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MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 11/16 in Bore Dia, For Round Shaft Type - QD Bushed Coupling Sprockets
MARTINQD Bushed Coupling Sprockets

MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 11/16 in Bore Dia, For Round Shaft Type

The MARTIN Chain Shaft Coupling Hub: 50 (MPN 5018SH) is a QD Bushed Coupling Sprocket made of steel, featuring a Quick Disconnect Bushing and a bore diameter range of 1/2 to 1-11/16 in. This hub-side component has 18…

SKU 3G-OTH-132433

Brand
MARTIN
Item
Chain Shaft Coupling Hub: 50, Steel, 1 11/16 in Bore Dia, For Round Shaft Type
Category
QD Bushed Coupling Sprockets
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Technical Specifications

MARTIN
Manufacturer Part Number
5018SH
Type
Steel, For Round Shaft Type
Teeth
18
Bore Dia
1 11/16 in
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MARTIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARTIN Chain Shaft Coupling Hub: 50 (MPN 5018SH) is a QD Bushed Coupling Sprocket made of steel, featuring a Quick Disconnect Bushing and a bore diameter range of 1/2 to 1-11/16 in. This hub-side component has 18 teeth and is designed for round shaft types.

Frequently Asked Questions

What is the MARTIN 5018SH chain shaft coupling hub used for?

The MARTIN 5018SH chain shaft coupling hub connects a motor or driven shaft to a sprocket using a roller chain, transmitting torque in industrial power transmission systems. It is commonly used in conveyors, material handling, and heavy machinery where reliable, misalignment-tolerant coupling is required.

What are the specifications of the MARTIN 5018SH coupling hub?

The MARTIN 5018SH is a steel QD bushed coupling sprocket with 18 teeth, a hub-side design, and a bore diameter range of 1/2 to 1-11/16 in. It uses a Quick Disconnect Bushing for easy installation and removal, and is rated for size 50 chain. The manufacturer part number is 5018SH.

Where to buy the MARTIN 5018SH coupling hub worldwide?

3G Electric supplies the MARTIN 5018SH coupling hub worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this component to any international destination.

How to install a MARTIN QD bushed coupling hub?

To install the MARTIN 5018SH, slide the Quick Disconnect Bushing onto the shaft, align the hub over the bushing, and tighten the cap screws evenly to the manufacturer's torque specification. Ensure the shaft is clean and lubricated. Always follow generic best practices for keyed shaft alignment and chain tensioning.

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 qd bushed 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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