BOSTON GEAR FC45 2-1/8 High-Torque Straight Jaw Coupling Hub
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
Also listed as: FC45218 · FC45 2 1 8 · FC45-2-1-8
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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.
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.
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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.