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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 a 2 3/8 in coupling overall length. This inch-type component, MPN 4J-7/8, is a genuine MASTERDRIVE…

SKU 3G-OTH-157290

Also listed as: 4J78 · 4J 7 8 · 4J-7-8

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
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MASTERDRIVE
Manufacturer Part Number
4J-7/8
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 a 2 3/8 in coupling overall length. This inch-type component, MPN 4J-7/8, is a genuine MASTERDRIVE product.

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 in industrial machinery, pumps, and conveyors to transmit torque while accommodating minor misalignment. 3G Electric supplies this flange across 14 industrial departments.

What are the specifications of the MASTERDRIVE 4J-7/8 coupling flange?

The MASTERDRIVE 4J-7/8 is a general purpose straight jaw coupling hub with a 2 15/32 in outside diameter and 2 3/8 in coupling overall length. It is an inch-series component. 3G Electric sources this genuine MASTERDRIVE part for global delivery.

Where to buy MASTERDRIVE coupling flanges worldwide?

3G Electric supplies MASTERDRIVE coupling flanges worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your facility. Contact us to order the 4J-7/8 or other MASTERDRIVE power transmission components.

How to select the right MASTERDRIVE coupling flange?

Select a MASTERDRIVE coupling flange by matching shaft diameters, overall length, and outside diameter to your application. Verify the inch-series dimensions and torque requirements. 3G Electric can help interpret your needs and source the correct MASTERDRIVE part for your system.

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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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-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-3/4)
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)
MASTERDRIVE Coupling Flange: 3 1/4 in Outside Dia, 2 7/8 in Coupling Overall Lg, Inch (MPN 5J-1/2)
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MASTERDRIVE Coupling Flange: 3 1/4 in Outside Dia, 2 7/8 in Coupling Overall Lg, Inch (MPN 5J-1/2)
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MASTERDRIVE Coupling Flange: 3 1/4 in Outside Dia, 2 7/8 in Coupling Overall Lg, Inch, 1 in Bore Dia (MPN 5J-1)
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Inch (MPN 4J-1/2)
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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 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Metric (MPN 4J-25MM)
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MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Metric (MPN 4J-25MM)

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