NTN Bearing de Mexico, S.A.

Self Aligning Ball Bearings

Self-aligning ball bearings have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are available open or sealed. The bearings are insensitive to angular misalignment of the shaft relative to the housing (fig. 1), which can be caused, for example, by shaft deflection.

This type of ball bearing is recommended when alignment of the shaft and housing is difficult and the shaft may flex. The outer ring has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. Pressed steel cages are usually used. Since the contact angle is small, the axial load capacity is low. The permissible dynamic misalignment is approximately 0.07 to 0.12 radian (4 to 7 degrees) under normal loads.
However, depending on the surrounding structure, such an angle may not be possible.

CONSOLIDATED BEARING 2320 Self Aligning Ball Bearings
13.5 kN
Precision Ball Beari
CONSOLIDATED BEARING 2207E-K 2RS Self Aligning Ball Bearings
90 mm
256 kN
CONSOLIDATED BEARING 2207-2RS C/3 Self Aligning Ball Bearings
183 kN
4900 r/min
CONSOLIDATED BEARING 2207-K 2RS Self Aligning Ball Bearings
183669 lbf
MSM135BRHATL
CONSOLIDATED BEARING 2318 M C/3 Self Aligning Ball Bearings
82 mm
150 kN
CONSOLIDATED BEARING 2207-K C/3 Self Aligning Ball Bearings
525 kN
53 mm
CONSOLIDATED BEARING 2207-K Self Aligning Ball Bearings
3
7,040.00
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