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BOSTON GEAR FC25 1-1/8 High-Torque Straight Jaw Coupling Hub - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR FC25 1-1/8 High-Torque Straight Jaw Coupling Hub

The BOSTON GEAR FC25 Shaft Coupler Body is a high-torque straight jaw coupling hub, inch-sized for keyed shafts. This model has a 2 1/2 in outside diameter and carries the manufacturer part number FC25 1-1/8.

SKU 3G-OTH-146654

Also listed as: FC25118 · FC25 1 1 8 · FC25-1-1-8

Brand
BOSTON GEAR
Item
FC25 1-1/8 High-Torque Straight Jaw Coupling Hub
Part Number
FC25 1-1/8
Category
High-Torque Straight Jaw Coupling Hubs
Available to Order
Also known as:FC25 1-1/8BOSTON GEAR
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Technical Specifications

BOSTON GEAR
Manufacturer Part Number
FC25 1-1/8
Type
Inch, For Keyed Shaft Type
Outside Dia
2 1/2 in

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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, inch-sized for keyed shafts. This model has a 2 1/2 in outside diameter and carries the manufacturer part number FC25 1-1/8.

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, typically in industrial machinery such as pumps, conveyors, and gearboxes. It accommodates misalignment and transmits torque efficiently. This high-torque straight jaw coupling hub is designed for keyed shafts and is suitable for moderate to heavy-duty applications.

What are the specifications of the BOSTON GEAR FC25 1-1/8 coupler?

The BOSTON GEAR FC25 1-1/8 is a high-torque straight jaw coupling hub with a 2 1/2 in outside diameter. It is an inch-series, keyed shaft type coupling body. The manufacturer part number is FC25 1-1/8. This component is designed for use with BOSTON GEAR jaw coupling inserts and mating hubs for reliable power transmission.

Where to buy BOSTON GEAR FC25 coupling worldwide?

You can source the BOSTON GEAR FC25 coupling from 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. 3G Electric supplies genuine BOSTON GEAR components for industrial power transmission needs.

How to select the right BOSTON GEAR jaw coupling hub?

To select the correct BOSTON GEAR jaw coupling hub, match the shaft diameter and keyway dimensions to your application. The FC25 size has a 2 1/2 in outside diameter and is for keyed shafts. Consider torque requirements, misalignment tolerance, and operating environment. Consult BOSTON GEAR technical data for bore sizing and insert compatibility.

Used in

Common applications for BOSTON GEAR
Conveyor systems — Boston Gear FC38 polyurethane spider insert (XFCA38) for torque transmission and misalignment compensation.
Pump drives — Boston Gear FC15 oil-impregnated spider insert (XFCBB15) to dampen vibration in continuous-duty pump applications.
Mixers and agitators — Boston Gear speed reducers with cast iron housings for speed reduction and torque multiplication.
Packaging machinery — Boston Gear FC12 synthetic rubber spider insert (XFCR12) for shock absorption in start-stop cycles.
Fans and blowers — Boston Gear FC45 oil-impregnated spider insert (XFCBB45) for high-torque power transmission.
Material handling — Boston Gear shaft-mounted speed reducers for conveyor and bulk handling drive systems.
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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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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
BOSTON GEAR
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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