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BOSTON GEAR FC25-3/4 High-Torque Straight Jaw Coupling Hub - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR FC25-3/4 High-Torque Straight Jaw Coupling Hub

The BOSTON GEAR FC25-3/4 is a high-torque straight jaw coupling hub, part of the FC25 coupling size series. It features a 2 1/2 in outside diameter, is designed for inch keyed shafts, and is rated for 2.9 hp. This…

SKU 3G-OTH-146652

Also listed as: FC2534 · FC25 3 4 · FC25-3-4

Brand
BOSTON GEAR
Item
FC25-3/4 High-Torque Straight Jaw Coupling Hub
Category
High-Torque Straight Jaw Coupling Hubs
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
FC25-3/4
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 FC25-3/4 is a high-torque straight jaw coupling hub, part of the FC25 coupling size series. It features a 2 1/2 in outside diameter, is designed for inch keyed shafts, and is rated for 2.9 hp. This shaft coupler body is manufactured by BOSTON GEAR.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the BOSTON GEAR FC25-3/4 shaft coupler body used for?

The BOSTON GEAR FC25-3/4 is a high-torque straight jaw coupling hub used to connect two rotating shafts in industrial power transmission systems. It is designed for inch keyed shafts and is commonly applied in conveyors, pumps, and gearbox drives where misalignment accommodation and torque transfer are required.

What are the specifications of the BOSTON GEAR FC25-3/4?

The BOSTON GEAR FC25-3/4 is an FC25 coupling size hub with a 2 1/2 in outside diameter. It is rated for 2.9 hp and designed for inch keyed shafts. The manufacturer part number is FC25-3/4. This straight jaw coupling body is built for high-torque applications in industrial machinery.

Where to buy the BOSTON GEAR FC25-3/4 worldwide?

3G Electric supplies the BOSTON GEAR FC25-3/4 shaft coupler body to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this high-torque straight jaw coupling hub.

How to select the right BOSTON GEAR coupling hub for a keyed shaft?

To select the correct BOSTON GEAR coupling hub like the FC25-3/4, match the shaft diameter and keyway dimensions to the hub bore, and verify the horsepower rating (2.9 hp) and outside diameter (2 1/2 in) meet your torque requirements. Always confirm the coupling size series (FC25) aligns with your application's misalignment and load needs.

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
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
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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. 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
BOSTON GEAR
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
BOSTON GEAR
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
BOSTON GEAR
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 4 1/2 in outside diameter. Used in power transmission systems to connect rotating shafts in pumps, compressors, conveyors, and gearboxes, accommodating misalignment while transmitting torque
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Inch-series straight jaw coupling hub for keyed shafts, with 4 1/2 in outside diameter. Used in power transmission systems to connect rotating shafts in pumps, compressors, conveyors, and gearboxes, accommodating misalignment while transmitting torque

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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
High-torque straight jaw coupling hub for FC30 coupling size. Outside diameter 3 in, overall length 5 15/32 in. Connects rotating shafts in power transmission systems, accommodating minor misalignment and transmitting torque in applications such as conveyors, pumps, and gearboxes
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High-torque straight jaw coupling hub for FC30 coupling size. Outside diameter 3 in, overall length 5 15/32 in. Connects rotating shafts in power transmission systems, accommodating minor misalignment and transmitting torque in applications such as conveyors, pumps, and gearboxes
Straight jaw coupling hub for connecting rotating shafts in power transmission systems. Outside diameter 2 in, overall length 3 11/16 in. Accommodates misalignment and dampens vibration in industrial machinery such as conveyors, pumps, and gearboxes
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Straight jaw coupling hub for connecting rotating shafts in power transmission systems. Outside diameter 2 in, overall length 3 11/16 in. Accommodates misalignment and dampens vibration in industrial machinery such as conveyors, pumps, and gearboxes
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
Inch-series straight jaw coupling hub for keyed shafts. Outside diameter 1 1/2 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment while transmitting torque. Common in conveyors, pumps, and gearbox applications
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Inch-series straight jaw coupling hub for keyed shafts. Outside diameter 1 1/2 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment while transmitting torque. Common in conveyors, pumps, and gearbox applications
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