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MASTERDRIVE Coupling Flange: 3 1/4 in Outside Dia, 2 7/8 in Coupling Overall Lg - General Purpose Straight Jaw Coupling Hubs
MASTERDRIVEGeneral Purpose Straight Jaw Coupling Hubs

MASTERDRIVE Coupling Flange: 3 1/4 in Outside Dia, 2 7/8 in Coupling Overall Lg

The MASTERDRIVE Coupling Flange is a General Purpose Straight Jaw Coupling Hub with a 3 1/4 in outside diameter and a 2 7/8 in coupling overall length. This inch-type component, manufacturer part number 5J-1/2, is…

SKU 3G-OTH-157214

Also listed as: 5J12 · 5J 1 2 · 5J-1-2

Brand
MASTERDRIVE
Item
Coupling Flange: 3 1/4 in Outside Dia, 2 7/8 in Coupling Overall Lg
Category
General Purpose Straight Jaw Coupling Hubs
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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
5J-1/2
Type
Inch
Coupling Overall Lg
2 7/8 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 3 1/4 in outside diameter and a 2 7/8 in coupling overall length. This inch-type component, manufacturer part number 5J-1/2, is designed for industrial power transmission applications.

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 as part of a broad range of mechanical power transmission components.

What are the specifications of the MASTERDRIVE 5J-1/2 coupling flange?

The MASTERDRIVE 5J-1/2 is a general purpose straight jaw coupling hub with a 3 1/4 in outside diameter and a 2 7/8 in coupling overall length. It is an inch-series component designed for straight jaw coupling systems. 3G Electric sources this genuine MASTERDRIVE part for industrial applications.

Where to buy a MASTERDRIVE coupling flange worldwide?

3G Electric supplies the MASTERDRIVE coupling flange to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the MASTERDRIVE 5J-1/2 or other power transmission components for your application.

How to select the right MASTERDRIVE coupling flange?

To select the correct MASTERDRIVE coupling flange, match the shaft diameter, outside diameter, and overall length to your coupling system. Verify the inch-series dimensions and ensure the jaw type aligns with your existing hub. 3G Electric can help interpret your requirements and source the right MASTERDRIVE part for your machinery.

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

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MASTERDRIVE Jaw Coupling Hub: L225 Coupling Size, 5 in Outside Dia, 6 9/64 in Coupling Overall Lg (MPN L225-2-7/16)