We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia - Keyed Bore Chain Coupling Sprockets
MARTINKeyed Bore Chain Coupling Sprockets

MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia

The MARTIN Chain Shaft Coupling Hub: 80 is a keyed bore chain coupling sprocket made of steel. It features a round keyed bore with a 3-1/8 in diameter and a 3/8 in x 3/16 in keyway size. This component is identified…

SKU 3G-OTH-132993

Also listed as: 8018x134 · 8018 x 1 3 4 · 8018-x-1-3-4

Brand
MARTIN
Item
Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia
Category
Keyed Bore Chain Coupling Sprockets
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MARTIN
Manufacturer Part Number
8018 x 1-3/4
Type
Steel
Bore Dia
3 1/8 in
Keyway Size
3/8 in x 3/16 in

Technical Documents

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MARTIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARTIN Chain Shaft Coupling Hub: 80 is a keyed bore chain coupling sprocket made of steel. It features a round keyed bore with a 3-1/8 in diameter and a 3/8 in x 3/16 in keyway size. This component is identified by manufacturer part number 8018 x 1-3/4.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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. This steel hub with a 3-1/8 in bore and 3/8 in x 3/16 in keyway fits ANSI 80 chain.

What are the specifications of the MARTIN 8018 x 1-3/4 coupling hub?

The MARTIN 8018 x 1-3/4 is a steel chain coupling hub with a round keyed bore of 3-1/8 in diameter. It has a keyway size of 3/8 in x 3/16 in and is designed for ANSI chain size 80. The manufacturer part number is 8018 x 1-3/4, and it is made by MARTIN.

Where to buy a MARTIN chain coupling hub worldwide?

3G Electric supplies the MARTIN chain coupling hub worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source and deliver genuine MARTIN components like the 8018 x 1-3/4 hub to any location. Contact us for a quote and delivery timeline.

How to select the right MARTIN chain coupling hub for an application?

To select the correct MARTIN chain coupling hub, match the bore diameter (3-1/8 in) and keyway size (3/8 in x 3/16 in) to your shaft dimensions. Verify the chain size (80) and hub material (steel) suit your torque and environmental requirements. Consult a power transmission specialist for misalignment and load ratings.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 5/8 in x 5/16 in Keyway Size (MPN 8018 x 2-3/8)
MARTIN
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 5/8 in x 5/16 in Keyway Size (MPN 8018 x 2-3/8)
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 5/8 in x 5/16 in Keyway Size (MPN 8018 x 2-5/8)
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MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 5/8 in x 5/16 in Keyway Size (MPN 8018 x 2-5/8)
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 5/8 in x 5/16 in Keyway Size (MPN 8018 x 2-7/16)
MARTIN
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 5/8 in x 5/16 in Keyway Size (MPN 8018 x 2-7/16)
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 1/2 in x 1/4 in Keyway Size, 18 Teeth (MPN 8018 x 2-1/8)
MARTIN
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 1/2 in x 1/4 in Keyway Size, 18 Teeth (MPN 8018 x 2-1/8)
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 3/4 in x 3/8 in Keyway Size, 18 Teeth (MPN 8018 x 2-15/16)
MARTIN
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 3/4 in x 3/8 in Keyway Size, 18 Teeth (MPN 8018 x 2-15/16)
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 3/4 in x 3/8 in Keyway Size, 18 Teeth (MPN 8018 x 2-7/8)
MARTIN
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 3/4 in x 3/8 in Keyway Size, 18 Teeth (MPN 8018 x 2-7/8)

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MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 4016 x 1-1/4)
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