Self-Adjusting Spring Bushings - McMaster-Carr
Self-Adjusting Spring Bushings. A toothed slot lets these bushings contract for insertion into the bore of your sprocket or pulley and then expand for a snug fit. Made of spring steel, they flex under stress and shock and can handle oscillating or slow rotational motion. For technical drawings and 3-D models, click on a part number. OD. Overall.
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