Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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 2 in round keyed bore with a 1/4 in x 1/8 in keyway size. This component is identified by manufacturer part…

SKU 3G-OTH-133027

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
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

MARTIN
Manufacturer Part Number
5018 x 1-3/16
Type
Steel, Round Keyed
Bore Dia
2 in
Keyway Size
1/4 in x 1/8 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 2 in round keyed bore with a 1/4 in x 1/8 in keyway size. This component is identified by manufacturer part number 5018 x 1-3/16.

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 power transfer.

What are the specifications of the MARTIN 5018 x 1-3/16 coupling hub?

The MARTIN Chain Shaft Coupling Hub: 50 has a 2 in round keyed bore, a 1/4 in x 1/8 in keyway, and is made of steel. It is a size 50 sprocket hub with manufacturer part number 5018 x 1-3/16. 3G Electric sources this genuine MARTIN component for industrial drive applications.

Where to buy MARTIN chain coupling hubs worldwide?

3G Electric supplies MARTIN chain coupling hubs worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine MARTIN components like the 5018 x 1-3/16 hub. Contact us for availability and lead time to your location.

How to select the right MARTIN chain coupling hub size?

Select a MARTIN chain coupling hub by matching the bore diameter and keyway to your shaft, and the sprocket size (e.g., 50) to the chain pitch and torque requirements. Verify the hub material (steel) suits your environment. 3G Electric can help interpret your application needs and source the correct MARTIN part.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

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

More from MARTIN

View all MARTIN parts
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 1-1/8). Key specifications — attr673435: Round Keyed; attr673436: 1-11/16 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.
MARTIN
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 1-1/8). Key specifications — attr673435: Round Keyed; attr673436: 1-11/16 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.
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.
MARTIN
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.
MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 1/2 in x 1/4 in Keyway Size, Round Keyed (MPN 5018 x 1-7/8). Key specifications — attr673435: Round Keyed; attr673436: 2 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 1/2 in x 1/4 in Keyway Size, Round Keyed (MPN 5018 x 1-7/8). 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, 3/16 in x 3/32 in Keyway Size, 18 Teeth (MPN 5018 x 7/8). Key specifications — attr673435: Round Keyed; attr673436: 2 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 3/16 in x 3/32 in Keyway Size, 18 Teeth (MPN 5018 x 7/8). Key specifications — attr673435: Round Keyed; attr673436: 2 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.
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.
MARTIN
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.
MARTIN Chain Shaft Coupling Hub: 100, Steel, 4 5/8 in Bore Dia, 1 in x 1/2 in Keyway Size, 20 Teeth (MPN 10020 x 3-15/16). Key specifications — attr673435: Round Keyed; attr673436: 4-5/8 in; attr673438: 100; attr673457: Steel; attr85393: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 100, Steel, 4 5/8 in Bore Dia, 1 in x 1/2 in Keyway Size, 20 Teeth (MPN 10020 x 3-15/16). Key specifications — attr673435: Round Keyed; attr673436: 4-5/8 in; attr673438: 100; attr673457: Steel; attr85393: MARTIN.
MARTIN Chain Shaft Coupling Hub: 60, Steel, 3 in Bore Dia, 1/2 in x 1/4 in Keyway Size, Round Keyed (MPN 6022 x 1-15/16). Key specifications — attr673435: Round Keyed; attr673436: 3 in; attr673438: 60; attr673457: Steel; attr85393: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 60, Steel, 3 in Bore Dia, 1/2 in x 1/4 in Keyway Size, Round Keyed (MPN 6022 x 1-15/16). Key specifications — attr673435: Round Keyed; attr673436: 3 in; attr673438: 60; attr673457: Steel; attr85393: MARTIN.
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 3/16 in x 3/32 in Keyway Size (MPN 4016 x 7/8). Key specifications — attr673435: Round Keyed; attr673436: 1-5/16 in; attr673438: 40; attr673457: Steel; attr85393: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 3/16 in x 3/32 in Keyway Size (MPN 4016 x 7/8). Key specifications — attr673435: Round Keyed; attr673436: 1-5/16 in; attr673438: 40; attr673457: Steel; attr85393: MARTIN.