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MARTIN Chain Shaft Coupling Hub: 80, Steel, 2 15/16 in Bore Dia, For Round Shaft Type - QD Bushed Coupling Sprockets
MARTINQD Bushed Coupling Sprockets

MARTIN Chain Shaft Coupling Hub: 80, Steel, 2 15/16 in Bore Dia, For Round Shaft Type

The MARTIN Chain Shaft Coupling Hub: 80 (MPN 8018SF) is a QD Bushed Coupling Sprocket made of steel with 18 teeth. It features a Quick Disconnect Bushing and a bore diameter range of 1/2 to 2-15/16 inches, designed…

SKU 3G-OTH-132436

Brand
MARTIN
Item
Chain Shaft Coupling Hub: 80, Steel, 2 15/16 in Bore Dia, For Round Shaft Type
Category
QD Bushed Coupling Sprockets
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Technical Specifications

MARTIN
Manufacturer Part Number
8018SF
Type
Steel, For Round Shaft Type
Teeth
18
Bore Dia
2 15/16 in
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MARTIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARTIN Chain Shaft Coupling Hub: 80 (MPN 8018SF) is a QD Bushed Coupling Sprocket made of steel with 18 teeth. It features a Quick Disconnect Bushing and a bore diameter range of 1/2 to 2-15/16 inches, designed for hub-side mounting on round shafts.

Frequently Asked Questions

What is the MARTIN 8018SF chain shaft coupling hub used for?

The MARTIN 8018SF chain shaft coupling hub is used to connect a motor or driven shaft to a chain drive system in industrial power transmission applications. It is commonly used in conveyors, material handling, and heavy machinery where a reliable, torque-transmitting coupling is required.

What are the specifications of the MARTIN 8018SF coupling hub?

The MARTIN 8018SF is a steel QD bushed coupling sprocket with 18 teeth and a bore diameter of 2 15/16 inches. It accepts bores from 1/2 to 2-15/16 inches, uses a Quick Disconnect Bushing, and is designed for hub-side mounting on round shafts. The chain size is 80.

Where to buy the MARTIN 8018SF coupling hub worldwide?

You can source the MARTIN 8018SF coupling hub through 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 install a MARTIN QD bushed coupling sprocket?

To install a MARTIN QD bushed coupling sprocket, first clean the shaft and bushing bore. Slide the bushing onto the shaft, position the sprocket hub, and tighten the cap screws evenly to draw the bushing into the hub. Always follow the manufacturer's torque specifications and alignment guidelines.

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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