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BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 1 hp Input Max, 590 in-lb Output Max, Round - Direct-Drive Right-Angle Speed Reducers
BOSTON GEARDirect-Drive Right-Angle Speed Reducers

BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 1 hp Input Max, 590 in-lb Output Max, Round

The BOSTON GEAR Speed Reducer: 20:1 is a direct-drive right-angle speed reducer from BOSTON GEAR. It features a 20:1 ratio, 88 RPM output, 1 hp input max, and 590 in-lb output max, with a 56C frame and round design…

SKU 3G-OTH-139513

Also listed as: F72120B5G · F721 20 B5 G

Brand
BOSTON GEAR
Item
Speed Reducer: 20:1, 88 RPM, 1 hp Input Max, 590 in-lb Output Max, Round
Category
Direct-Drive Right-Angle Speed Reducers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
F721-20-B5-G
Type
88 RPM, 590 in-lb Output Max, Round, 56C, Any Angle
Input Max
1 hp

Technical Documents

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BOSTON GEAR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BOSTON GEAR Speed Reducer: 20:1 is a direct-drive right-angle speed reducer from BOSTON GEAR. It features a 20:1 ratio, 88 RPM output, 1 hp input max, and 590 in-lb output max, with a 56C frame and round design. This unit is rated for any-angle mounting and is identified by manufacturer part number F721-20-B5-G.

Frequently Asked Questions

What is the BOSTON GEAR F721-20-B5-G speed reducer used for?

The BOSTON GEAR F721-20-B5-G is a direct-drive right-angle speed reducer used to reduce motor speed and increase torque in industrial machinery. It is suitable for conveyors, packaging equipment, and material handling systems where a 20:1 ratio and any-angle mounting are required.

What are the specifications of the BOSTON GEAR F721-20-B5-G speed reducer?

The BOSTON GEAR F721-20-B5-G speed reducer has a 20:1 ratio, 88 RPM output, 1 hp input max, and 590 in-lb output max. It features a 56C frame, round design, and any-angle mounting. The manufacturer part number is F721-20-B5-G.

Where to buy the BOSTON GEAR F721-20-B5-G speed reducer worldwide?

You can source the BOSTON GEAR F721-20-B5-G speed reducer from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the right BOSTON GEAR speed reducer for an application?

To select the right BOSTON GEAR speed reducer, match the input horsepower, output torque, and ratio to your motor and load requirements. The F721-20-B5-G offers a 20:1 ratio, 1 hp input max, and 590 in-lb output max. Ensure the 56C frame and any-angle mounting fit your installation.

Used in

Common applications for BOSTON GEAR
Material handling conveyors — Boston Gear worm gear speed reducers for belt drives
Packaging machinery — Boston Gear helical gear reducers for precise indexing
Food processing equipment — Boston Gear stainless steel speed reducers for washdown environments
Industrial pump drives — Boston Gear clamp collars for shaft coupling alignment
Mixer and agitator systems — Boston Gear oil-impregnated spider inserts for torque transmission
Automated assembly lines — Boston Gear mounting bases for horizontal reducer installation

BOSTON GEAR Products

3G Electric supplies BOSTON GEAR direct-drive right-angle speed reducers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 1 hp Input Max, 590 in-lb Output Max, Round, 56C, Any Angle (MPN F724-20-B5-G)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 1 hp Input Max, 590 in-lb Output Max, Round, 56C, Any Angle (MPN F724-20-B5-G)
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 0.5 hp Input Max, 308 in-lb Output Max, Round, 56C (MPN F713-20-B5-G)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 0.5 hp Input Max, 308 in-lb Output Max, Round, 56C (MPN F713-20-B5-G)
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 2 hp Input Max, 1180 in-lb Output Max, Round, 56C (MPN F726-20-B5-G)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 2 hp Input Max, 1180 in-lb Output Max, Round, 56C (MPN F726-20-B5-G)
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 1 hp Input Max, 590 in-lb Output Max, Round, 140TC/180C (MPN F721-20-B7-G)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 1 hp Input Max, 590 in-lb Output Max, Round, 140TC/180C (MPN F721-20-B7-G)
BOSTON GEAR Speed Reducer: 15:1, 117 RPM, 1.5 hp Input Max, 646 in-lb Output Max, Round, 56C (MPN F721-15-B5-G)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 15:1, 117 RPM, 1.5 hp Input Max, 646 in-lb Output Max, Round, 56C (MPN F721-15-B5-G)
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 0.5 hp Input Max, 295 in-lb Output Max, Round, 56C (MPN F715-20-B5-G)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 0.5 hp Input Max, 295 in-lb Output Max, Round, 56C (MPN F715-20-B5-G)

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BOSTON GEAR Speed Reducer: 60:1, 29 RPM, 0.5 hp Input Max, 670 in-lb Output Max, Round, 56C, AGMA (MPN F724-60-B5-G)
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This direct-drive right-angle speed reducer provides a 30:1 reduction ratio, delivering 58 RPM output from a maximum 9.8 hp input. It offers a maximum output torque of 9603 in-lb and features a round configuration for 210TC/250UC frame motors. Commonly used in industrial power transmission applications such as conveyors, mixers, and material handling equipment
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BOSTON GEAR Speed Reducer: 50:1, 35 RPM, 4.5 hp Input Max, 6751 in-lb Output Max, Round, 180TC/210C (MPN RF752-50E-B9-G)
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BOSTON GEAR Speed Reducer: 30:1, 58 RPM, 1 hp Input Max, 832 in-lb Output Max, Round, 56C, Any Angle (MPN F724-30-B5-G)
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BOSTON GEAR Speed Reducer: 30:1, 58 RPM, 1.5 hp Input Max, 1247 in-lb Output Max, Round, 140TC/180C (MPN F726-30-B7-G)
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Direct-drive right-angle speed reducer with a 20:1 ratio, delivering 88 RPM output. Supports a maximum input of 3.7 hp and a maximum output torque of 2413 in-lb. Round configuration with 180TC/210C frame size. Used in industrial power transmission applications such as conveyors, mixers, and material handling equipment to reduce motor speed and increase torque
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Direct-drive right-angle speed reducer with a 20:1 ratio, delivering 88 RPM output. Supports a maximum input of 3.7 hp and a maximum output torque of 2413 in-lb. Round configuration with 180TC/210C frame size. Used in industrial power transmission applications such as conveyors, mixers, and material handling equipment to reduce motor speed and increase torque
This direct-drive right-angle speed reducer provides a 30:1 reduction ratio, delivering 58 RPM output with a maximum input of 0.3 hp and maximum output torque of 277 in-lb. It features a round configuration and 56C frame size. Typical applications include conveyors, packaging machinery, and material handling systems requiring torque multiplication and speed reduction
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This direct-drive right-angle speed reducer provides a 30:1 reduction ratio, delivering 58 RPM output with a maximum input of 0.3 hp and maximum output torque of 277 in-lb. It features a round configuration and 56C frame size. Typical applications include conveyors, packaging machinery, and material handling systems requiring torque multiplication and speed reduction