Small Diameter Cutter Head and Thrust Bearing Assembly is available in different sizes ranging from 24 inches or 600 mm to 72 inches or 1.8 m. The Thrust Bearing Assembly is welded to the lead casing and can be steered to maintain line and grade. The Thrust Bearing Assembly can be used with any auger boring machine varying from 36 inches [900 mm] to 72 inches [1.8 m]. Small Diameter Cutter Head and Thrust Bearing Assembly contains a high-thrust bearing and is equipped with mini disc cutters that come in three size ranges.
