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 diameter of 1-5/16 inches and a keyway size of 1/4 inch by 1/8 inch. This component…
SKU 3G-OTH-133020
Need installation or engineering help?
Ask a question
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 diameter of 1-5/16 inches and a keyway size of 1/4 inch by 1/8 inch. This component is designed for use in industrial power transmission systems.
Frequently Asked Questions
What is the MARTIN Chain Shaft Coupling Hub: 40 used for?
The MARTIN Chain Shaft Coupling Hub: 40 is used in industrial power transmission systems to connect two shafts, transmitting torque through a roller chain. It is commonly applied in conveyors, material handling equipment, and heavy machinery where reliable, misalignment-tolerant coupling is required.
What are the specifications of the MARTIN Chain Shaft Coupling Hub: 40?
This MARTIN 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 size 40 and carries the manufacturer part number 4016 x 1-1/4. It is designed for use with roller chain in power transmission systems.
Where to buy the MARTIN Chain Shaft Coupling Hub: 40 worldwide?
You can source the MARTIN Chain Shaft Coupling Hub: 40 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct MARTIN component for your power transmission 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. For this hub, the bore is 1-5/16 in with a 1/4 in x 1/8 in keyway. Also verify the chain size (40) and ensure the hub material (steel) suits your operating environment and load requirements.
Used in
Common applications for MARTINMARTIN 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.















