DECK BUSHING

ROTARY DECK BUSHING

Rotary Deck Bushings delivers increased drilling production and reduced maintenance costs for blast hole drills. The rotary Deck Bushing is a ball-bearing assembly with 2 or 3 bearing races situated between a stationary outer body and a rotating inner sleeve. The bearings require no lubrication.

The inner bearing race of the rotary bushing will rotate with the drill steel when sufficient surface contact is made by the rotating drill steel as it passes through the center bore of the bushing. The outer race is held stationary in the deck of the drill by locating flats and or lugs positioned on the circumference of the flange that is integral to the outer race. The flange supports the bushing assembly in the deck hole which maintains the central position with the drill steel.