Summary of bearing selection 
 Bearing type, type and size are varied. To make mechanical devices to play the expected performance, choose the most suitable bearing is essential. For the selected bearing, need to analyze many to be due, from all angles to study, evaluate the choice of bearing procedures, no special requirements, but generally the following order: 
 (1) master the use of mechanical devices and bearing conditions 
 (2) clear requirements of the bearing 
 (3) the type of bearing selected 
 (4) bearing configuration selected 
 (5) selected bearing size 
 (6) selected bearing specifications 
 (7) The installation method selected bearing