Boston Gear 700 Series right-angle single-reduction worm gear speed reducer, model F713-20-B5-G. Features a 20:1 gear ratio, NEMA 56C C-face motor flange, 0.52 HP input rating, 308 in-lb output torque, and 5/8 in input/output shafts with cast iron housing construction.
We have inspected this item and we do not have the capability to install the unit to fully test it. Tested manually by rotating the input shaft; output shaft turns smoothly with proper engagement. Defects noted include minor cosmetic scuffs and scratches along the exterior edges and mounting flange from storage/handling. Please note that this speed reducer is shipped without oil and must be properly lubricated before operation.
Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Made in USA.
Technical Specs
| Item | Speed Reducer |
| Manufacturer Part Number | F713-20-B5-G |
| Maximum Input Horsepower | 0.52 hp |
| Maximum Output Torque | 308 in-lb |
| Overhung Load Capacity | 200 ft-lb |
| Input Connection Type | C-Face |
| Input Shaft Diameter | 5/8 in |
| Output Shaft Type | Round |
| Output Shaft Diameter | 5/8 in |
| Maximum Output Speed | 88 RPM |
| Maximum Input Speed | 1,750 RPM |
| Motor Frame Designation | 56C |
| Worm Center Distance | 1.33 in |
| Base to Shaft Center | 1.75 in |
| Gear Ratio | 20:1 |
| Gear Type | Worm |
| Gear Material | Hardened and Ground Steel |
| Number of Stages | 1 |
| Rotation | CW/CCW |
| Mounting Orientation | Any Angle |
| Lubrication | Klubersynth UH1 6-460 |
| Housing Material | Cast Iron |
| Housing Material Finish | Powder Coated Epoxy Paint |
| Seal Type | Double Lip |
| Bearing Type | Tapered Roller |
| Country of Origin | USA |