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MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch - General Purpose Straight Jaw Coupling Hubs
MASTERDRIVEGeneral Purpose Straight Jaw Coupling Hubs

MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch

The MASTERDRIVE L090-7/8 is a general purpose straight jaw coupling hub in the L090 coupling size, designed for inch keyed shaft applications. It features a 2 1/8 in outside diameter and is manufactured by…

SKU 3G-OTH-156928

Also listed as: L09078 · L090 7 8 · L090-7-8

Brand
MASTERDRIVE
Item
Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch
Category
General Purpose Straight Jaw Coupling Hubs
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Payment
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Technical Specifications

MASTERDRIVE
Manufacturer Part Number
L090-7/8
Type
Inch, For Keyed Shaft Type
Outside Dia
2 1/8 in

Technical Documents

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MASTERDRIVE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MASTERDRIVE L090-7/8 is a general purpose straight jaw coupling hub in the L090 coupling size, designed for inch keyed shaft applications. It features a 2 1/8 in outside diameter and is manufactured by MASTERDRIVE. 3G Electric interprets customer 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 a MASTERDRIVE L090 jaw coupling hub used for?

A MASTERDRIVE L090 jaw coupling hub connects a motor shaft to a driven component in power transmission systems. It accommodates misalignment and dampens vibration in industrial machinery, conveyors, and pumps. This hub fits keyed shafts and is part of a general-purpose straight jaw coupling assembly.

What are the specifications of the MASTERDRIVE L090-7/8 jaw coupling hub?

The MASTERDRIVE L090-7/8 is a general-purpose straight jaw coupling hub with a 2 1/8 in outside diameter. It is designed for inch keyed shafts and has a coupling size of L090. The manufacturer part number is L090-7/8. It is supplied by 3G Electric.

Where to buy a MASTERDRIVE L090 jaw coupling hub worldwide?

3G Electric supplies the MASTERDRIVE L090 jaw coupling hub to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this inch-size hub for keyed shafts.

How to select the correct MASTERDRIVE jaw coupling hub for a keyed shaft?

To select the correct MASTERDRIVE jaw coupling hub, match the coupling size (e.g., L090) and shaft bore diameter to your motor and driven equipment. Verify the outside diameter (2 1/8 in) and shaft keyway dimensions. 3G Electric can help confirm compatibility for your application.

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 Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-9/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-9/16)
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-1-1/8)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-1-1/8)
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-13/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-13/16)
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-15/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-15/16)
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-1)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Inch, For Keyed Shaft Type (MPN L090-1)
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Metric, For Keyed Shaft Type (MPN L090-22MM)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L090 Coupling Size, 2 1/8 in Outside Dia, Metric, For Keyed Shaft Type (MPN L090-22MM)

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