooth at the journal (allowing the bearing to slightly change on the shaft).
2. Apply smooth oil to the bearing seat and bearing joint; install the bearing into the bearing housing. Then place the mounted bearing on the shaft together with the bearing housing. Push to the desired position to carry out the device.
3. The bolts of the fixed bearing housing should not be tightened first; the bearing housing should be able to change in the bearing housing. The same bearing and seat on the same shaft are installed; the shaft is converted into several turns; the bearing itself is actively positioned to correct the position. Fasten the bearing block bolts.
4. Install a partial pain set. First set the partial pain on the painful step of the inner sleeve of the bearing; and tighten the direction of rotation with the hand. Then prick the small iron rod into or against the counterbore on the painful sleeve. 1. Use the hammer to strike the small iron rod in the direction of rotation of the shaft. Make the painful device firm; finally lock the hexagonal screw on the painful sleeve.

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