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MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 1/4 in x 1/8 in Keyway Size - Keyed Bore Chain Coupling Sprockets
MARTINKeyed Bore Chain Coupling Sprockets

MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 1/4 in x 1/8 in Keyway Size

The MARTIN Chain Shaft Coupling Hub: 50 is a keyed bore chain coupling sprocket made of steel. It features a round keyed 2 in bore diameter with a 1/4 in x 1/8 in keyway size. This component is identified by…

SKU 3G-OTH-133022

Brand
MARTIN
Item
Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 1/4 in x 1/8 in Keyway Size
Category
Keyed Bore Chain Coupling Sprockets
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Technical Specifications

MARTIN
Manufacturer Part Number
5018 x 1-1/8
Type
Steel, Round Keyed
Bore Dia
2 in
Keyway Size
1/4 in x 1/8 in
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MARTIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARTIN Chain Shaft Coupling Hub: 50 is a keyed bore chain coupling sprocket made of steel. It features a round keyed 2 in bore diameter with a 1/4 in x 1/8 in keyway size. This component is identified by manufacturer part number 5018 x 1-1/8.

Frequently Asked Questions

What is a MARTIN Chain Shaft Coupling Hub used for?

A MARTIN Chain Shaft Coupling Hub connects two rotating shafts in power transmission systems, commonly used in conveyors, gearboxes, and industrial machinery. It transmits torque through a roller chain, accommodating minor misalignment. 3G Electric supplies this steel hub with a 2 in bore for reliable mechanical drive applications.

What are the specifications of the MARTIN 5018 x 1-1/8 coupling hub?

The MARTIN Chain Shaft Coupling Hub: 50 has a 2 in bore diameter with a round keyed design and a 1/4 in x 1/8 in keyway. It is made of steel and is identified by manufacturer part number 5018 x 1-1/8. This hub is part of the size 50 chain coupling series.

Where to buy MARTIN chain coupling hubs worldwide?

3G Electric sources and delivers MARTIN chain coupling hubs worldwide. As a global industrial supplier, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the MARTIN 5018 x 1-1/8 steel hub with a 2 in bore.

How to select the correct MARTIN chain coupling hub?

Select a MARTIN chain coupling hub by matching the bore diameter and keyway size to your shaft. For the 5018 x 1-1/8 model, ensure your shaft is 2 in diameter with a 1/4 in x 1/8 in keyway. Verify the coupling size (50) matches your chain pitch and sprocket requirements for proper torque transmission.

Used in

Common applications for MARTIN
Conveyor systems — MARTIN chain coupling sprockets (e.g., 6020SK) for torque transmission between motor and conveyor shaft.
Pump drives — MARTIN keyed bore coupling sprockets (e.g., 4016 x 1-3/16) for connecting pump impeller shafts.
Material handling equipment — MARTIN QD bushed sprockets (e.g., 5018SH) for adjustable bore mounting in bucket elevators.
Industrial gearboxes — MARTIN grid coupling seal kits (e.g., 1040T10-SEAL) to dampen vibration in gearbox output shafts.
Compressor systems — MARTIN spacer hubs (e.g., 1120T-SH) for aligning compressor and motor shafts with parallel keyways.
Mining machinery — MARTIN chain coupling hubs (e.g., 10018 x 2-7/16) for heavy-duty torque transfer in crusher drives.

MARTIN Products

3G Electric supplies MARTIN keyed bore chain coupling sprockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 3/8 in x 3/16 in Keyway Size, Round Keyed (MPN 5018 x 1-7/16). Key specifications — attr673435: Round Keyed; attr673436: 2 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.
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MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 3/8 in x 3/16 in Keyway Size, Round Keyed (MPN 5018 x 1-7/16). Key specifications — attr673435: Round Keyed; attr673436: 2 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.
MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 3/8 in x 3/16 in Keyway Size, Round Keyed (MPN 5018 x 1-1/2). Key specifications — attr673435: Round Keyed; attr673436: 2 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.
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MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 3/8 in x 3/16 in Keyway Size, Round Keyed (MPN 5018 x 1-5/8). Key specifications — attr673435: Round Keyed; attr673436: 2 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.
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MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 11/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 5016 x 1). Key specifications — attr673435: Round Keyed; attr673436: 1-11/16 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.

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MARTIN Chain Shaft Coupling Hub: 100, Steel, 3 7/8 in Bore Dia, 7/8 in x 7/16 in Keyway Size (MPN 10018 x 3-7/16). Key specifications — attr673435: Round Keyed; attr673436: 3-7/8 in; attr673438: 100; attr673457: Steel; attr85393: MARTIN.
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MARTIN Chain Shaft Coupling Hub: 60, Steel, 3 in Bore Dia, 3/8 in x 3/16 in Keyway Size, Round Keyed (MPN 6022 x 1-3/4). Key specifications — attr673435: Round Keyed; attr673436: 3 in; attr673438: 60; attr673457: Steel; attr85393: MARTIN.
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