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MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia - Keyed Bore Chain Coupling Sprockets
MARTINKeyed Bore Chain Coupling Sprockets

MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia

The MARTIN Chain Shaft Coupling Hub: 40 is a keyed bore chain coupling sprocket made of steel. It features a round keyed bore with a 1-5/16 in diameter and a 1/4 in x 1/8 in keyway size. This component is identified…

SKU 3G-OTH-133043

Brand
MARTIN
Item
Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia
Category
Keyed Bore Chain Coupling Sprockets
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Technical Specifications

MARTIN
Manufacturer Part Number
4016 x 1
Type
Steel
Bore Dia
1 5/16 in
Keyway Size
1/4 in x 1/8 in
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MARTIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARTIN Chain Shaft Coupling Hub: 40 is a keyed bore chain coupling sprocket made of steel. It features a round keyed bore with a 1-5/16 in diameter and a 1/4 in x 1/8 in keyway size. This component is identified by manufacturer part number 4016 x 1.

Frequently Asked Questions

What is a MARTIN Chain Shaft Coupling Hub used for?

A MARTIN Chain Shaft Coupling Hub connects two rotating shafts in industrial power transmission systems. It is commonly used in conveyors, pumps, and gearboxes to transmit torque while accommodating minor misalignment. The steel construction and keyed bore ensure reliable engagement with the shaft.

What are the specifications of the MARTIN 4016 x 1 coupling hub?

The MARTIN 4016 x 1 coupling hub has a steel construction, a round keyed bore diameter of 1-5/16 in, and a keyway size of 1/4 in x 1/8 in. It is a size 40 chain coupling sprocket. These specs match standard ANSI roller chain dimensions for industrial drives.

Where to buy MARTIN chain coupling hubs worldwide?

3G Electric supplies MARTIN chain coupling hubs worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the MARTIN 4016 x 1 hub. We source genuine MARTIN components for your application.

How to select the correct MARTIN chain coupling hub?

To select the correct MARTIN chain coupling hub, match the bore diameter and keyway size to your shaft dimensions. The hub size (40) must align with the chain pitch and sprocket tooth count. Verify the shaft keyway matches the 1/4 in x 1/8 in keyway. Consult a power transmission catalog for torque 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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