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BOSTON GEAR Speed Reducer: 40:1, 44 RPM, 0.5 hp Input Max, 533 in-lb Output Max, Round - Washdown Duty Direct-Drive Right-Angle Speed Reducers
BOSTON GEARWashdown Duty Direct-Drive Right-Angle Speed Reducers

BOSTON GEAR Speed Reducer: 40:1, 44 RPM, 0.5 hp Input Max, 533 in-lb Output Max, Round

The BOSTON GEAR Speed Reducer (SKU 3G-OTH-146574) is a Washdown Duty Direct-Drive Right-Angle Speed Reducer with a 40:1 ratio, 44 RPM output, 0.5 hp input max, and 533 in-lb output max. It features a round, 56C input…

SKU 3G-OTH-146574

Also listed as: SSF72140KB5GS1 · SSF721 40K B5 GS1

Brand
BOSTON GEAR
Item
Speed Reducer: 40:1, 44 RPM, 0.5 hp Input Max, 533 in-lb Output Max, Round
Category
Washdown Duty Direct-Drive Right-Angle Speed Reducers
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
SSF721-40K-B5-GS1
Type
44 RPM, 533 in-lb Output Max, Round, 56C
Input Max
0.5 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-146574) is a Washdown Duty Direct-Drive Right-Angle Speed Reducer with a 40:1 ratio, 44 RPM output, 0.5 hp input max, and 533 in-lb output max. It features a round, 56C input flange (MPN SSF721-40K-B5-GS1).

Frequently Asked Questions

What is a BOSTON GEAR washdown duty speed reducer used for?

A BOSTON GEAR washdown duty speed reducer is used in food processing, beverage, and pharmaceutical applications where high-pressure washdowns are routine. It reduces motor speed to 44 RPM while delivering 533 in-lb of torque, protecting equipment from moisture and corrosion.

What are the specifications of the BOSTON GEAR SSF721-40K-B5-GS1 speed reducer?

The BOSTON GEAR SSF721-40K-B5-GS1 is a 40:1 ratio, washdown duty right-angle speed reducer with 44 RPM output, 0.5 hp input max, and 533 in-lb output max. It has a round, 56C input flange and is designed for direct-drive applications.

Where to buy BOSTON GEAR speed reducers worldwide?

3G Electric supplies BOSTON GEAR speed reducers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the SSF721-40K-B5-GS1 or other BOSTON GEAR models for your application.

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

To select the right BOSTON GEAR speed reducer, match the input horsepower (0.5 hp max for this model), desired output speed (44 RPM), and torque requirement (533 in-lb). Ensure the input flange type (56C) and mounting configuration (round) fit your motor and driven equipment.

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 washdown duty 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: 40:1, 44 RPM, 0.3 hp Input Max, 355 in-lb Output Max, Round, 56C, 316 (MPN SSF718-40K-B5-GS1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 40:1, 44 RPM, 0.3 hp Input Max, 355 in-lb Output Max, Round, 56C, 316 (MPN SSF718-40K-B5-GS1)
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 1 hp Input Max, 590 in-lb Output Max, Round, 56C, Any Angle (MPN SSF721-20K-B5-GS1)
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BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 1 hp Input Max, 590 in-lb Output Max, Round, 56C, Any Angle (MPN SSF721-20K-B5-GS1)
BOSTON GEAR Speed Reducer: 40:1, 44 RPM, 1.5 hp Input Max, 1563 in-lb Output Max, Round, 140TC/180C (MPN SSF732-40K-B7-GS1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 40:1, 44 RPM, 1.5 hp Input Max, 1563 in-lb Output Max, Round, 140TC/180C (MPN SSF732-40K-B7-GS1)
BOSTON GEAR Speed Reducer: 50:1, 35 RPM, 0.75 hp Input Max, 895 in-lb Output Max, Round, 56C (MPN SSF726-50K-B5-GS1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 50:1, 35 RPM, 0.75 hp Input Max, 895 in-lb Output Max, Round, 56C (MPN SSF726-50K-B5-GS1)
BOSTON GEAR Speed Reducer: 60:1, 29 RPM, 0.3 hp Input Max, 440 in-lb Output Max, Round, 56C (MPN SSF718-60K-B5-GS1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 60:1, 29 RPM, 0.3 hp Input Max, 440 in-lb Output Max, Round, 56C (MPN SSF718-60K-B5-GS1)
BOSTON GEAR Speed Reducer: 50:1, 35 RPM, 0.3 hp Input Max, 420 in-lb Output Max, Round, 56C (MPN SSF718-50K-B5-GS1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 50:1, 35 RPM, 0.3 hp Input Max, 420 in-lb Output Max, Round, 56C (MPN SSF718-50K-B5-GS1)

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BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 3 hp Input Max, 972 in-lb Output Max, Round, 140TC/180C (MPN SSF726-10K-B7-GS1)
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BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 3 hp Input Max, 972 in-lb Output Max, Round, 140TC/180C (MPN SSF726-10K-B7-GS1)
BOSTON GEAR Speed Reducer: 50:1, 35 RPM, 1.5 hp Input Max, 1857 in-lb Output Max, Round, 140TC/180C (MPN SSF732-50K-B7-GS1)
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BOSTON GEAR Speed Reducer: 60:1, 29 RPM, 0.5 hp Input Max, 670 in-lb Output Max, Round, 56C, 316 (MPN SSF721-60K-B5-GS1)
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BOSTON GEAR Speed Reducer: 60:1, 29 RPM, 0.5 hp Input Max, 670 in-lb Output Max, Round, 56C, 316 (MPN SSF721-60K-B5-GS1)
BOSTON GEAR Speed Reducer: 40:1, 44 RPM, 1 hp Input Max, 1028 in-lb Output Max, Round, 56C (MPN SSF726-40K-B5-GS1)
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BOSTON GEAR Speed Reducer: 40:1, 44 RPM, 1 hp Input Max, 1028 in-lb Output Max, Round, 56C (MPN SSF726-40K-B5-GS1)
BOSTON GEAR Speed Reducer: 50:1, 35 RPM, 0.5 hp Input Max, 630 in-lb Output Max, Round, 56C, 316 (MPN SSF721-50K-B5-GS1)
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BOSTON GEAR Speed Reducer: 50:1, 35 RPM, 0.5 hp Input Max, 630 in-lb Output Max, Round, 56C, 316 (MPN SSF721-50K-B5-GS1)
BOSTON GEAR Speed Reducer: 30:1, 58 RPM, 0.75 hp Input Max, 624 in-lb Output Max, Round, 56C (MPN SSF721-30K-B5-GS1)
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BOSTON GEAR Speed Reducer: 30:1, 58 RPM, 0.75 hp Input Max, 624 in-lb Output Max, Round, 56C (MPN SSF721-30K-B5-GS1)
BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 3 hp Input Max, 1816 in-lb Output Max, Round, 140TC/180C (MPN SSF732-20K-B7-GS1)
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BOSTON GEAR Speed Reducer: 20:1, 88 RPM, 3 hp Input Max, 1816 in-lb Output Max, Round, 140TC/180C (MPN SSF732-20K-B7-GS1)
BOSTON GEAR Speed Reducer: 60:1, 29 RPM, 0.75 hp Input Max, 1021 in-lb Output Max, Round, 56C (MPN SSF726-60K-B5-GS1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 60:1, 29 RPM, 0.75 hp Input Max, 1021 in-lb Output Max, Round, 56C (MPN SSF726-60K-B5-GS1)