Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg - General Purpose Straight Jaw Coupling Hubs
MASTERDRIVEGeneral Purpose Straight Jaw Coupling Hubs

MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg

The MASTERDRIVE Coupling Flange is a General Purpose Straight Jaw Coupling Hub with a 2 15/32 in outside diameter and a 2 3/8 in overall length. This inch-type hub, MPN 4J-1, is designed for direct shaft connection…

SKU 3G-OTH-157215

Also listed as: 4J1 · 4J 1

Brand
MASTERDRIVE
Item
Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg
Category
General Purpose 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 — 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

MASTERDRIVE
Manufacturer Part Number
4J-1
Type
Inch
Coupling Overall Lg
2 3/8 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

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

Product Description

The MASTERDRIVE Coupling Flange is a General Purpose Straight Jaw Coupling Hub with a 2 15/32 in outside diameter and a 2 3/8 in overall length. This inch-type hub, MPN 4J-1, is designed for direct shaft connection in power transmission applications. 3G Electric interprets your demand, sources this genuine MASTERDRIVE component, and supports your procurement across 14 industrial departments — with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is a MASTERDRIVE coupling flange used for?

A MASTERDRIVE coupling flange connects a motor shaft to a driven component in power transmission systems. It is used across industrial machinery, conveyors, and pumps to transmit torque while accommodating minor misalignment. 3G Electric supplies this inch-series straight jaw coupling hub for global industrial applications.

What are the specifications of the MASTERDRIVE coupling flange 4J-1?

The MASTERDRIVE coupling flange 4J-1 has a 2 15/32 in outside diameter and a 2 3/8 in coupling overall length. It is an inch-type general purpose straight jaw coupling hub. This part is designed for reliable torque transmission in industrial drives. 3G Electric sources and delivers this genuine MASTERDRIVE component worldwide.

Where to buy MASTERDRIVE coupling flange 4J-1 worldwide?

3G Electric supplies the MASTERDRIVE coupling flange 4J-1 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine MASTERDRIVE parts and support your procurement needs across all regions.

How to select the right MASTERDRIVE coupling flange for my application?

To select the correct MASTERDRIVE coupling flange, match the outside diameter and overall length to your shaft dimensions and torque requirements. Verify the inch-series straight jaw hub fits your existing coupling system. 3G Electric can help interpret your application needs and provide the right MASTERDRIVE part for reliable power transmission.

Used in

Common applications for MASTERDRIVE
Pump drives — MASTERDRIVE finished bore close-coupled flanges (e.g., size 8, cast iron) for direct motor-to-pump shaft connections
Conveyor systems — MASTERDRIVE jaw coupling spiders (e.g., L099/100U) for light-duty power transmission between motor and gearbox
Compressor applications — MASTERDRIVE two-piece sleeve coupling inserts (e.g., 9N) for high-torque, moderate-speed compressor drives
Industrial fans — MASTERDRIVE QD bushed flanges (e.g., size 6, JA bushing) for quick installation on fan shafts
Mixer and agitator drives — MASTERDRIVE metric bore flanges (e.g., size 11, 52mm) for European-standard shaft connections
General power transmission — MASTERDRIVE coupling flanges in sizes 5-11 for connecting rotating equipment with parallel shafts

MASTERDRIVE Products

3G Electric supplies MASTERDRIVE general purpose 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
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-1/2)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-1/2)
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Inch, 3/8 in Bore Dia (MPN 3J-3/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Inch, 3/8 in Bore Dia (MPN 3J-3/8)
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Inch, 7/8 in Bore Dia (MPN 3J-7/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Inch, 7/8 in Bore Dia (MPN 3J-7/8)
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Inch, 3/4 in Bore Dia (MPN 3J-3/4)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Inch, 3/4 in Bore Dia (MPN 3J-3/4)
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-5/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-5/8)
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-15/16)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-15/16)

More from MASTERDRIVE

View all MASTERDRIVE parts
MASTERDRIVE Jaw Coupling Hub: L099 Coupling Size, 2 17/32 in Outside Dia, Inch, For Keyed Shaft Type (MPN L099-1-3/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L099 Coupling Size, 2 17/32 in Outside Dia, Inch, For Keyed Shaft Type (MPN L099-1-3/16)
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-7/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-7/16)
MASTERDRIVE Jaw Coupling Spider: L075 Coupling Size, 1 3/4 in Outside Dia, Inch, 0.360 hp, Hytrel (MPN L075H)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Spider: L075 Coupling Size, 1 3/4 in Outside Dia, Inch, 0.360 hp, Hytrel (MPN L075H)
MASTERDRIVE Jaw Coupling Hub: L110 Coupling Size, 3 5/16 in Outside Dia, Inch, For Keyed Shaft Type (MPN L110-7/8)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L110 Coupling Size, 3 5/16 in Outside Dia, Inch, For Keyed Shaft Type (MPN L110-7/8)
MASTERDRIVE Jaw Coupling Hub: L225 Coupling Size, 5 in Outside Dia, 6 9/64 in Coupling Overall Lg (MPN L225-1-5/8)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L225 Coupling Size, 5 in Outside Dia, 6 9/64 in Coupling Overall Lg (MPN L225-1-5/8)
MASTERDRIVE Jaw Coupling Spider: L099/L100 Coupling Size, 2 17/32 in Outside Dia, Inch, 1.257 hp (MPN L099/100B)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Spider: L099/L100 Coupling Size, 2 17/32 in Outside Dia, Inch, 1.257 hp (MPN L099/100B)
MASTERDRIVE Jaw Coupling Hub: L110 Coupling Size, 3 5/16 in Outside Dia, Inch, For Keyed Shaft Type (MPN L110-1-1/8)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L110 Coupling Size, 3 5/16 in Outside Dia, Inch, For Keyed Shaft Type (MPN L110-1-1/8)
MASTERDRIVE Jaw Coupling Hub: L225 Coupling Size, 5 in Outside Dia, 6 9/64 in Coupling Overall Lg (MPN L225-2-7/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L225 Coupling Size, 5 in Outside Dia, 6 9/64 in Coupling Overall Lg (MPN L225-2-7/16)