Boston Gear F715-50-B5-G Speed Reducer 50:1 56C
A 50:1 worm speed reducer with a 56C motor frame, delivering up to 35 RPM and 315 in-lb torque from 0.25 hp input
- 50:1 ratio cuts speed to 35 RPM for precise control
- C-Face 56C mount fits standard NEMA motors directly
- Cast iron housing with tapered roller bearings handles 315 in-lb output
- 25 hp input rating suits light-duty automation tasks
- Worm gear design allows CW/CCW rotation at any mounting angle
Boston Gear F715-50-B5-G Speed Reducer
The Boston Gear F715-50-B5-G is a worm-gear speed reducer with a 50:1 ratio and a C-face input for 56C frame motors. It delivers a maximum output speed of 35 RPM and a maximum output torque of 315 in-lb. The cast-iron housing mounts at any angle and uses tapered roller bearings. Maximum input horsepower is 0.25 hp.
Suitable for fixed-ratio reduction on 56C motors
This unit suits applications needing a 50:1 reduction where the motor frame matches the 56C C-face pattern and the load stays within 315 in-lb. It is not for buyers who need a different gear ratio, a higher input horsepower rating, or an input connection other than C-face 56C. Overhung loads above 150 lb also fall outside its rating.
No bundled accessories or software included
The product ships as the speed reducer alone; no mounting hardware, lubricant, or software is bundled. Installation requires separate hardware compatible with the 1.54 in worm center distance and 1.91 in base-to-center dimensions. California Proposition 65 warnings apply for cancer and reproductive harm.
How it compares
Measured against everything we stock in Transmission Fluid & Gear Oil, at today’s prices. Recalculated every night.
- Price $613.99
- Pricier than about 87% of the 118 comparable items (median $40.99).
Specifications
| Product | |
|---|---|
| Brand name | BOSTON GEAR |
Questions about this item
What motor frame size must I already have to mount this 56C speed reducer?
The unit is built for a NEMA 56C frame motor with a C-face input connection.
Will the 1.54 in worm center distance and 1.91 in base-to-center height line up with my existing mounting plate?
Those dimensions set the shaft height and spacing; compare them to your current plate pattern before ordering.
How can I confirm the reducer is delivering the rated 315 in-lb output torque after installation?
Run the motor at full load and verify the output shaft turns at 35 rpm with no abnormal noise or heat.
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