We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

BOSTON GEAR High-Torque Straight Jaw Coupling Hub, FC38 1-3/4 - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR High-Torque Straight Jaw Coupling Hub, FC38 1-3/4

The BOSTON GEAR FC38 Shaft Coupler Body is a high-torque straight jaw coupling hub in inch size, designed for keyed shaft types. It has a 3 3/4 in outside diameter and is identified by manufacturer part number FC38…

SKU 3G-OTH-146671

Also listed as: FC38134 · FC38 1 3 4 · FC38-1-3-4

Brand
BOSTON GEAR
Item
High-Torque Straight Jaw Coupling Hub, FC38 1-3/4
Category
High-Torque Straight Jaw Coupling Hubs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
FC38 1-3/4
Type
Inch, For Keyed Shaft Type
Outside Dia
3 3/4 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BOSTON GEAR FC38 Shaft Coupler Body is a high-torque straight jaw coupling hub in inch size, designed for keyed shaft types. It has a 3 3/4 in outside diameter and is identified by manufacturer part number FC38 1-3/4.

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 FC38 shaft coupler used for?

The BOSTON GEAR FC38 shaft coupler is a high-torque straight jaw coupling hub used to connect two rotating shafts in industrial power transmission systems. It is commonly applied in conveyors, pumps, gearboxes, and material handling equipment where misalignment compensation and torque transfer are required.

What are the specifications of the BOSTON GEAR FC38 1-3/4 coupling?

The BOSTON GEAR FC38 coupling body has a 3 3/4 in outside diameter and is designed for inch keyed shafts. It is a high-torque straight jaw coupling hub, model FC38 1-3/4. This component is suitable for industrial applications requiring reliable torque transmission and moderate misalignment accommodation.

Where to buy BOSTON GEAR FC38 couplings worldwide?

You can source the BOSTON GEAR FC38 coupling from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this and other power transmission components.

How to select the right BOSTON GEAR shaft coupler size?

To select the correct BOSTON GEAR shaft coupler, match the coupling size (e.g., FC38) to your shaft diameter and keyway dimensions. Verify the outside diameter (3 3/4 in for FC38) and torque requirements of your application. Always consult the manufacturer's catalog for bore range and misalignment ratings to ensure proper fit and performance.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Inch-series straight jaw coupling hub for keyed shafts. Outside diameter 3 3/4 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment while transmitting torque. Suitable for applications such as conveyors, pumps, and gearboxes
BOSTON GEAR
Inch-series straight jaw coupling hub for keyed shafts. Outside diameter 3 3/4 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment while transmitting torque. Suitable for applications such as conveyors, pumps, and gearboxes
Inch-size straight jaw coupling hub for keyed shafts. Outside diameter 3 3/4 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment while transmitting torque
BOSTON GEAR
Inch-size straight jaw coupling hub for keyed shafts. Outside diameter 3 3/4 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment while transmitting torque
This high-torque straight jaw coupling hub is designed for keyed shafts and has an outside diameter of 3-3/4 inches. It is used in power transmission systems to connect rotating shafts, accommodating misalignment and dampening vibration in applications such as conveyors, pumps, and gearboxes
BOSTON GEAR
This high-torque straight jaw coupling hub is designed for keyed shafts and has an outside diameter of 3-3/4 inches. It is used in power transmission systems to connect rotating shafts, accommodating misalignment and dampening vibration in applications such as conveyors, pumps, and gearboxes
This high-torque straight jaw coupling hub is sized FC38 with a 3 3/4 inch outside diameter, designed for inch-dimension keyed shafts. It connects rotating shafts in power transmission systems, accommodating misalignment and dampening vibration in applications such as conveyors, pumps, and gearboxes
BOSTON GEAR
This high-torque straight jaw coupling hub is sized FC38 with a 3 3/4 inch outside diameter, designed for inch-dimension keyed shafts. It connects rotating shafts in power transmission systems, accommodating misalignment and dampening vibration in applications such as conveyors, pumps, and gearboxes
High-torque straight jaw coupling hub for connecting rotating shafts in power transmission systems. Inch design for keyed shafts, 3 3/4 in outside diameter, FC38 coupling size. Suitable for pumps, gearboxes, conveyors, and other machinery requiring torque transfer and misalignment accommodation
BOSTON GEAR
High-torque straight jaw coupling hub for connecting rotating shafts in power transmission systems. Inch design for keyed shafts, 3 3/4 in outside diameter, FC38 coupling size. Suitable for pumps, gearboxes, conveyors, and other machinery requiring torque transfer and misalignment accommodation
Inch-series straight jaw coupling hub for keyed shafts, with 2 1/2 in outside diameter. Designed for high-torque applications in power transmission systems, such as connecting shafts in conveyors, pumps, gearboxes, and material handling equipment
BOSTON GEAR
Inch-series straight jaw coupling hub for keyed shafts, with 2 1/2 in outside diameter. Designed for high-torque applications in power transmission systems, such as connecting shafts in conveyors, pumps, gearboxes, and material handling equipment

