Vibrating Screens Bearing. Explorer Spherical Roller Bearing for Vibrating screens. Designed for vibrating screens Machinery with inherent eccentric motions, such as vibrating screens, demand highly robust bearing designs and materials to reach their full lifecycle potential. SKF Explorer spherical roller bearings VA405 or VA406 help maximize.Mining vibrating screen for ore separation. Four-layer mining vibrating screen has a double-bearing screen box with two flange-mounted bearings on the shaft. It is applied in screening of quarry ore product grading in building materials industry. The outer end of the screen box shaft is equipped with a flywheel and a counterweight and pulley.