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.In a self-aligning bearing, the inner ring has two raceways and the outer ring has a single spherical raceway with its center of curvature coincident with the bearing axis. This allows the axis of the inner ring, balls and cage to deflect around the bearing center to automatically correct misalignment caused by housing and shaft machining or installation error.

Bearing Number	Bore Dia	Outer DIa	Width	Size
NSK 2303-2RSTN Self Aligning Ball Bearings	Yes (with retaining	[Steel] Steel	8	Deep Groove Ball Bea
NSK 2302-2RSTN Self Aligning Ball Bearings	30 ～ 50	Double	T-Shaped	Yes (with retaining
NSK 1213KJ Self Aligning Ball Bearings	No	No	Standard	No
NSK 1212KTN Self Aligning Ball Bearings	6902	15	Not Provided	No
NSK 1211TN Self Aligning Ball Bearings	Screw Type	1045 Carbon Steel	Electroless Nickel P	12
NSK 1210KJ Self Aligning Ball Bearings	3.59 Hz	0.13 kN	-40 °C	NTN
NSK 1209KTN Self Aligning Ball Bearings	Diamond Flange Shape	No	Cast Iron	17
NSK 1207J Self Aligning Ball Bearings	Clear Anodize	Flange Type	Available	6
NSK 1206KTN Self Aligning Ball Bearings	52100 Bearing Steel	Round Type	S (for Oil Seal)	Available
NSK 1205TN Self Aligning Ball Bearings	3 ～ 50	Electroless Nickel P	Negative Tolerance	Low Carbon Steel
NSK 1216KJ Self Aligning Ball Bearings	M10	10 mm	12.5 mm	44.3 mm
NSK 1215KJ Self Aligning Ball Bearings	-20 °C	8.4 kN	120 °C	8.76 Hz