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

3G Electric
RFQ CartGet a QuoteSign inSign up
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch - High-Torque Straight Jaw Coupling Hubs
BOSTON GEARHigh-Torque Straight Jaw Coupling Hubs

BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch

The BOSTON GEAR FC38 1-1/4 is a high-torque straight jaw coupling hub, part of the FC38 coupling size series. This shaft coupler body has a 3 3/4 in outside diameter, is designed for inch keyed shafts, and is rated…

SKU 3G-OTH-146658

Brand
BOSTON GEAR
Item
Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch
Category
High-Torque Straight Jaw Coupling Hubs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

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

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 1-1/4 is a high-torque straight jaw coupling hub, part of the FC38 coupling size series. This shaft coupler body has a 3 3/4 in outside diameter, is designed for inch keyed shafts, and is rated for 11.1 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 FC38 1-1/4 coupling hub used for?

The BOSTON GEAR FC38 1-1/4 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, gearboxes, conveyors, and other machinery requiring reliable torque transfer and misalignment accommodation.

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

The BOSTON GEAR FC38 1-1/4 is a shaft coupler body with a 3 3/4 in outside diameter, part of the FC38 coupling size series. It is designed for inch keyed shafts and rated for 11.1 hp. The manufacturer part number is FC38 1-1/4, and it is a high-torque straight jaw coupling hub.

Where to buy the BOSTON GEAR FC38 1-1/4 worldwide?

3G Electric supplies the BOSTON GEAR FC38 1-1/4 coupling hub worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this high-torque straight jaw coupling hub.

How to select the right BOSTON GEAR coupling hub for my application?

To select the correct BOSTON GEAR coupling hub, match the shaft diameter and keyway type to your equipment. The FC38 1-1/4 is designed for inch keyed shafts and delivers 11.1 hp. Verify the outside diameter of 3 3/4 in fits your space constraints. Consult a BOSTON GEAR catalog for torque ratings and bore options.

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 →

Similar products

Matched by specification & description
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-1/2). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-1/2). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-7/8). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-7/8). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-9/16). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-9/16). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC12-3/8). Key specifications — attr662280: 0.19 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC12-3/8). Key specifications — attr662280: 0.19 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC25-3/4). Key specifications — attr662280: 2.9 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC25-3/4). Key specifications — attr662280: 2.9 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC45 2-1/8). Key specifications — attr662280: 17.5 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC45 2-1/8). Key specifications — attr662280: 17.5 hp; attr662259: BOSTON GEAR.

More from BOSTON GEAR

View all BOSTON GEAR parts →
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-15/16). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-15/16). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-7/8). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC20 Coupling Size, 2 in Outside Dia, 3 11/16 in Coupling Overall Lg (MPN FC20-7/8). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC15 Coupling Size, 1 1/2 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC15-9/16). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC15 Coupling Size, 1 1/2 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC15-9/16). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC25-7/8). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC25-7/8). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-5/8). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-5/8). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-3/4). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC38 1-3/4). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC12-7/16). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, For Keyed Shaft Type (MPN FC12-7/16). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR Shaft Coupler Body: FC30 Coupling Size, 3 in Outside Dia, 5 15/32 in Coupling Overall Lg (MPN FC30 1-1/8). Key specifications — attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Shaft Coupler Body: FC30 Coupling Size, 3 in Outside Dia, 5 15/32 in Coupling Overall Lg (MPN FC30 1-1/8). Key specifications — attr662259: BOSTON GEAR.