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.
 

NSK 30bd5222dum6 Bearing

110 min 6418  
192.000 kN 3 200 min-1

50 mm x 110 mm x 40 mm skf 2310 E-2RS1KTN9 Self-aligning ball bearings

34.925 mm 39.98 mm
S 9x1.3/8 18

55 mm x 100 mm x 21 mm skf 1211 ETN9 Self-aligning ball bearings

23.00 mm 4300 rpm
1.50 mm 65500 N

30 mm x 72 mm x 27 mm skf 2306 E-2RS1TN9 Self-aligning ball bearings

H7 0.5 m/s
25 N/mm² 0 m/s

180 mm x 280 mm x 74 mm skf 13036 Self-aligning ball bearings

9.4 7.81 mm
115.4 mm 1

20 mm x 62 mm x 17 mm skf 1305 EKTN9 + H 305 Self-aligning ball bearings

90.0000 mm One Seal
43600 N 10000 rpm

60 mm x 120 mm x 31 mm skf 2213 E-2RS1KTN9 + H 313 E Self-aligning ball bearings

0.040 in 76500 N
6.5000 in 63700 N

60 mm x 130 mm x 46 mm skf 2312 M Self-aligning ball bearings

149.225 mm EPR 18
298.45 mm 23034 CCK/W33

100 mm x 215 mm x 47 mm skf 1320 Self-aligning ball bearings

295.275 mm 39 kg
105 kN 5/8-11 UNC

17 mm x 40 mm x 16 mm skf 2203 E-2RS1TN9 Self-aligning ball bearings

1650 r/min 387.35 mm
3/8 NPT 5

95 mm x 200 mm x 45 mm skf 1319 K Self-aligning ball bearings

388 mm BC4.10/W33WI
410 mm 10 mm

60 mm x 130 mm x 46 mm skf 2312 K Self-aligning ball bearings

1220 kN 90 mm
Steel/steel, heavy-d 4 mm
1/13