If you are going to import 2200 bearing in stock or you want to check the price with one China 2200 bearing manufacturer, supplier and factory, please feel free to contact Weinuo Machinery.Self aligning ball bearing has two kinds of structures:cylindrical pore and tapered pore. the outer ring raceway spherical surface and automatical adjusted, so it can compensate for the deviation caused by different axial angle. The relative gradient of inner and outer ring should not exceed 3 degree. Retainers are mainly made of steel sheet, synthetic resin,etc.