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

3G Electric
RFQ CartGet a QuoteSign inSign up
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 5/8 in x 5/16 in keyway size (MPN 8018 x 2-5/8). This…

SKU 3G-OTH-133015

Brand
MARTIN
Item
Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia
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
8018 x 2-5/8
Type
Steel
Bore Dia
3 1/8 in
Keyway Size
5/8 in x 5/16 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: 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 5/8 in x 5/16 in keyway size (MPN 8018 x 2-5/8). This component is designed for use in industrial power transmission applications.

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 the MARTIN Chain Shaft Coupling Hub: 80 used for?

The MARTIN Chain Shaft Coupling Hub: 80 is used in industrial power transmission systems to connect two shafts and transmit rotary motion. It is commonly applied in conveyors, gearboxes, and heavy machinery where a keyed bore coupling sprocket is required for reliable torque transfer.

What are the specifications of the MARTIN Chain Shaft Coupling Hub: 80?

The MARTIN Chain Shaft Coupling Hub: 80 has a steel construction, a round keyed bore with a 3-1/8 in diameter, and a 5/8 in x 5/16 in keyway size. The manufacturer part number is 8018 x 2-5/8. It is designed for use with chain coupling sprockets in power transmission applications.

Where to buy the MARTIN Chain Shaft Coupling Hub: 80 worldwide?

You can source the MARTIN Chain Shaft Coupling Hub: 80 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 on this component.

How to select the correct MARTIN Chain Shaft Coupling Hub: 80?

To select the correct MARTIN Chain Shaft Coupling Hub: 80, verify the shaft diameter matches the 3-1/8 in bore and the keyway size is 5/8 in x 5/16 in. Ensure the sprocket size 80 aligns with your chain pitch requirements. Consult the MARTIN catalog for compatibility with your power transmission system.

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: 80, Steel, 3 1/8 in Bore Dia, 5/8 in x 5/16 in Keyway Size (MPN 8018 x 2-7/16). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.
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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: 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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.
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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 3/8 in x 3/16 in Keyway Size (MPN 8018 x 1-3/4). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 3/8 in x 3/16 in Keyway Size (MPN 8018 x 1-3/4). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: 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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.
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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: 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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.
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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: 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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.
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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; 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: 50, Steel, 2 in Bore Dia, 1/4 in x 1/8 in Keyway Size, Round Keyed (MPN 5018 x 1-3/16). 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, 1/4 in x 1/8 in Keyway Size, Round Keyed (MPN 5018 x 1-3/16). 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.