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BOSTON GEAR FC30 1-3/8 High-Torque Straight Jaw Coupling Hub - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR FC30 1-3/8 High-Torque Straight Jaw Coupling Hub

The BOSTON GEAR High-Torque Straight Jaw Coupling Hub, model FC30 1-3/8, is a shaft coupler body with a 3 in outside diameter and a 5 15/32 in coupling overall length. This FC30 coupling size component is designed…

SKU 3G-OTH-146657

Also listed as: FC30138 · FC30 1 3 8 · FC30-1-3-8

Brand
BOSTON GEAR
Item
FC30 1-3/8 High-Torque Straight Jaw Coupling Hub
Part Number
FC30 1-3/8
Category
High-Torque Straight Jaw Coupling Hubs
Available to Order
Also known as:FC30 1-3/8BOSTON 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
FC30 1-3/8
Outside Dia
3 in
Coupling Overall Lg
5 15/32 in

Technical Documents

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

Product Description

The BOSTON GEAR High-Torque Straight Jaw Coupling Hub, model FC30 1-3/8, is a shaft coupler body with a 3 in outside diameter and a 5 15/32 in coupling overall length. This FC30 coupling size component is designed for direct power transmission applications requiring a straight jaw hub configuration.

Frequently Asked Questions

What is a BOSTON GEAR FC30 shaft coupler used for?

A BOSTON GEAR FC30 straight jaw coupling hub connects two rotating shafts in industrial machinery, transmitting torque while accommodating minor misalignment. It is commonly used in pumps, gearboxes, conveyors, and material handling systems across manufacturing and processing plants.

What are the specifications of the BOSTON GEAR FC30 1-3/8 coupling?

The BOSTON GEAR FC30 1-3/8 is a high-torque straight jaw coupling hub with a 3 in outside diameter and a 5 15/32 in overall length. It is designed for FC30 coupling size and fits a 1-3/8 in shaft. The manufacturer part number is FC30 1-3/8.

Where to buy BOSTON GEAR FC30 couplings worldwide?

3G Electric supplies BOSTON GEAR FC30 couplings worldwide, handling full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine BOSTON GEAR parts and support procurement for plants and maintenance teams internationally.

How to select the right BOSTON GEAR jaw coupling hub?

To select the correct BOSTON GEAR jaw coupling hub, match the coupling size (e.g., FC30) to your shaft diameter and torque requirements. Verify the outside diameter and overall length against your application’s space constraints. Consult the manufacturer’s catalog for bore and keyway specifications.

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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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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