Pioneer Motor Bearings Co.

About Pioneer Motor Bearings Co.

Pioneer have been manufacturing new bearings since 1920, beginning in San Francisco, California, and radial and thrust bearings for power generation OEMs for 60 years. We manufacture and repair fluid film bearings ranging in size from outside diameters of a few inches to over 100 inches (254 centimeters), though the majority has bore sizes over 14”. With good overhead crane capacity, we efficiently handle bearings weighing up to 10,000 pounds (over 4.5 metric tons) for the largest turbines and generators at work in fossil, nuclear and hydroelectric power plant