Double ditch guide bearing applies Yu various industrial equipment, and small rotary motor, and Office devices, and micro motor soft drive, and pressure rotor, and tooth section teeth drill, and hard disk motor, and step into motor, and VCR drum, toy model, and fan, and pulley, and wheel, and drive equipment, and entertainment equipment, and robot, and medical devices, and Office devices, and detection instrument, and deceleration, speed device, and motor optical, image devices, and reader, electromechanical, and precision mechanical, and electric tool and toy and so on.
Application is so broad, then problem is manufacturers and users will care about length--flange bearing life, such as: double Groove Guide main radial bearing load, can also accommodate radial loads and axial loads. But for flanged bearing life is not very understanding, teach everyone to extend bearing life of 3 of the following measures:
　　
(1) in order to allow the bearing retainer RADIUS with the bearing ring gap than in the direction of eccentricity, to improve the internal structure;
　　
(2) using FEM analysis, through to optimize the shape and thickness, increase cage strength;
　　
(3) in order to prevent the oil as a result of surface damage, design guide Groove in the bearing ring.