BEARING ITALIA S.P.A

NSK 30bd5222dum6 Bearing

 

Self-aligning ball bearings

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.
 

35 mm x 80 mm x 23 mm  skf 2208 EKTN9 + H 308 Self-aligning ball bearings
35 mm x 80 mm x 23 mm skf 2208 EKTN9 + H 308 Self-aligning ball bearings
4 x 7/8-9 UNC
340 r/min
60 mm x 140 mm x 33 mm  skf 1313 EKTN9 + H 313 Self-aligning ball bearings
60 mm x 140 mm x 33 mm skf 1313 EKTN9 + H 313 Self-aligning ball bearings
1.00 mm
8500 rpm
12 mm x 37 mm x 12 mm  skf 1301 ETN9 Self-aligning ball bearings
12 mm x 37 mm x 12 mm skf 1301 ETN9 Self-aligning ball bearings
0.6 mm
104 kN
30 mm x 72 mm x 23 mm  skf 2207 EKTN9 + H 307 Self-aligning ball bearings
30 mm x 72 mm x 23 mm skf 2207 EKTN9 + H 307 Self-aligning ball bearings
19000 rpm
24000 rpm
50 mm x 110 mm x 27 mm  skf 1310 ETN9 Self-aligning ball bearings
50 mm x 110 mm x 27 mm skf 1310 ETN9 Self-aligning ball bearings
1.00 mm
2.50 mm
35 mm x 80 mm x 23 mm  skf 2208 E-2RS1KTN9 + H 308 E Self-aligning ball bearings
35 mm x 80 mm x 23 mm skf 2208 E-2RS1KTN9 + H 308 E Self-aligning ball bearings
20 000 min-1
6301  
65 mm x 120 mm x 31 mm  skf 2213 E-2RS1KTN9 Self-aligning ball bearings
65 mm x 120 mm x 31 mm skf 2213 E-2RS1KTN9 Self-aligning ball bearings
4000 rpm
95200 N
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Deep groove ball bearings
Deep Groove Ball Bearings (6000, 6200, 6300, 6400)
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Needle roller bearings-Needle roller and cage assemblies
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Radial shaft seals for heavy industrial applications
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Roller bearing round flanged units for inch shafts
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Self-aligning ball bearings
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