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BOSTON GEAR High-Torque Straight Jaw Coupling Hub, FC20-7/8 - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR High-Torque Straight Jaw Coupling Hub, FC20-7/8

The BOSTON GEAR Shaft Coupler Body is a High-Torque Straight Jaw Coupling Hub in FC20 Coupling Size, with a 2 in Outside Dia and 3 11/16 in Coupling Overall Lg (MPN FC20-7/8). This component is part of our broad…

SKU 3G-OTH-146651

Also listed as: FC2078 · FC20 7 8 · FC20-7-8

Brand
BOSTON GEAR
Item
High-Torque Straight Jaw Coupling Hub, FC20-7/8
Part Number
FC20-7/8
Category
High-Torque Straight Jaw Coupling Hubs
Available to Order
Also known as:FC20-7/8BOSTON GEAR
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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
FC20-7/8
Outside Dia
2 in
Coupling Overall Lg
3 11/16 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 FC20 Coupling Size, with a 2 in Outside Dia and 3 11/16 in Coupling Overall Lg (MPN FC20-7/8). This component is part of our broad industrial offering across 14 departments, with specialist depth in power transmission and controls.

Frequently Asked Questions

What is the BOSTON GEAR FC20-7/8 shaft coupler used for?

The BOSTON GEAR FC20-7/8 is a high-torque straight jaw coupling hub used to connect two rotating shafts in industrial power transmission systems. It is commonly applied in pumps, gearboxes, conveyors, and compressors where misalignment compensation and torque transfer are required.

What are the specifications of the BOSTON GEAR FC20-7/8 coupling?

The BOSTON GEAR FC20-7/8 coupling body has a 2 in outside diameter and a 3 11/16 in overall length. It is a straight jaw coupling hub designed for high-torque applications. The manufacturer part number is FC20-7/8, and it is made by BOSTON GEAR.

Where to buy BOSTON GEAR FC20-7/8 coupling worldwide?

3G Electric supplies the BOSTON GEAR FC20-7/8 coupling worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this coupling for your power transmission needs.

How to select the right BOSTON GEAR jaw coupling hub?

To select the correct BOSTON GEAR jaw coupling hub, match the outside diameter and overall length to your shaft spacing and torque requirements. The FC20-7/8 has a 2 in outside diameter and 3 11/16 in overall length. Ensure the bore size fits your shaft and the coupling material suits your operating environment.

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
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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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