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BOSTON GEAR FC25 1-3/16 High-Torque Straight Jaw Coupling Hub - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR FC25 1-3/16 High-Torque Straight Jaw Coupling Hub

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

SKU 3G-OTH-146675

Also listed as: FC251316 · FC25 1 3 16 · FC25-1-3-16

Brand
BOSTON GEAR
Item
FC25 1-3/16 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 1-3/16
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 FC25 Shaft Coupler Body is a high-torque straight jaw coupling hub designed for inch, keyed shaft types. This component has a 2 1/2 in outside diameter and is identified by manufacturer part number FC25 1-3/16. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is a BOSTON GEAR FC25 shaft coupler used for?

The BOSTON GEAR FC25 shaft coupler body is used to connect two rotating shafts in power transmission systems, compensating for minor misalignment. It is commonly applied in industrial machinery, conveyors, pumps, and gearboxes where reliable torque transfer and vibration dampening are required.

What are the specifications of the BOSTON GEAR FC25 1-3/16 coupler?

The BOSTON GEAR FC25 1-3/16 is a high-torque straight jaw coupling hub with a 2 1/2 inch outside diameter. It is designed for inch-sized keyed shafts and is part of the FC25 coupling size series. The manufacturer part number is FC25 1-3/16.

Where to buy BOSTON GEAR FC25 coupling hubs worldwide?

You can source BOSTON GEAR FC25 coupling hubs worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this and other BOSTON GEAR power transmission components.

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) to your shaft diameter and keyway dimensions. Verify the outside diameter and torque rating align with your application. For the FC25 1-3/16, ensure your shaft is inch-sized and keyed. Consult a BOSTON GEAR 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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Compatible alternatives & equivalents

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
This BOSTON GEAR coupling hub is a high-torque straight jaw type in FC25 size, with a 2 1/2 in outside diameter. Designed for inch keyed shafts, it is used in power transmission systems to connect rotating shafts while accommodating minor misalignment. Common applications include conveyors, pumps, and gearboxes
BOSTON GEAR
This BOSTON GEAR coupling hub is a high-torque straight jaw type in FC25 size, with a 2 1/2 in outside diameter. Designed for inch keyed shafts, it is used in power transmission systems to connect rotating shafts while accommodating minor misalignment. Common applications include 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
BOSTON GEAR
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
BOSTON GEAR
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
BOSTON GEAR
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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