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MARTIN Chain Shaft Coupling Hub: 40, Steel, 7/8 in Bore Dia, For Keyed Shaft Type - Bore to Size Chain Coupling Sprockets

MARTINBore to Size Chain Coupling Sprockets

MARTIN Chain Shaft Coupling Hub: 40, Steel, 7/8 in Bore Dia, For Keyed Shaft Type

The MARTIN Chain Shaft Coupling Hub: 40 is a bore-to-size chain coupling sprocket made of steel. It features a round keyed design and accommodates a bore diameter range of 7/16 to 7/8 in. This hub is compatible with…

SKU 3G-OTH-153508

Brand

MARTIN

Item

Chain Shaft Coupling Hub: 40, Steel, 7/8 in Bore Dia, For Keyed Shaft Type

Category

Bore to Size Chain Coupling Sprockets

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Technical Specifications

MARTIN

Manufacturer Part Number

4012

Type

Steel, For Keyed Shaft Type, Round Keyed 

Bore Dia

7/8 in 

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MARTIN Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARTIN Chain Shaft Coupling Hub: 40 is a bore-to-size chain coupling sprocket made of steel. It features a round keyed design and accommodates a bore diameter range of 7/16 to 7/8 in. This hub is compatible with keyed shafts and is identified by manufacturer part number 4012.

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

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 bore to size chain coupling sprockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all MARTIN products →Contact our engineers →

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MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 11/16 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 5016). Key specifications — attr673435: Round Keyed; attr673436: 5/8 to 1-11/16 in; attr673438: 50; attr673457: Steel; attr85393: MARTIN.

MARTIN Chain Shaft Coupling Hub: 100, Steel, 4 5/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 10020). Key specifications — attr673435: Round Keyed; attr673436: 2 to 4-5/8 in; attr673438: 100; attr673457: Steel; attr85393: MARTIN.

MARTIN Chain Shaft Coupling Hub: 100, Steel, 4 5/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 10020). Key specifications — attr673435: Round Keyed; attr673436: 2 to 4-5/8 in; attr673438: 100; attr673457: Steel; attr85393: MARTIN.

MARTIN Chain Shaft Coupling Hub: 40, Steel, 7/8 in Bore Dia, 3/16 in x 3/32 in Keyway Size, 12 Teeth (MPN 4012 x 5/8). Key specifications — attr673435: Round Keyed; attr673436: 7/8 in; attr673438: 40; attr673457: Steel; attr85393: MARTIN.

MARTIN Chain Shaft Coupling Hub: 40, Steel, 7/8 in Bore Dia, 3/16 in x 3/32 in Keyway Size, 12 Teeth (MPN 4012 x 5/8). Key specifications — attr673435: Round Keyed; attr673436: 7/8 in; attr673438: 40; attr673457: Steel; attr85393: MARTIN.

MARTIN Chain Shaft Coupling Hub: 40, Steel, 7/8 in Bore Dia, 3/16 in x 3/32 in Keyway Size, 12 Teeth (MPN 4012 x 3/4). Key specifications — attr673435: Round Keyed; attr673436: 7/8 in; attr673438: 40; attr673457: Steel; attr85393: MARTIN.

MARTIN Chain Shaft Coupling Hub: 40, Steel, 7/8 in Bore Dia, 3/16 in x 3/32 in Keyway Size, 12 Teeth (MPN 4012 x 3/4). Key specifications — attr673435: Round Keyed; attr673436: 7/8 in; attr673438: 40; attr673457: Steel; attr85393: MARTIN.

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MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 1/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 8018). Key specifications — attr673435: Round Keyed; attr673436: 1-1/8 to 3-1/8 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.

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MARTIN Chain Shaft Coupling Hub: 60, Steel, 2 3/4 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 6020). Key specifications — attr673435: Round Keyed; attr673436: 1-1/8 to 2-3/4 in; attr673438: 60; attr673457: Steel; attr85393: MARTIN.

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MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 9/16 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 8020). Key specifications — attr673435: Round Keyed; attr673436: 1-1/2 to 3-9/16 in; attr673438: 80; attr673457: Steel; attr85393: MARTIN.

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MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 4016). Key specifications — attr673435: Round Keyed; attr673436: 5/8 to 1-5/16 in; attr673438: 40; attr673457: Steel; attr85393: MARTIN.

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MARTIN Chain Shaft Coupling Hub: 60, Steel, 2 7/16 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 6018). Key specifications — attr673435: Round Keyed; attr673436: 1 to 2-7/16 in; attr673438: 60; attr673457: Steel; attr85393: MARTIN.

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