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MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 1/2 in x 1/4 in Keyway Size - Keyed Bore Chain Coupling Sprockets
MARTINKeyed Bore Chain Coupling Sprockets

MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 1/2 in x 1/4 in Keyway Size

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 1/2 in x 1/4 in keyway size, with 18 teeth. The…

SKU 3G-OTH-132994

Brand
MARTIN
Item
Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, 1/2 in x 1/4 in Keyway Size
Category
Keyed Bore Chain Coupling Sprockets
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Technical Specifications

MARTIN
Manufacturer Part Number
8018 x 2-1/8
Type
Steel
Teeth
18
Bore Dia
3 1/8 in
Keyway Size
1/2 in x 1/4 in
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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 1/2 in x 1/4 in keyway size, with 18 teeth. The manufacturer part number is 8018 x 2-1/8.

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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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.
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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.
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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 1-15/16). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.
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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 1-15/16). 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). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.
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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). 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.
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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 2-3/8). Key specifications — attr673435: Round Keyed; attr673436: 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.

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