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Miniature self aligning ball bearing consists of two rows of balls and a common concave sphered raceway in the outer ring and the inner ring, so this type of bearings is suitable for applications where misalignment can arise from errors in mounting or from shaft deflection.   


The miniature self-aligning ball bearing 100 series is available in open and sealed versions, it’s normally with cylindrical bore, but in tapered bore (suffix K) is also available. The inner ring inner diameter is a tapered bore bearing that can be mounted directly. Or use the adapter sleeve (suffix H) and the removal cylinder to mount on the cylindrical shaft. There are several cage options for the self-aligning ball bearing, steel stamping cage, polyamide forming cage and brass cage.


The self-aligning bearing is mainly subjected to radial loads and can withstand small axial loads. The axial displacement of the shaft (outer casing) is limited to the clearance limit, and has automatic self-aligning performance, allowing normal operation under the condition that the inner and outer sides are relatively inclined, and is suitable for the parts in which the support seat hole cannot strictly guarantee the coaxiality.



The self-aligning ball bearings are widely used in low noise motors, automobiles, motorcycles, metallurgy, mill, mining, petroleum, paper, cement, squeezed sugar industry and other machinery.

Bearing ModelDimensions(mm)Weight(kg)
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