Self-aligning ball bearings

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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.

Bearing Number	Bore Dia	Outer DIa	Width	Size
110 mm x 200 mm x 38 mm skf 1222 Self-aligning ball bearings	52100 Chrome steel,	1.6870	3.5625	2.0700
10 mm x 30 mm x 14 mm skf 2200 ETN9 Self-aligning ball bearings	65	4 mm	375	3
65 mm x 140 mm x 48 mm skf 2313 Self-aligning ball bearings	30,2 mm	30,2 mm	3306	36,1 kN
55 mm x 120 mm x 43 mm skf 2311 K Self-aligning ball bearings	0,334 Kg	70 mm	20,776 kN	ISB
70 mm x 150 mm x 51 mm skf 2314 Self-aligning ball bearings	0,141 Kg	15 mm	1205	12000 r/min
75 mm x 160 mm x 55 mm skf 2315 Self-aligning ball bearings	5700 N / Dynamic loa	12	20	12 mm
80 mm x 170 mm x 58 mm skf 2316 Self-aligning ball bearings	ISO	25	28	47 mm
35 mm x 72 mm x 17 mm skf 1207 ETN9 Self-aligning ball bearings	35 mm	16 mm	58 mm	12000 r/min
95 mm x 200 mm x 67 mm skf 2319 M Self-aligning ball bearings	No	0.709 Inch \| 18 Mill	0.0	0.984 Inch \| 25 Mill
100 mm x 215 mm x 73 mm skf 2320 Self-aligning ball bearings	1,1 mm	90	125 mm	15 °
110 mm x 200 mm x 53 mm skf 2222 KM Self-aligning ball bearings	HK2520	25 mm	0,0323 Kg	32 mm
90 mm x 160 mm x 30 mm skf 1218 Self-aligning ball bearings	90 mm x 160 mm x 30 mm	64 mm	230	591 kN