Underwater anti-interference angular contact ball bearing

The underwater anti-interference angular contact ball bearing comprises an outer ring, an inner ring, a rolling body, a protective net and a spring ring, the inner ring is arranged in the outer ring, a circle of outer arc surface raceway is arranged in the middle of the outer circumferential face of the inner ring, a circle of inner arc surface raceway is arranged in the middle of the inner circumferential face of the outer ring, a plurality of rolling bodies making contact with the raceways are arranged between the outer arc surface raceway and the inner arc surface raceway in the circumferential direction, and a protective net is arranged on a tooth opening of the outer ring. The two end faces of the inner ring are in clearance fit with the protective net and are axially limited by the protective cover, the protective net is fixed by the spring ring clamped on the inner concave surface of the outer ring, and the outer ring, the inner ring, the protective net and the spring ring are all made of corrosion-res