More from BOSTON GEAR

View all BOSTON GEAR parts
This straight jaw coupling hub has a 3 in outside diameter and a 5 15/32 in overall length. It is used in power transmission systems to connect rotating shafts, accommodating minor misalignment while transmitting torque. Common applications include pumps, gearboxes, conveyors, and material handling equipment
BOSTON GEAR
This straight jaw coupling hub has a 3 in outside diameter and a 5 15/32 in overall length. It is used in power transmission systems to connect rotating shafts, accommodating minor misalignment while transmitting torque. Common applications include pumps, gearboxes, conveyors, and material handling equipment
Inch-size straight jaw coupling hub for keyed shafts, with a 4 1/2 in outside diameter. Used in power transmission systems to connect rotating shafts while accommodating minor misalignment. Suitable for industrial machinery, conveyors, pumps, and gearboxes
BOSTON GEAR
Inch-size straight jaw coupling hub for keyed shafts, with a 4 1/2 in outside diameter. Used in power transmission systems to connect rotating shafts while accommodating minor misalignment. Suitable for industrial machinery, conveyors, pumps, and gearboxes
This straight jaw coupling hub has a 3 in outside diameter and a 5 15/32 in overall length. It is used to connect rotating shafts in power transmission systems, transmitting torque while accommodating minor misalignment. Typical applications include conveyors, pumps, and gearboxes
BOSTON GEAR
This straight jaw coupling hub has a 3 in outside diameter and a 5 15/32 in overall length. It is used to connect rotating shafts in power transmission systems, transmitting torque while accommodating minor misalignment. Typical applications include conveyors, pumps, and gearboxes
High-torque straight jaw coupling hub for FC30 coupling size. Outside diameter 3 in, overall length 5 15/32 in. Connects rotating shafts in power transmission systems, accommodating minor misalignment and transmitting torque in applications such as conveyors, pumps, and gearboxes
BOSTON GEAR
High-torque straight jaw coupling hub for FC30 coupling size. Outside diameter 3 in, overall length 5 15/32 in. Connects rotating shafts in power transmission systems, accommodating minor misalignment and transmitting torque in applications such as conveyors, pumps, and gearboxes
Straight jaw coupling hub for connecting rotating shafts in power transmission systems. Outside diameter 2 in, overall length 3 11/16 in. Accommodates misalignment and dampens vibration in industrial machinery such as conveyors, pumps, and gearboxes
BOSTON GEAR
Straight jaw coupling hub for connecting rotating shafts in power transmission systems. Outside diameter 2 in, overall length 3 11/16 in. Accommodates misalignment and dampens vibration in industrial machinery such as conveyors, pumps, and gearboxes
This straight jaw coupling hub is designed for connecting two rotating shafts in power transmission systems, accommodating minor misalignment while transmitting torque. It features a 1 1/4 in outside diameter and is intended for use with inch keyed shafts. Typical applications include industrial machinery, conveyors, and pumps
BOSTON GEAR
This straight jaw coupling hub is designed for connecting two rotating shafts in power transmission systems, accommodating minor misalignment while transmitting torque. It features a 1 1/4 in outside diameter and is intended for use with inch keyed shafts. Typical applications include industrial machinery, conveyors, and pumps
Inch-series straight jaw coupling hub for keyed shafts. Outside diameter 1 1/2 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment while transmitting torque. Common in conveyors, pumps, and gearbox applications
BOSTON GEAR
Inch-series straight jaw coupling hub for keyed shafts. Outside diameter 1 1/2 in. Used in power transmission systems to connect rotating shafts, compensating for minor misalignment while transmitting torque. Common in conveyors, pumps, and gearbox applications
Straight jaw coupling hub for connecting two rotating shafts in industrial machinery. FC20 coupling size with 2 in outside diameter and 3 11/16 in overall length. Transmits torque while accommodating minor misalignment in pumps, gearboxes, conveyors, and material handling equipment
BOSTON GEAR
Straight jaw coupling hub for connecting two rotating shafts in industrial machinery. FC20 coupling size with 2 in outside diameter and 3 11/16 in overall length. Transmits torque while accommodating minor misalignment in pumps, gearboxes, conveyors, and material handling equipment