Embedded stepless self-locking bearing

The invention discloses an embedded stepless self-locking bearing which comprises an inner ring and an outer ring, a rolling body is arranged between the inner ring and the outer ring, and the embedded stepless self-locking bearing further comprises a locking ring and a power mechanism. The outer wall of the locking ring is in threaded connection with the inner wall of the outer ring, the locking ring can rotate along the outer ring to be close to or away from the inner ring, and when the locking ring makes contact with the inner ring, the inner ring and the outer ring are locked; or the inner wall of the locking ring is in threaded connection with the outer wall of the inner ring, the locking ring can rotate along the inner ring to be close to or away from the outer ring, and when the locking ring makes contact with the outer ring, the inner ring and the outer ring are locked; the power mechanism is in transmission connection with the locking ring and used for driving the locking ring to rotate. According to