Vortex XS325-50-R Worm Gear Reducer - 50:1 Ratio, Belt-Drive Input AL1222 Series 30T10/1780US is a timing belt

30T10/1780US is a timing belt used on positive

"mpn":"SPA2057-PIX"

The 2240-8m-25 Timing Belt 8M 25mm x 2240mm OC is a synchronous timing belt with 8M-pitch profile

The BlackStar 80Q70 is a 80 pitch Q roller chain sprocket with 70 teeth

Vortex XS325-50-R Worm Gear Reducer - 50:1 Ratio, Belt-Drive Input AL1222 Series 30T10/1780US is a timing beltThe Vortex XS325 50 R is a worm gear speed reducer with a 50: 1 nominal ratio (exact ratio 50. 0: 1) and 3. 25 inch center distance, configured for belt or chain drive on the input side. The 0. 875 inch input shaft and 1. 375 inch output shaft both have keyways for sheaves and couplings. Output is oriented for right hand output. Specifications Specification Value Part Number Vortex XS325 50 R Series Vortex XS Series Nominal Ratio 50: 1 Exact Ratio 50.