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Tapered bushings supply a lower-value, easy, and quick approach of securing sprockets, pulleys, and couplings on normal metric and imperial shafts in a selection of widespread commercial tolerances and finishes. The tapered surfaces on the bearing pad and mating hub are pushed with each other by higher-toughness screws, enabling the split bearing pad to shrink securely on to the shaft. Sturdy clamping pressure permits substantial torque transfer without the fretting problems related with a simple crucial actuation.
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