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BOSTON GEAR High-Torque Straight Jaw Coupling Hub - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR High-Torque Straight Jaw Coupling Hub

The BOSTON GEAR Shaft Coupler Body is a high-torque straight jaw coupling hub in FC25 coupling size, designed for inch keyed shaft types. It has a 2 1/2 in outside diameter and is identified by manufacturer part…

SKU 3G-OTH-146676

Also listed as: FC251 · FC25-1

Brand
BOSTON GEAR
Item
High-Torque Straight Jaw Coupling Hub
Category
High-Torque Straight Jaw Coupling Hubs
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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
FC25 1
Type
Inch, For Keyed Shaft Type
Outside Dia
2 1/2 in

Technical Documents

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

Product Description

The BOSTON GEAR Shaft Coupler Body is a high-torque straight jaw coupling hub in FC25 coupling size, designed for inch keyed shaft types. It has a 2 1/2 in outside diameter and is identified by manufacturer part number FC25 1.

Frequently Asked Questions

What is the BOSTON GEAR FC25 1 shaft coupler used for?

The BOSTON GEAR FC25 1 is a high-torque straight jaw coupling hub used to connect two rotating shafts in industrial power transmission systems. It accommodates keyed shafts and is common in conveyors, pumps, and gearboxes where misalignment compensation and torque transfer are required.

What are the specifications of the BOSTON GEAR FC25 1 coupling?

The BOSTON GEAR FC25 1 is a shaft coupler body with FC25 coupling size, 2 1/2 in outside diameter, inch dimensions, and is designed for keyed shaft types. It is a high-torque straight jaw coupling hub manufactured by BOSTON GEAR under MPN FC25 1.

Where to buy BOSTON GEAR FC25 1 coupling worldwide?

You can source the BOSTON GEAR FC25 1 coupling through 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 part.

How to select the right BOSTON GEAR jaw coupling hub?

To select the correct BOSTON GEAR jaw coupling hub, match the coupling size (e.g., FC25), outside diameter (2 1/2 in), and shaft type (keyed) to your application's torque and misalignment requirements. Verify bore dimensions and consult the manufacturer's catalog for load ratings.

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 high-torque straight jaw coupling hubs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
Inch-sized straight jaw coupling hub for keyed shafts. Outside diameter 2 1/2 in. Used to connect rotating shafts in power transmission systems, accommodating misalignment and transmitting torque in industrial machinery such as pumps, conveyors, and gearboxes
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Inch-sized straight jaw coupling hub for keyed shafts. Outside diameter 2 1/2 in. Used to connect rotating shafts in power transmission systems, accommodating misalignment and transmitting torque in industrial machinery such as pumps, conveyors, and gearboxes
This high-torque straight jaw coupling hub is designed for inch-sized keyed shafts, with a 2 1/2 in outside diameter. It is used in power transmission systems to connect rotating shafts while compensating for minor misalignment. Typical applications include industrial machinery, pumps, gearboxes, and conveyors
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This high-torque straight jaw coupling hub is designed for inch-sized keyed shafts, with a 2 1/2 in outside diameter. It is used in power transmission systems to connect rotating shafts while compensating for minor misalignment. Typical applications include industrial machinery, pumps, gearboxes, and conveyors
Inch-sized high-torque straight jaw coupling hub for keyed shafts. Outside diameter 2 1/2 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment. Suitable for industrial machinery, conveyors, pumps, and gearboxes
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Inch-sized high-torque straight jaw coupling hub for keyed shafts. Outside diameter 2 1/2 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment. Suitable for industrial machinery, conveyors, pumps, and gearboxes
Inch-series straight jaw coupling hub for keyed shafts, with 2 1/2 in outside diameter. Designed for high-torque applications in power transmission systems, such as connecting shafts in conveyors, pumps, gearboxes, and material handling equipment
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Inch-series straight jaw coupling hub for keyed shafts, with 2 1/2 in outside diameter. Designed for high-torque applications in power transmission systems, such as connecting shafts in conveyors, pumps, gearboxes, and material handling equipment
Inch-sized straight jaw coupling hub for keyed shafts, with 2 1/2 in outside diameter. Part of the FC25 coupling series, used to connect rotating shafts in power transmission systems such as conveyors, pumps, and gearbox drives
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Inch-sized straight jaw coupling hub for keyed shafts, with 2 1/2 in outside diameter. Part of the FC25 coupling series, used to connect rotating shafts in power transmission systems such as conveyors, pumps, and gearbox drives
Inch-sized straight jaw coupling hub for keyed shafts, with a 4 1/2 in outside diameter. Provides a positive-drive connection in power transmission systems, accommodating misalignment and dampening vibration in applications such as conveyors, pumps, and gearboxes
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Inch-sized straight jaw coupling hub for keyed shafts, with a 4 1/2 in outside diameter. Provides a positive-drive connection in power transmission systems, accommodating misalignment and dampening vibration in applications such as conveyors, pumps, and gearboxes

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This straight jaw coupling hub has a 3 in outside diameter and a 5 15/32 in overall length. It is used in power transmission systems to connect rotating shafts, accommodating minor misalignment while transmitting torque. Common applications include pumps, gearboxes, conveyors, and material handling equipment
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This straight jaw coupling hub has a 3 in outside diameter and a 5 15/32 in overall length. It is used in power transmission systems to connect rotating shafts, accommodating minor misalignment while transmitting torque. Common applications include pumps, gearboxes, conveyors, and material handling equipment
Inch-size straight jaw coupling hub for keyed shafts, with a 4 1/2 in outside diameter. Used in power transmission systems to connect rotating shafts while accommodating minor misalignment. Suitable for industrial machinery, conveyors, pumps, and gearboxes
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Inch-size straight jaw coupling hub for keyed shafts, with a 4 1/2 in outside diameter. Used in power transmission systems to connect rotating shafts while accommodating minor misalignment. Suitable for industrial machinery, conveyors, pumps, and gearboxes
This straight jaw coupling hub has a 3 in outside diameter and a 5 15/32 in overall length. It is used to connect rotating shafts in power transmission systems, transmitting torque while accommodating minor misalignment. Typical applications include conveyors, pumps, and gearboxes
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This straight jaw coupling hub has a 3 in outside diameter and a 5 15/32 in overall length. It is used to connect rotating shafts in power transmission systems, transmitting torque while accommodating minor misalignment. Typical applications include conveyors, pumps, and gearboxes
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This straight jaw coupling hub is designed for connecting two rotating shafts in power transmission systems, accommodating minor misalignment while transmitting torque. It features a 1 1/4 in outside diameter and is intended for use with inch keyed shafts. Typical applications include industrial machinery, conveyors, and pumps
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This straight jaw coupling hub is designed for connecting two rotating shafts in power transmission systems, accommodating minor misalignment while transmitting torque. It features a 1 1/4 in outside diameter and is intended for use with inch keyed shafts. Typical applications include industrial machinery, conveyors, and pumps
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