Double-row spherical roller bearings have spherical raceways in the outer rings of two rows of rollers. They can handle large radial loads and are able to bear axial load in any direction.
Angular contact ball bearing, also known as acbb bearing, is a kind of inseparable bearing, the side shoulders of inner ring and outer ring are uneven. In order to increase the load capacity, one of the side shoulder will be lower than the other. This kind of bearings has raceways both on inner ring and outer ring.
It can bear simultaneously radial load and single row axial load. According to contact angle, it is classified into 3 types: small, medial and big cone angle.
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