Vortex X133-40-56C-LR Worm Gear Reducer - 40:1 Ratio, 56C NEMA Frame belt-section-5v 1032-8M-85 is a timing belt

1032-8M-85 is a timing belt used on positive

so the B37 interchanges with Gates B37

"name":"Gates 6/5VX1900 Super HC Molded Notch PowerBand Belts 93896190"

Specifications Part Number 120BS23 2 3/16 K2S Chain Pitch 120 Number of Teeth 23 Bore Size 2-3/16" Minimum Bore 1-1/4" Maximum Bore 3-1/2" Bore Type Finished Bore (Keyway + Set Screws) Hub Style Finished Bore Strand Count Single Material Steel Approx

Vortex X133-40-56C-LR Worm Gear Reducer - 40:1 Ratio, 56C NEMA Frame belt-section-5v 1032-8M-85 is a timing beltThe Vortex X133 40 56C LR is a worm gear speed reducer with a 40: 1 nominal ratio (exact ratio 40. 0: 1), 1. 333 inch center distance, and NEMA 56C input flange. Output is a solid 0. 625 inch shaft with a 3 16x3 32 keyway, oriented for double ended output. Specifications Specification Value Part Number Vortex X133 40 56C LR Series Vortex X Series Nominal Ratio 40: 1 Exact Ratio 40. 0: 1 Center Distance 1. 333" NEMA Input Frame 56C Output Orientation