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3G Electric
BOSTON GEAR FC45 2-1/8 High-Torque Straight Jaw Coupling Hub - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR FC45 2-1/8 High-Torque Straight Jaw Coupling Hub

<p>The BOSTON GEAR FC45 2-1/8 is a high-torque straight jaw coupling hub designed for inch keyed shafts. With an outside diameter of 4 1/2 inches, this hub is built to transmit high torque in demanding industrial…

SKU 3G-OTH-146669

Also listed as: FC45218 · FC45 2 1 8 · FC45-2-1-8

Brand
BOSTON GEAR
Item
FC45 2-1/8 High-Torque Straight Jaw Coupling Hub
Part Number
FC45 2-1/8
Category
High-Torque Straight Jaw Coupling Hubs
Available to Order
Also known as:FC45 2-1/8BOSTON 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
FC45 2-1/8
Type
Inch, For Keyed Shaft Type
Outside Dia
4 1/2 in

Technical Documents

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

Product Description

<p>The BOSTON GEAR FC45 2-1/8 is a high-torque straight jaw coupling hub designed for inch keyed shafts. With an outside diameter of 4 1/2 inches, this hub is built to transmit high torque in demanding industrial applications. It is commonly used in pumps, gearboxes, and other rotating equipment where reliable power transmission is critical.</p><p>As a Singapore-based supplier, 3G Electric offers this hub with worldwide shipping. For procurement buyers in Singapore, we provide SGD quotes on request and handle GST for local transactions. Enjoy fast delivery across Singapore and Southeast Asia to keep your operations running smoothly.</p>

Frequently Asked Questions

What is the outside diameter of the BOSTON GEAR FC45 2-1/8 hub?

The outside diameter is 4 1/2 inches.

What type of shaft is this hub designed for?

It is designed for inch keyed shafts.

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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