Self Aligning Ball Bearings

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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.

Bearing Number	Bore Dia	Outer DIa	Width	Size
SKF 1209 EKTN9/W64 Self Aligning Ball Bearings	Bearings	0.0	N/A	0.01
SKF 1209 EKTN9/C3W64 Self Aligning Ball Bearings	Precision Ball Bearings	0.0	N/A	0
SKF 1207 EM/C5 Self Aligning Ball Bearings	Bearings	0.0	N/A	0.01
SKF 1220/W64 Self Aligning Ball Bearings	Bearings	0.0	N/A	0.172
SKF 1222/C3 Self Aligning Ball Bearings	Bearings	0.0	N/A	0.005
SKF 1218/W64 Self Aligning Ball Bearings	Pillow Block	0.0	N/A	2.751
SKF 1219/C3 Self Aligning Ball Bearings	Cam Followers Stud Type	3.0	N/A	0.027
SKF 1216/W64 Self Aligning Ball Bearings	Bearings	0.0	N/A	0
SKF 1214 ETN9/W64 Self Aligning Ball Bearings	Mounted Units & Inserts	0.0	N/A	0
SKF 1214 ETN9/C3 Self Aligning Ball Bearings	Bearings	0.0	N/A	0.004
SKF 1213 EKTN9/W64 Self Aligning Ball Bearings	Cam Followers Stud Type	0.0	N/A	0
SKF 1213 EKTN9/C3W64 Self Aligning Ball Bearings	Pillow Block	0.0	N/A	9.988