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BOSTON GEAR Shaft Coupler Body: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR Shaft Coupler Body: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch

The BOSTON GEAR FC45 2-1/8 is a high-torque straight jaw coupling hub, part of the FC45 coupling size series. It has a 4 1/2 in outside diameter, is designed for inch keyed shafts, and is rated for 17.5 hp.

SKU 3G-OTH-146669

Brand
BOSTON GEAR
Item
Shaft Coupler Body: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch
Category
High-Torque Straight Jaw Coupling Hubs
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Technical Specifications

BOSTON GEAR
Manufacturer Part Number
FC45 2-1/8
Type
Inch, For Keyed Shaft Type
Outside Dia
4 1/2 in
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BOSTON GEAR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BOSTON GEAR FC45 2-1/8 is a high-torque straight jaw coupling hub, part of the FC45 coupling size series. It has a 4 1/2 in outside diameter, is designed for inch keyed shafts, and is rated for 17.5 hp.

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 FC45 2-1/8 shaft coupler used for?

The BOSTON GEAR FC45 2-1/8 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, compressors, conveyors, and gearboxes where misalignment tolerance and torque transfer are required.

What are the specifications of the BOSTON GEAR FC45 2-1/8 coupling?

The BOSTON GEAR FC45 2-1/8 is a straight jaw coupling hub from the FC45 series. It has a 4 1/2 in outside diameter, is designed for inch keyed shafts, and is rated for 17.5 hp. The manufacturer part number is FC45 2-1/8.

Where to buy BOSTON GEAR FC45 2-1/8 coupling worldwide?

3G Electric supplies the BOSTON GEAR FC45 2-1/8 coupling worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the right BOSTON GEAR jaw coupling hub?

To select the correct BOSTON GEAR jaw coupling hub, match the outside diameter and bore size to your shaft dimensions. Verify the horsepower rating (17.5 hp for FC45 2-1/8) and ensure the coupling material and torque capacity meet your application requirements. Consult the manufacturer's catalog for fitment details.

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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