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
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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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.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a MARTIN Chain Shaft Coupling Hub used for?
A MARTIN Chain Shaft Coupling Hub connects two shafts in power transmission systems, typically in conveyors, gearboxes, or industrial machinery. It uses a roller chain to transmit torque while accommodating minor misalignment. This steel hub is designed for keyed shafts and is common in material handling and manufacturing applications.
What are the specifications of the MARTIN 4012 coupling hub?
The MARTIN 4012 coupling hub is a size 40 steel hub with a round keyed bore. It accepts bore diameters from 7/16 to 7/8 in and is designed for keyed shafts. The manufacturer part number is 4012. It is a bore-to-size chain coupling sprocket used in power transmission systems.
Where to buy MARTIN chain coupling hubs worldwide?
3G Electric supplies MARTIN chain coupling hubs worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the MARTIN 4012 hub or other power transmission components across 14 industrial departments.
How to select the right MARTIN chain coupling hub for a keyed shaft?
To select the correct MARTIN hub, match the chain size (e.g., 40) and bore diameter range (7/16 to 7/8 in) to your shaft dimensions. Ensure the hub type (round keyed) matches your shaft keyway. For applications requiring higher torque or speed, consult a power transmission specialist. 3G Electric can help source the right MARTIN component.
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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.
