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Angular clearance of NSK double row angular contact ball bearings
Fig.1 The relationship between axial clearance and angular clearance 33 series 52 series 53 series 32 series radial clearanceFig.2 The relation between radial clearance and angular clearance NSK double row angular contact ball bearing angular clearance and single row bearing Similarly, the angular clearance of a double-row bearing also refers to the maximum angle at which one of the inner and outer rings is fixed and the other is not fixed and tilted left and right at will. Since the center position can be tilted left and right, the angular clearance is the limit inclination angle of the inner and outer rings: Axial clearance (mm) degrees (under the premise that no moment is generated, the inner and outer rings may be inclined to one side from the center position. 2 times the maximum angle). The relationship between radial clearance and angular clearance of double row NSK angular contact ball bearings is shown in formula (1). The relationship between radial clearance and axial clearance of double row angular contact ball bearings is described in B111. Using this relationship, the relationship shown in Figure 1 is converted into the relationship between the angular clearance and the radial clearance r, that is, the content shown in Figure 2 is obtained. NSK double row angular contact ball bearings 52, 53 series and 32, 33 series are shown in Figure 1 according to the relationship of formula (1). a u003d 2m sin 0 + Ri - 1 - ( +) 2 (1) 2m0 axial clearance ar.
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