MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 1/2 in x 1/4 in Keyway Size
The MARTIN Chain Shaft Coupling Hub: 50 is a keyed bore chain coupling sprocket made of steel. It features a round keyed 2 in bore diameter with a 1/2 in x 1/4 in keyway size, and is identified by manufacturer part…
SKU 3G-OTH-132974
Also listed as: 5018x178 · 5018 x 1 7 8 · 5018-x-1-7-8
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
Need installation or engineering help?
Ask a question
Product Description
The MARTIN Chain Shaft Coupling Hub: 50 is a keyed bore chain coupling sprocket made of steel. It features a round keyed 2 in bore diameter with a 1/2 in x 1/4 in keyway size, and is identified by manufacturer part number 5018 x 1-7/8.
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 rotating shafts in power transmission systems, commonly used in conveyors, gearboxes, and industrial machinery. It transmits torque through a roller chain, accommodating minor misalignment. 3G Electric supplies this steel hub with a 2 in bore for demanding mechanical drives.
What are the specifications of the MARTIN 5018 x 1-7/8 coupling hub?
The MARTIN 5018 x 1-7/8 is a steel chain coupling hub with a round keyed 2 in bore diameter and a 1/2 in x 1/4 in keyway. It is size 50, designed for use with standard roller chain. 3G Electric sources this genuine MARTIN part for industrial power transmission applications.
Where to buy MARTIN chain coupling hubs worldwide?
3G Electric supplies MARTIN chain coupling hubs worldwide, handling full logistics and customs clearance for international orders. As a global industrial sourcing partner, we provide this steel, 2 in bore hub (MPN 5018 x 1-7/8) to facilities needing reliable power transmission components.
How to select the right MARTIN chain coupling hub for a 2 in shaft?
Select a MARTIN chain coupling hub by matching the bore diameter to your shaft size—here 2 in—and verifying the keyway dimensions (1/2 in x 1/4 in). Ensure the hub size (50) aligns with the chain pitch and torque requirements. 3G Electric can help confirm fitment for your application.
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.
