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MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric - General Purpose Straight Jaw Coupling Hubs
MASTERDRIVEGeneral Purpose Straight Jaw Coupling Hubs

MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric

The MASTERDRIVE Coupling Flange is a general purpose straight jaw coupling hub with a 2 1/16 in outside diameter and 2 in overall length. It features a metric 12 mm bore diameter (MPN 3J-12MM). 3G Electric interprets…

SKU 3G-OTH-157302

Also listed as: 3J12MM · 3J 12MM

Brand
MASTERDRIVE
Item
Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric
Category
General Purpose Straight Jaw Coupling Hubs
Available to Order
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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
3J-12MM
Type
Metric
Bore Dia
12 mm
Coupling Overall Lg
2 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 1/16 in outside diameter and 2 in overall length. It features a metric 12 mm bore diameter (MPN 3J-12MM). 3G Electric interprets demand and delivers this genuine industrial component across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the MASTERDRIVE 3J-12MM coupling flange used for?

The MASTERDRIVE 3J-12MM is a general-purpose straight jaw coupling hub designed to connect a 12 mm bore shaft to a mating spider insert. It is commonly used in industrial power transmission applications such as pumps, conveyors, and compressors where misalignment compensation and torque transfer are required.

What are the specifications of the MASTERDRIVE 3J-12MM coupling flange?

This MASTERDRIVE coupling flange has a 2 1/16 in outside diameter, a 2 in overall coupling length, and a 12 mm bore diameter. It is a metric straight jaw hub, part number 3J-12MM, designed for general-purpose industrial coupling applications.

Where to buy the MASTERDRIVE 3J-12MM coupling flange worldwide?

You can source the MASTERDRIVE 3J-12MM coupling flange through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the part reaches your facility reliably.

How to select the correct MASTERDRIVE coupling flange for a 12 mm shaft?

To select the correct MASTERDRIVE coupling flange, match the bore diameter to your shaft size—here 12 mm. Verify the outside diameter and overall length fit your space constraints. Ensure the jaw profile matches the spider insert for proper torque transmission and misalignment tolerance.

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 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric, 11 mm Bore Dia (MPN 3J-11MM)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric, 11 mm Bore Dia (MPN 3J-11MM)
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric, 15 mm Bore Dia (MPN 3J-15MM)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric, 15 mm Bore Dia (MPN 3J-15MM)
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric, 14 mm Bore Dia (MPN 3J-14MM)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric, 14 mm Bore Dia (MPN 3J-14MM)
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Inch, 1/2 in Bore Dia (MPN 3J-1/2)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Inch, 1/2 in Bore Dia (MPN 3J-1/2)
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Metric (MPN 4J-16MM)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 15/32 in Outside Dia, 2 3/8 in Coupling Overall Lg, Metric (MPN 4J-16MM)
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric, 19 mm Bore Dia (MPN 3J-19MM)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 2 1/16 in Outside Dia, 2 in Coupling Overall Lg, Metric, 19 mm Bore Dia (MPN 3J-19MM)

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