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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 3/16 in x 3/32 in keyway size, identified by manufacturer…

SKU 3G-OTH-133032

Also listed as: 4016x58 · 4016 x 5 8 · 4016-x-5-8

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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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MARTIN
Manufacturer Part Number
4016 x 5/8
Type
Steel
Bore Dia
1 5/16 in
Keyway Size
3/16 in x 3/32 in

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 keyed bore chain coupling sprocket made of steel. It features a round keyed bore with a 1-5/16 in diameter and a 3/16 in x 3/32 in keyway size, identified by manufacturer part number 4016 x 5/8.

Frequently Asked Questions

What is a MARTIN Chain Shaft Coupling Hub used for?

A MARTIN Chain Shaft Coupling Hub connects two rotating shafts to transmit torque in industrial power transmission systems. It is commonly used in conveyors, pumps, and gearboxes where misalignment tolerance and shock load absorption are needed. The steel construction and keyed bore ensure secure shaft attachment.

What are the specifications of the MARTIN 4016 x 5/8 coupling hub?

The MARTIN 4016 x 5/8 coupling hub is a steel keyed bore chain sprocket with a 1-5/16 in bore diameter and a 3/16 in x 3/32 in keyway. It is size 40 and features a round keyed bore. The manufacturer part number is 4016 x 5/8, and it is designed for use with MARTIN chain couplings.

Where to buy MARTIN chain coupling hubs worldwide?

3G Electric supplies MARTIN chain coupling hubs worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the MARTIN 4016 x 5/8 hub or other sizes. We source and deliver to any country.

How to select the right MARTIN chain coupling hub size?

To select the correct MARTIN chain coupling hub, match the bore diameter and keyway size to your shaft dimensions. The hub size (e.g., 40) must correspond to the chain pitch and coupling series. Verify the shaft diameter is within the hub's bore range and that the keyway fits your key. Consult MARTIN's 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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Cross-referenced by specification & description
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 3/16 in x 3/32 in Keyway Size (MPN 4016 x 3/4)
MARTIN
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 3/16 in x 3/32 in Keyway Size (MPN 4016 x 3/4)
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 3/16 in x 3/32 in Keyway Size (MPN 4016 x 7/8)
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MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 3/16 in x 3/32 in Keyway Size (MPN 4016 x 7/8)
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 4016 x 1-1/8)
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MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 4016 x 1-1/8)
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 4016 x 1)
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MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 4016 x 1)
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 4016 x 1-3/16)
MARTIN
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 4016 x 1-3/16)
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 4016 x 15/16)
MARTIN
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 5/16 in Bore Dia, 1/4 in x 1/8 in Keyway Size (MPN 4016 x 15/16)

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