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Types of Bearings
	Double Row Angular Contact Ball Bearings: The design of these bearings corresponds to a pair of single row angular contact. These bearings are available either with no axial play or with limited amount of axial play. Double row angular contact bearings are characterized by a high load carrying capacity. They can carry substantial amount of radial load as well as axial load. These bearings are particularly suitable where rigid axial location of rotating mechanism is necessary.
Double Row Self Aligning Ball Bearings: In this type of bearings the track on the outer race is ground spherical and its this feature which gives these bearings the property of self alignment. Due to the character of self alignment these bearings are not affected by the shaft deflection and mounting errors and a shaft deflection up to 4^o is automatically adjusted without damaging the bearings. These bearings are chiefly designed for carrying radial loads but at the same time they are capable to carry small thrust load in both directions. Load carrying capacity of these bearings are slightly less than that of a single row deep groove ball bearings of same dimensions.