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BOSTON GEAR Direct-Drive Right-Angle Speed Reducer - Direct-Drive Right-Angle Speed Reducers
BOSTON GEARDirect-Drive Right-Angle Speed Reducers

BOSTON GEAR Direct-Drive Right-Angle Speed Reducer

The BOSTON GEAR Speed Reducer (SKU 3G-OTH-139603) is a direct-drive right-angle speed reducer with a 5:1 ratio, 350 RPM, 2 hp input max, and 328 in-lb output max. It features a round design and is compatible with…

SKU 3G-OTH-139603

Also listed as: F7215B7G · F721 5 B7 G

Brand
BOSTON GEAR
Item
Direct-Drive Right-Angle Speed Reducer
Part Number
F721-5-B7-G
Category
Direct-Drive Right-Angle Speed Reducers
Available to Order
Also known as:F721-5-B7-GBOSTON GEAR
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

BOSTON GEAR
Manufacturer Part Number
F721-5-B7-G
Type
350 RPM, 328 in-lb Output Max, Round, 140TC/180C
Input Max
2 hp

Technical Documents

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

Product Description

The BOSTON GEAR Speed Reducer (SKU 3G-OTH-139603) is a direct-drive right-angle speed reducer with a 5:1 ratio, 350 RPM, 2 hp input max, and 328 in-lb output max. It features a round design and is compatible with 140TC/180C motor frames (MPN F721-5-B7-G).

Frequently Asked Questions

What is the BOSTON GEAR F721-5-B7-G speed reducer used for?

The BOSTON GEAR F721-5-B7-G is a direct-drive right-angle speed reducer used to reduce motor speed and increase torque in industrial machinery. It is commonly applied in conveyors, packaging equipment, and material handling systems where a 5:1 ratio and 328 in-lb output torque are required.

What are the specifications of the BOSTON GEAR F721-5-B7-G speed reducer?

The BOSTON GEAR F721-5-B7-G speed reducer has a 5:1 ratio, 350 RPM input speed, 2 hp maximum input power, and 328 in-lb maximum output torque. It features a round design and is compatible with 140TC/180C motor frames. The manufacturer part number is F721-5-B7-G.

Where to buy the BOSTON GEAR F721-5-B7-G speed reducer worldwide?

You can source the BOSTON GEAR F721-5-B7-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 on this BOSTON GEAR speed reducer.

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

To select the right BOSTON GEAR speed reducer, match the ratio, input speed, and torque to your motor and load requirements. For the F721-5-B7-G, ensure your motor frame is 140TC/180C and that the 5:1 ratio and 328 in-lb output torque meet your application needs. Consult a BOSTON GEAR catalog for sizing guidelines.

Used in

Common applications for BOSTON GEAR
Conveyor systems — Boston Gear FC38 polyurethane spider insert (XFCA38) for torque transmission and misalignment compensation.
Pump drives — Boston Gear FC15 oil-impregnated spider insert (XFCBB15) to dampen vibration in continuous-duty pump applications.
Mixers and agitators — Boston Gear speed reducers with cast iron housings for speed reduction and torque multiplication.
Packaging machinery — Boston Gear FC12 synthetic rubber spider insert (XFCR12) for shock absorption in start-stop cycles.
Fans and blowers — Boston Gear FC45 oil-impregnated spider insert (XFCBB45) for high-torque power transmission.
Material handling — Boston Gear shaft-mounted speed reducers for conveyor and bulk handling drive systems.
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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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Direct-drive right-angle speed reducer with 5:1 ratio, 350 RPM input, 1 hp max input, and 164 in-lb max output. Round configuration with 56C frame, suitable for any-angle mounting. Used to reduce motor speed and increase torque in industrial machinery such as conveyors, pumps, and material handling systems
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Direct-drive right-angle speed reducer with 5:1 ratio, 350 RPM input, 1 hp max input, and 164 in-lb max output. Round configuration with 56C frame, suitable for any-angle mounting. Used to reduce motor speed and increase torque in industrial machinery such as conveyors, pumps, and material handling systems
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This direct-drive right-angle speed reducer provides a 60:1 reduction ratio, delivering 29 RPM output with a maximum input of 0.75 hp and maximum output torque of 1,004 in-lb. It features a 56C input flange and a round output configuration. Typical applications include conveyors, packaging equipment, and material handling systems where speed reduction and torque multiplication are required
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BOSTON GEAR Speed Reducer: 30:1, 58 RPM, 0.16 hp Input Max, 139 in-lb Output Max, Round, 42CZ (MPN F710-30-B4-G)
BOSTON GEAR Speed Reducer: 15:1, 117 RPM, 2 hp Input Max, 929 in-lb Output Max, Round, 140TC/180C (MPN F726-15-B7-G)
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