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MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg - General Purpose Straight Jaw Coupling Hubs
MASTERDRIVEGeneral Purpose Straight Jaw Coupling Hubs

MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg

The MASTERDRIVE Coupling Flange is a general purpose straight jaw coupling hub with a 4 in outside diameter and 3 5/16 in overall length. This inch-type component, MPN 6J-1-3/8, is designed for industrial power…

SKU 3G-OTH-157322

Also listed as: 6J138 · 6J 1 3 8 · 6J-1-3-8

Brand
MASTERDRIVE
Item
Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg
Category
General Purpose Straight Jaw Coupling Hubs
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MASTERDRIVE
Manufacturer Part Number
6J-1-3/8
Type
Inch
Coupling Overall Lg
3 5/16 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 4 in outside diameter and 3 5/16 in overall length. This inch-type component, MPN 6J-1-3/8, is designed for industrial power transmission applications requiring a direct, jaw-style connection.

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 misalignment compensation and torque transfer are required. This general purpose straight jaw coupling hub suits inch-dimension applications.

What are the specifications of the MASTERDRIVE 6J-1-3/8 coupling flange?

The MASTERDRIVE coupling flange has a 4 in outside diameter and a 3 5/16 in coupling overall length. It is an inch-type general purpose straight jaw coupling hub. The manufacturer part number is 6J-1-3/8. This flange is designed for use with MASTERDRIVE jaw coupling systems.

Where to buy MASTERDRIVE coupling flange 6J-1-3/8 worldwide?

You can source the MASTERDRIVE coupling flange 6J-1-3/8 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 this inch-type straight jaw coupling hub.

How to select the correct 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 coupling type (straight jaw hub) and ensure it is inch-sized. Consult the manufacturer's catalog for bore size compatibility and load ratings.

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: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch, 7/8 in Bore Dia (MPN 6J-7/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch, 7/8 in Bore Dia (MPN 6J-7/8)
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch (MPN 6J-1-1/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch (MPN 6J-1-1/8)
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch, 3/16 in Bore Dia (MPN 6J-1-3/16)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch, 3/16 in Bore Dia (MPN 6J-1-3/16)
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch, 5/8 in Bore Dia (MPN 6J-5/8)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch, 5/8 in Bore Dia (MPN 6J-5/8)
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch (MPN 6J-15/16)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch (MPN 6J-15/16)
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch, 3/4 in Bore Dia (MPN 6J-3/4)
MASTERDRIVE
MASTERDRIVE Coupling Flange: 4 in Outside Dia, 3 5/16 in Coupling Overall Lg, Inch, 3/4 in Bore Dia (MPN 6J-3/4)

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MASTERDRIVE Jaw Coupling Hub: L110 Coupling Size, 3 5/16 in Outside Dia, Inch, For Keyed Shaft Type (MPN L110-1-1/8)
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