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.
 

 

NTN 2209C3 Self Aligning Ball Bearings

55 mm 4 mm
3 mm Cylindrical Bore

NTN 2209 Self Aligning Ball Bearings

Standard 29900
Light 47mm

NTN 2208KC3 Self Aligning Ball Bearings

Std Retainer Grip Tight
210 Series Yes

NTN 2207K Self Aligning Ball Bearings

6700 6206-2rsr-fag
Two Rubber Seals 0.02 KGS

NTN 2208G15 Self Aligning Ball Bearings

Steel Steel
Non-Expansion Steel

NTN 2208 Self Aligning Ball Bearings

12.2 55 mm
Open Cylindrical Bore

NTN 2207KC3 Self Aligning Ball Bearings

15000 Open Type
90mm 115mm

NTN 2207C3 Self Aligning Ball Bearings

20mm 0.117
Standard 11500

NSK 2310TN Self Aligning Ball Bearings

1500 2200
Steel 125mm

NTN 2222K Self Aligning Ball Bearings

23000 630032rs-timken
3.3 6

NSK 1226M Self Aligning Ball Bearings

Baldor-Dodge 2-1/2 X 2-1/2 X 5/16
20 STANDARD PAINT

NSK 1220KJ Self Aligning Ball Bearings

In Stock 22mm
8400 6016 -timken
1/15