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BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1726 in-lb Output Max - Direct-Drive Parallel Speed Reducers
BOSTON GEARDirect-Drive Parallel Speed Reducers

BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1726 in-lb Output Max

The BOSTON GEAR Speed Reducer is a direct-drive parallel speed reducer with a 5.1:1 ratio, 343 RPM, 10 hp input max, and 1726 in-lb output max. It features a round configuration and is identified by MPN…

SKU 3G-OTH-143616

Also listed as: F872B51KB11M1 · F872B 5 1K B11 M1 · F872B-5-1K-B11-M1

Brand
BOSTON GEAR
Item
Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1726 in-lb Output Max
Category
Direct-Drive Parallel Speed Reducers
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Technical Specifications

BOSTON GEAR
Manufacturer Part Number
F872B-5.1K-B11-M1
Type
343 RPM, 1726 in-lb Output Max, Round
Input Max
10 hp

Technical Documents

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

Product Description

The BOSTON GEAR Speed Reducer is a direct-drive parallel speed reducer with a 5.1:1 ratio, 343 RPM, 10 hp input max, and 1726 in-lb output max. It features a round configuration and is identified by MPN F872B-5.1K-B11-M1 with frame size 210TC/250UC.

Frequently Asked Questions

What is the BOSTON GEAR F872B-5.1K-B11-M1 speed reducer used for?

This BOSTON GEAR direct-drive parallel speed reducer is used to reduce motor speed and increase torque in industrial machinery such as conveyors, mixers, and material handling systems. It handles up to 10 hp input and delivers 1726 in-lb output torque at 343 RPM.

What are the specifications of the BOSTON GEAR F872B-5.1K-B11-M1?

The BOSTON GEAR speed reducer has a 5.1:1 ratio, 343 RPM output, 10 hp input max, and 1726 in-lb output max. It uses a round configuration with frame size 210TC/250UC. The manufacturer part number is F872B-5.1K-B11-M1.

Where to buy the BOSTON GEAR F872B-5.1K-B11-M1 worldwide?

3G Electric supplies the BOSTON GEAR F872B-5.1K-B11-M1 speed reducer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this direct-drive parallel reducer.

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

To select the correct BOSTON GEAR speed reducer, match the input horsepower (10 hp max for this model), desired output speed (343 RPM), and required torque (1726 in-lb max). Verify the frame size (210TC/250UC) fits your motor and mounting configuration.

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 parallel 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: 5.1:1, 343 RPM, 10 hp Input Max, 1742 in-lb Output Max, Round (MPN F862B-5.1K-B11-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1742 in-lb Output Max, Round (MPN F862B-5.1K-B11-M1)
BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 10 hp Input Max, 3278 in-lb Output Max, Round, 210TC/250UC (MPN F872B-10K-B11-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 10 hp Input Max, 3278 in-lb Output Max, Round, 210TC/250UC (MPN F872B-10K-B11-M1)
BOSTON GEAR Speed Reducer: 2.9:1, 603 RPM, 10 hp Input Max, 998 in-lb Output Max, Round, 210TC/250UC (MPN F872B-2.9K-B11-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 2.9:1, 603 RPM, 10 hp Input Max, 998 in-lb Output Max, Round, 210TC/250UC (MPN F872B-2.9K-B11-M1)
BOSTON GEAR Speed Reducer: 14:1, 125 RPM, 10 hp Input Max, 4870 in-lb Output Max, Round, 210TC/250UC (MPN F872B-14K-B11-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 14:1, 125 RPM, 10 hp Input Max, 4870 in-lb Output Max, Round, 210TC/250UC (MPN F872B-14K-B11-M1)
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 5 hp Input Max, 840 in-lb Output Max, Round, 180TC/210C (MPN F842B-5.1K-B9-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 5 hp Input Max, 840 in-lb Output Max, Round, 180TC/210C (MPN F842B-5.1K-B9-M1)
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 3 hp Input Max, 531 in-lb Output Max, Round, 180TC/210C (MPN F832B-5.1K-B9-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 3 hp Input Max, 531 in-lb Output Max, Round, 180TC/210C (MPN F832B-5.1K-B9-M1)

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Direct-drive parallel speed reducer with 45:1 ratio, 38 RPM output, 0.75 hp input max, and 1180 in-lb output max. Features a 56C frame and any-angle mounting. Suitable for conveyors, material handling, and packaging equipment
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This direct-drive parallel speed reducer provides a 50:1 reduction ratio, with a maximum input of 0.75 hp and output torque up to 1280 in-lb at 35 RPM. It features a 56C input flange and supports any-angle mounting. Typical applications include conveyors, material handling systems, and packaging equipment where speed reduction and torque multiplication are required
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BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 1.5 hp Input Max, 524 in-lb Output Max, 140TC/180C (MPN F832B-10K-B7-M1)
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BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 7.5 hp Input Max, 2548 in-lb Output Max, Round (MPN F862B-10K-B11-M1)
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BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 7.5 hp Input Max, 2548 in-lb Output Max, Round (MPN F862B-10K-B11-M1)
BOSTON GEAR Speed Reducer: 14:1, 125 RPM, 2 hp Input Max, 988 in-lb Output Max, Round, 140TC/180C (MPN F842B-14K-B7-M1)
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BOSTON GEAR Speed Reducer: 28:1, 62 RPM, 0.5 hp Input Max, 491 in-lb Output Max, 56C, Any Angle (MPN F832B-28K-B5-M1)
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