China High Efficiency Gz Electromagnetic Vibrating Feeder, Find details about China Gz Electromagnetic Vibrating Feeder, Electromagnetic Vibrating Feeder from High Efficiency Gz Electromagnetic Vibrating Feeder - Henan Zhengzhou Mining Machinery .For efficiency, the spherical roller bearings are aligned with the feeder skirt providing direct force transfer from the vibrator shafts to the feeder frame. The oil flow control keeps bearing temperatures cooler and the large gear circumference increases gear life. All of these design features mean long service life and high efficiency.