Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 1/4 in Bore Dia, For Round Shaft Type - QD Bushed Coupling Sprockets
MARTINQD Bushed Coupling Sprockets

MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 1/4 in Bore Dia, For Round Shaft Type

The MARTIN Chain Shaft Coupling Hub: 40 (MPN 4016JA) is a QD Bushed Coupling Sprocket made of steel with 16 teeth and a 1 1/4 in bore diameter for a round shaft type. It features a Quick Disconnect Bushing, a…

SKU 3G-OTH-132435

Brand
MARTIN
Item
Chain Shaft Coupling Hub: 40, Steel, 1 1/4 in Bore Dia, For Round Shaft Type
Category
QD Bushed Coupling Sprockets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

MARTIN
Manufacturer Part Number
4016JA
Type
Steel, For Round Shaft Type, 1 in
Teeth
16
Bore Dia
1 1/4 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MARTIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARTIN Chain Shaft Coupling Hub: 40 (MPN 4016JA) is a QD Bushed Coupling Sprocket made of steel with 16 teeth and a 1 1/4 in bore diameter for a round shaft type. It features a Quick Disconnect Bushing, a hub-side configuration, and a JA bushing size. This coupling hub is designed for use with a 1 in shaft and chain size 40.

Frequently Asked Questions

What is the MARTIN Chain Shaft Coupling Hub 4016JA used for?

The MARTIN 4016JA is a QD bushed coupling sprocket used to connect a motor or gearbox shaft to a chain-driven load in industrial power transmission systems. It is commonly applied in conveyors, material handling, and packaging machinery where a 40-series chain and a 1 1/4 in bore are required.

What are the specifications of the MARTIN 4016JA coupling hub?

The MARTIN 4016JA is a steel hub with 16 teeth, a 1 1/4 in bore diameter, and a JA quick-disconnect bushing. It is designed for a round shaft type, hub-side configuration, and fits a 1 in shaft. The chain size is 40, and the manufacturer part number is 4016JA.

Where to buy the MARTIN 4016JA coupling hub worldwide?

You can source the MARTIN 4016JA coupling hub through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine MARTIN components for industrial applications.

How to install a MARTIN QD bushed coupling hub?

To install the MARTIN 4016JA, slide the JA bushing into the hub, align the keyway with the shaft key, and tighten the bushing screws evenly. Ensure the shaft is clean and lubricated. Always follow the manufacturer's torque specifications and check alignment to prevent premature wear.

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 1/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 4016TBH). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 1/2 to 1-1/8 in; Bushing Install Location: Hub Side; Chain Number: 40; For Bushing Size: 1108; Hub Material: Steel; Brand: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 1/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 4016TBH). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 1/2 to 1-1/8 in; Bushing Install Location: Hub Side; Chain Number: 40; For Bushing Size: 1108; Hub Material: Steel; Brand: MARTIN.
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 1/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 4016TBF). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 1/2 to 1-1/8 in; Bushing Install Location: Hub Side; Chain Number: 40; For Bushing Size: 1108; Hub Material: Steel; Brand: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 40, Steel, 1 1/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 4016TBF). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 1/2 to 1-1/8 in; Bushing Install Location: Hub Side; Chain Number: 40; For Bushing Size: 1108; Hub Material: Steel; Brand: MARTIN.
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 in Bore Dia, For Keyed Shaft Type, 5 3/8 in Hub Dia (MPN 8020TBH). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 15/16 to 3 in; Bushing Install Location: Hub Side; Chain Number: 80; For Bushing Size: 3020; Hub Material: Steel; Brand: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 in Bore Dia, For Keyed Shaft Type, 5 3/8 in Hub Dia (MPN 8020TBH). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 15/16 to 3 in; Bushing Install Location: Hub Side; Chain Number: 80; For Bushing Size: 3020; Hub Material: Steel; Brand: MARTIN.
MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 5/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 5018TBH). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 1/2 to 1-5/8 in; Bushing Install Location: Hub Side; Chain Number: 50; For Bushing Size: 1610; Hub Material: Steel; Brand: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 5/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 5018TBH). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 1/2 to 1-5/8 in; Bushing Install Location: Hub Side; Chain Number: 50; For Bushing Size: 1610; Hub Material: Steel; Brand: MARTIN.
MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 5/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 5018TBF). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 1/2 to 1-5/8 in; Bushing Install Location: Hub Side; Chain Number: 50; For Bushing Size: 1610; Hub Material: Steel; Brand: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 5/8 in Bore Dia, For Keyed Shaft Type, Round Keyed (MPN 5018TBF). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 1/2 to 1-5/8 in; Bushing Install Location: Hub Side; Chain Number: 50; For Bushing Size: 1610; Hub Material: Steel; Brand: MARTIN.
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 in Bore Dia, For Keyed Shaft Type, 5 3/8 in Hub Dia (MPN 8020TBF). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 15/16 to 3 in; Bushing Install Location: Hub Side; Chain Number: 80; For Bushing Size: 3020; Hub Material: Steel; Brand: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 80, Steel, 3 in Bore Dia, For Keyed Shaft Type, 5 3/8 in Hub Dia (MPN 8020TBF). Key specifications — Bore Type: Round Keyed; Bushing Bore Range: 15/16 to 3 in; Bushing Install Location: Hub Side; Chain Number: 80; For Bushing Size: 3020; Hub Material: Steel; Brand: MARTIN.

More from MARTIN

View all MARTIN parts →
MARTIN Chain Shaft Coupling Hub: 80, Steel, 2 15/16 in Bore Dia, For Round Shaft Type, 18 Teeth (MPN 8018SF). Key specifications — attr673435: Quick Disconnect Bushing; attr673436: 1/2 to 2-15/16 in; attr673437: Hub Side; attr673438: 80; attr673446: SF; attr673457: Steel; attr85393: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 80, Steel, 2 15/16 in Bore Dia, For Round Shaft Type, 18 Teeth (MPN 8018SF). Key specifications — attr673435: Quick Disconnect Bushing; attr673436: 1/2 to 2-15/16 in; attr673437: Hub Side; attr673438: 80; attr673446: SF; attr673457: Steel; attr85393: MARTIN.
MARTIN Chain Shaft Coupling Hub: 60, Steel, 2 5/8 in Bore Dia, For Round Shaft Type, 20 Teeth (MPN 6020SK). Key specifications — attr673435: Quick Disconnect Bushing; attr673436: 1/2 to 2-5/8 in; attr673437: Hub Side; attr673438: 60; attr673446: SK; attr673457: Steel; attr85393: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 60, Steel, 2 5/8 in Bore Dia, For Round Shaft Type, 20 Teeth (MPN 6020SK). Key specifications — attr673435: Quick Disconnect Bushing; attr673436: 1/2 to 2-5/8 in; attr673437: Hub Side; attr673438: 60; attr673446: SK; attr673457: Steel; attr85393: MARTIN.
MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 11/16 in Bore Dia, For Round Shaft Type, 18 Teeth (MPN 5018SH). Key specifications — attr673435: Quick Disconnect Bushing; attr673436: 1/2 to 1-11/16 in; attr673437: Hub Side; attr673438: 50; attr673446: SH; attr673457: Steel; attr85393: MARTIN.
MARTIN
MARTIN Chain Shaft Coupling Hub: 50, Steel, 1 11/16 in Bore Dia, For Round Shaft Type, 18 Teeth (MPN 5018SH). Key specifications — attr673435: Quick Disconnect Bushing; attr673436: 1/2 to 1-11/16 in; attr673437: Hub Side; attr673438: 50; attr673446: SH; attr673457: Steel; attr85393: MARTIN.