BEARING INDUSTRIA CUSCINETTI S.P.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  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.
 

12 mm x 37 mm x 17 mm skf 2301 Self-aligning ball bearings
27 mm
12 mm x 37 mm x 17 mm
15 mm x 42 mm x 17 mm skf 2302 Self-aligning ball bearings
5.1 Inch | 130 Milli
14 mm
17 mm x 47 mm x 19 mm skf 2303 Self-aligning ball bearings
0.6 mm
17 mm x 47 mm x 19 mm
75 mm x 130 mm x 25 mm skf 1215 Self-aligning ball bearings
2
212 mm
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