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
25 mm x 52 mm x 15 mm SKF 1205 EM Self Aligning Ball Bearings	Sleeve Bearings	16.0	N/A	0
100 mm x 180 mm x 46 mm SKF 2220 K Self Aligning Ball Bearings	Sleeve Bearings	10.0	N/A	0
90 mm x 160 mm x 40 mm SKF 2218 KM Self Aligning Ball Bearings	Cam Followers Yoke Type	0.0	N/A	0.068
SKF 2203 ETN9/C3 Self Aligning Ball Bearings	Pillow Block Bearings	0.0	N/A	67 lb
35 mm x 72 mm x 17 mm SKF 1207 EM Self Aligning Ball Bearings	Roller Bearings	192.0	N/A	2.27
SKF 1218/C4 Self Aligning Ball Bearings	Bearings	0.0	N/A	0.074
TIMKEN 1308S Self Aligning Ball Bearings	Sleeve Bearings	4.0	N/A	0
NSK 2302J Self Aligning Ball Bearings	Sleeve Bearings	8.0	N/A	0
NSK 2302ETN Self Aligning Ball Bearings	Sleeve Bearings	4.0	N/A	0
NSK 2221J Self Aligning Ball Bearings	Bearings	0.0	N/A	0
FAG 2308-C3 Self Aligning Ball Bearings	Bearings	0.0	N/A	118.999
FAG 2307-K-M-C3 Self Aligning Ball Bearings	Tapered Roller Bearings Assembly	0.0	N/A	1.18