Pinion Shaft:

Pinion shaft is a very important part of power end of mud pump. It works together with the big gear ring transfer the power to the mud pumps from the power unit. Pinion shaft is made by alloy steel forging. There are herringbone gears on its axle with medium hard tooth surface. For convenient maintenance, single row long cylindrical roller bearings without inner ring ribs are used. Due to the shaft extension, either side of the shaft can be mounted with belt pulleys or chain wheels.