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.
 

90 mm x 180 mm x 46 mm skf 2220 K + H 320 Self-aligning ball bearings
32215M
26.9
100 mm x 215 mm x 47 mm skf 1320 K Self-aligning ball bearings
100 mm x 215 mm x 47 mm
32 mm
75 mm x 130 mm x 25 mm skf 1215 K Self-aligning ball bearings
6.5 in
0.03 in
100 mm x 200 mm x 38 mm skf 1222 K + H 222 Self-aligning ball bearings
1100 kN
200 mm
65 mm x 120 mm x 23 mm skf 1213 ETN9 Self-aligning ball bearings
280 mm
65 mm x 120 mm x 23 mm
25 mm x 62 mm x 24 mm skf 2305 M Self-aligning ball bearings
2.540 mm
64000 N
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Self-aligning ball bearings
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