Double row angular contact ball bearing can be skewed between inner and outer ring is limited, allows the Angle depends on the bearing internal clearance, bearing, size, internal design and the effect on the bearing force and moment, and the maximum allowable slope Angle should guarantee won't produce too much of the additional stress in the bearing.
If the Angle between bearing inner and outer ring, will affect the service life of bearing, at the same time cause the loss of precision bearing operation, running noise increases. Double row angular contact ball bearing usually use nylon cage entity or brass cage. Double row angular contact ball bearing installation should pay attention to, while bearing can be subject to bi-directional load, but if one side has put ball gap, should be paid attention to, don't let the noise of main axial load through a gap on one side of the river bank. In the bearing is not with the ball should be paid attention to when using gap on one side of the raceway under main load
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