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Installation of Spherical Roller Bearings

wallpapers Resource 2020-05-20

Installation of Spherical Roller Bearings

 
A bearing with a drum roller is arranged between an inner ring with two raceway and an outer ring with a spherical raceway. The curvature center of the outer ring raceway surface is consistent with the bearing center, so it has the same centering function as the automatic centering ball bearing. When the shaft and housing appear to bend, the load and axial load in two directions can be automatically adjusted. Radial load capacity is large, suitable for heavy load, impact load. The inner diameter of the inner ring is the bearing of taper hole, which can be installed directly. Or install it on the cylindrical shaft by using a clamping sleeve and disassembly cylinder. The cage is made of steel plate stamping cage, polyamide forming cage and copper alloy.
 
For self-aligning bearings, the use of an intermediate mounting ring prevents the outer ring from tilting and rotating when the shaft bearing is loaded into the box shaft hole. It should be remembered that some sizes of self-aligning ball bearings have balls protruding from the side of the bearing, so the middle mounting ring should be recessed to prevent ball damage. A large number of bearings are generally installed by mechanical or hydraulic pressure method.
 
For separable bearings, the inner ring and the outer ring can be installed separately, which simplifies the installation process, especially when both inner and outer rings need interference fit. When the shaft with the inner ring installed in place is loaded into the bearing box with the outer ring, it is necessary to check whether the inner and outer rings are aligned correctly to avoid scratching the bearing raceway and rolling parts. Installation sleeve is recommended for cylindrical and needle roller bearings with inner ring without flange flange or inner ring with flange flange on one side. The outer diameter of the sleeve shall be equal to the inner raceway diameter F, and the tolerance standard for machining shall be d10. Ramming outer ring needle roller bearings are best mounted using a spindle.






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