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.
 

55 mm x 120 mm x 43 mm skf 2311 KM Self-aligning ball bearings

53000 r/min 44.6 mm
1.04 4.762 mm

50 mm x 110 mm x 40 mm skf 2310 E-2RS1TN9 Self-aligning ball bearings

133.400 mm 3230000 N
220 mm METRIC

40 mm x 90 mm x 23 mm skf 1308 EM Self-aligning ball bearings

24032SWRCg2E4 2,1 mm
680 kN 240

25 mm x 62 mm x 17 mm skf 1305 ETN9 Self-aligning ball bearings

SF3806DB 66,000 mm
190,000 255,000

17 mm x 47 mm x 19 mm skf 2303 M Self-aligning ball bearings

1.2 kg 140 mm
WS81228 140,000

55 mm x 110 mm x 22 mm skf 1212 EKTN9 + H 212 Self-aligning ball bearings

4012802446494 2480 1/min / Limitin
2.095 4.016 Inch | 102 Mil

60 mm x 120 mm x 23 mm skf 1213 EKTN9 + H 213 Self-aligning ball bearings

55,000 105,000 mm
105,000 55,000 mm

80 mm x 190 mm x 64 mm skf 2318 K + H 2318 Self-aligning ball bearings

1,5 mm 116 kN
1,5 mm 8000 r/min

50 mm x 100 mm x 21 mm skf 1211 EKTN9 + H 211 Self-aligning ball bearings

203.2 mm Stamped Steel
4.320 mm 912.5

45 mm x 100 mm x 36 mm skf 2309 EKTN9 Self-aligning ball bearings

7309-B 25
45 mm x 100 mm x 36 mm 45

70 mm x 140 mm x 33 mm skf 2216 EKTN9 + H 316 Self-aligning ball bearings

52,000 NTN
28,500 mm 15,000

100 mm x 180 mm x 46 mm skf 2220 K Self-aligning ball bearings

100 mm 260 kN
100 40 mm
1/15