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MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia - General Purpose Straight Jaw Coupling Hubs
MASTERDRIVEGeneral Purpose Straight Jaw Coupling Hubs

MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia

The MASTERDRIVE Jaw Coupling Hub is a general purpose straight jaw coupling hub in L190 coupling size, with a 4 1/2 in outside diameter and 5 1/4 in coupling overall length (MPN L190-1-5/8). 3G Electric interprets…

SKU 3G-OTH-157348

Also listed as: L190158 · L190 1 5 8 · L190-1-5-8

Brand
MASTERDRIVE
Item
Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia
Category
General Purpose Straight Jaw Coupling Hubs
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MASTERDRIVE
Manufacturer Part Number
L190-1-5/8
Outside Dia
4 1/2 in
Coupling Overall Lg
5 1/4 in

Technical Documents

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

Product Description

The MASTERDRIVE Jaw Coupling Hub is a general purpose straight jaw coupling hub in L190 coupling size, with a 4 1/2 in outside diameter and 5 1/4 in coupling overall length (MPN L190-1-5/8). 3G Electric interprets demand for this component across 14 industrial departments, with specialist depth in power transmission and controls to support your sourcing needs.

Frequently Asked Questions

What is the MASTERDRIVE L190-1-5/8 jaw coupling hub used for?

The MASTERDRIVE L190-1-5/8 is a general-purpose straight jaw coupling hub used to connect two rotating shafts in industrial power transmission systems. It accommodates misalignment and dampens vibration in pumps, conveyors, and gearboxes. 3G Electric supplies this hub for worldwide applications.

What are the specifications of the MASTERDRIVE L190-1-5/8 jaw coupling hub?

The MASTERDRIVE L190-1-5/8 is a straight jaw coupling hub with L190 coupling size, 4 1/2 in outside diameter, and 5 1/4 in coupling overall length. The manufacturer part number is L190-1-5/8. It is designed for general-purpose industrial shaft coupling applications.

Where to buy the MASTERDRIVE L190-1-5/8 jaw coupling hub worldwide?

You can source the MASTERDRIVE L190-1-5/8 jaw coupling hub from 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.

How to select the correct MASTERDRIVE jaw coupling hub for my application?

To select the correct MASTERDRIVE jaw coupling hub, match the coupling size (L190), outside diameter (4 1/2 in), and overall length (5 1/4 in) to your shaft dimensions and torque requirements. Verify bore size and keyway fit. 3G Electric can assist with sizing guidance for your specific drive 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 Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-3/4)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-3/4)
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-11/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-11/16)
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-5/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-5/16)
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-3/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-3/16)
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-3/8)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-3/8)
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-15/16)
MASTERDRIVE
MASTERDRIVE Jaw Coupling Hub: L190 Coupling Size, 4 1/2 in Outside Dia, 5 1/4 in Coupling Overall Lg (MPN L190-1-15/16)

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