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MASTERDRIVE L190-2 General Purpose Straight Jaw Coupling Hub - General Purpose Straight Jaw Coupling Hubs
MASTERDRIVEGeneral Purpose Straight Jaw Coupling Hubs

MASTERDRIVE L190-2 General Purpose Straight Jaw Coupling Hub

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

SKU 3G-OTH-157344

Also listed as: L1902 · L190 2

Brand
MASTERDRIVE
Item
L190-2 General Purpose Straight Jaw Coupling Hub
Part Number
L190-2
Category
General Purpose Straight Jaw Coupling Hubs
Available to Order
Also known as:L190-2MASTERDRIVE
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Technical Specifications

MASTERDRIVE
Manufacturer Part Number
L190-2
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 L190-2 Jaw Coupling Hub is a general purpose straight jaw coupling hub with an L190 coupling size, a 4 1/2 in outside diameter, and a 5 1/4 in coupling overall length. 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 L190-2 jaw coupling hub used for?

The MASTERDRIVE L190-2 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, compressors, conveyors, and gearboxes. This L190 size hub has a 4 1/2 in outside diameter and a 5 1/4 in coupling overall length.

What are the specifications of the MASTERDRIVE L190-2 jaw coupling hub?

The MASTERDRIVE L190-2 is a straight jaw coupling hub with an L190 coupling size. Its outside diameter is 4 1/2 in, and the coupling overall length is 5 1/4 in. The manufacturer part number is L190-2. It is designed for general-purpose industrial applications requiring reliable torque transmission and misalignment accommodation.

Where to buy the MASTERDRIVE L190-2 jaw coupling hub worldwide?

You can source the MASTERDRIVE L190-2 jaw coupling hub worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine MASTERDRIVE components for power transmission systems.

How to select the correct MASTERDRIVE jaw coupling hub size?

To select the correct MASTERDRIVE jaw coupling hub, match the coupling size (e.g., L190) to your shaft diameters and torque requirements. Verify the outside diameter and overall length against your existing coupling assembly. For the L190-2, the outside diameter is 4 1/2 in and overall length is 5 1/4 in. Consult the manufacturer's catalog for bore and keyway options.

Used in

Common applications for MASTERDRIVE
Pump drives — MASTERDRIVE L110 or L190 jaw coupling hubs with elastomeric spiders to accommodate misalignment between motor and pump shafts.
Gearbox input connections — MASTERDRIVE finished bore close-coupled flanges in size 10 or 11 for rigid mounting to gearbox shafts.
Conveyor systems — MASTERDRIVE straight jaw coupling hubs in L035 or L110 sizes for light-to-medium duty torque transmission.
Mixers and agitators — MASTERDRIVE cast iron close-coupled flanges with keyed bores for direct motor mounting in vertical or horizontal arrangements.
Compressor packages — MASTERDRIVE jaw coupling hubs and inserts for connecting motor shafts to compressor input shafts with vibration damping.
MRO spares — individual MASTERDRIVE hubs, flanges, and spiders for replacement of worn coupling components without full assembly changeout.
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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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