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Tapered roller bearings with the shaft and the gap with the shaft
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| Time：2016.10.15 News Sources：Shandong Xinkaite bearing Co.,Ltd. Views：
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Tapered roller bearings installed in the choice of cooperation with the bearing outer ring and the bearing hole should not be used with the interference fit, the inner ring and the journal with the should not be too tight, usually with both hands can just thrust bearings and journal bearings Block is more appropriate.
The most important thing is to adjust the axial clearance. Generally available on the journal of the adjustment nut, adjust the gasket and the bearing hole in the thread or by pre-tensioning spring and other methods to adjust. The size of the axial clearance, and the bearing arrangement of the installation, the distance between the bearing, shaft and bearing materials, can be determined according to working conditions. For high-load high-speed tapered roller bearings, adjust the clearance, you must take into account the impact of temperature on the axial clearance, the temperature rise caused by reduction in the amount of clearance included, that is, the axial clearance to Adjust it a bit more appropriately.
For low speed and vibration bearing, should be taken without clearance installation, so that the tapered roller bearing roller and raceway to produce good contact, load evenly distributed. After adjustment, the axial clearance is measured with a dial gauge. The method is fixed to the fuselage or bearing bracket dial gauge, so that the micrometer contact surface to withstand the smooth surface of the bearing, push the shaft around the axis, the maximum amount of swing is the axial clearance. With the contact angle of the bearing axial clearance adjustment is the pre-tightening force adjustment. In the installation of such bearings should also pay attention to the big end of the tapered roller and the inner ring wall contact good.
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