Spherical bearing disassembly techniques

Spherical bearing is a spherical bearing outer race out surface , sealing shields on both sides of the bearing self-aligning bearings.
390000 series spherical bearings are commonly used on agricultural machinery in Xinjiang , Fukuda , Zhongyuan combine harvesters , have widely adopted this bearing , a locomotive used on up to 30 disks. 390000 series spherical bearings through eccentric shaft fixing the bearing inner ring and eccentric sleeve socket head cap screws from the clamping action . In the maintenance , many machine hand will not dismantling the bearings , it is necessary to introduce the spherical bearing disassembly 390,000 series of technical points and considerations:
A , demolition
1 first with a hex wrench to loosen the eccentric sleeve bearing locking screw , and then cover with a small iron bar into the sink hole eccentric sleeve , against the direction of rotation axis eccentric to play loose .
(2) Loosen the bearing bolts. Together with the bearing removed from the shaft bearing . Note that the demolition before the shaft end bearing . Should be the other end of shaft bearing bolts loose, coloured cable ties so both ends of the bearing strength and damage each other .
Second, the installation
1 before installing the bearing to the shaft , you must unplug the jacket bearing retainer pin , while the journal surface polished smooth and clean , and in the journal at the oiled rust and lubrication ( to allow the bearing on the shaft slightly rotated ) .
(2) with the bearing and the bearing lubricant topcoat , the bearing into the bearing housing . Then the assembled bearing and housing units along the shaft . Pushed to the desired location for installation.
3 mounted eccentric . Condom at first eccentric eccentric sleeve bearing on the steps and along the axis of rotation by hand tightening . Then insert a small iron bar or withstand eccentric sleeve sink hole hand hammer percussion along the axis of rotation of small bars of iron. makes eccentric securely installed , and finally the eccentric sleeve locking hex screws .
4 Fixed bearing bolts do not tighten , plastic seals let bearing jacket can rotate within the bearing . Also installed the other end of the shaft with a bearing and seat , rotate the shaft several turns to the bearing itself automatically find the positive position . Then bearing bolt is good.