Rexnord D40-18-1 Sprocket is a compact Rexnord sprocket designated by the model code D40-18-1, featuring 18 teeth and a shaft-ready bore sized at 1/8 inch, as indicated by the product listing. The listing includes the UNMP designation alongside the model code, reflecting how this sprocket is cataloged as a simple, shaft-mounted component. Designed for use in small-drive chain systems, the D40-18-1 configuration provides reliable engagement with compatible Rexnord chains in light- to moderate-duty conveyor and machinery applications where a compact, low-profile sprocket is required.
