Angle touch bearing touch point of view

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Angle touch bearing touch point of view

Source: Bearing network time: 2018-03-19
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In the angular contact ball bearing; under the axial force effect; the line connecting the ball and the touch point of the inner and outer ring raceways and the angle formed perpendicular to the plane of the bearing axis; commonly known as the touch angle. The size of the antennae "α" is greatly Affects the working function of the angular touch ball bearing. Generally speaking; can think that; with the increase of the touch angle, the axial stiffness of the bearing is also improved; but it is not conducive to the radial stiffness; the large touch angle is not conducive to high-speed rotation. Therefore; pick the touch angle; closely combine the application research, keep in mind the end function requirements. From the life, speed and stiffness; the best solution is to use the bearing set with different touch angle; the nominal touch angle of the SNFA bearing It is 12°; 15°; 18°; 25°, which is mainly used for BS series carrying large axial thrust load; its nominal touch angle is 62°.
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