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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 2 3/8 in overall length. This inch-type component, MPN 4J-1/2, is designed for power transmission…

SKU 3G-OTH-157296

Also listed as: 4J12 · 4J 1 2 · 4J-1-2

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
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Technical specs
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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

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

Technical Documents

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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 2 3/8 in overall length. This inch-type component, MPN 4J-1/2, is designed for power transmission applications requiring a reliable jaw coupling interface.

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 a MASTERDRIVE coupling flange used for?

A MASTERDRIVE coupling flange connects a motor shaft to a driven component in power transmission systems. It is commonly used in industrial machinery, pumps, and conveyors where reliable torque transfer and misalignment compensation are required. This inch-sized hub fits straight jaw couplings for general-purpose applications.

What are the specifications of the MASTERDRIVE 4J-1/2 coupling flange?

The MASTERDRIVE 4J-1/2 coupling flange has a 2 15/32 in outside diameter and a 2 3/8 in coupling overall length. It is an inch-sized general purpose straight jaw coupling hub. The manufacturer part number is 4J-1/2, and it is designed for use with MASTERDRIVE brand components.

Where to buy MASTERDRIVE coupling flanges worldwide?

You can source MASTERDRIVE coupling flanges through 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 on the 4J-1/2 model. We supply genuine MASTERDRIVE components for industrial power transmission needs.

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

To select the correct MASTERDRIVE coupling flange, match the outside diameter and overall length to your existing coupling hub. Verify shaft size and keyway dimensions. For the 4J-1/2, ensure it fits a 2 15/32 in bore. Consult the MASTERDRIVE catalog for torque ratings and misalignment limits. 3G Electric can assist with sizing guidance.

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.

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Cross-referenced by specification & description
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MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Metric (MPN 4J-14MM)
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-3/4)
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MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-5/8)
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MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-5/8)

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