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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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Technical Documents

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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.

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.

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