MARTIN Chain Shaft Coupling Hub: 50, Steel, 2 in Bore Dia, 3/16 in x 3/32 in Keyway Size
The MARTIN Chain Shaft Coupling Hub: 50 is a keyed bore chain coupling sprocket made of steel. It features a 2 in round keyed bore with a 3/16 in x 3/32 in keyway size and 18 teeth. This component is identified by…
SKU 3G-OTH-133025
Also listed as: 5018x78 · 5018 x 7 8 · 5018-x-7-8
Local availability & support
- 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.
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Product Description
The MARTIN Chain Shaft Coupling Hub: 50 is a keyed bore chain coupling sprocket made of steel. It features a 2 in round keyed bore with a 3/16 in x 3/32 in keyway size and 18 teeth. This component is identified by manufacturer part number 5018 x 7/8.
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, gearboxes, and material handling equipment where reliable, misalignment-tolerant coupling is required.
What are the specifications of the MARTIN 5018 x 7/8 coupling hub?
The MARTIN 5018 x 7/8 coupling hub has a steel construction, 18 teeth, a 2 in round keyed bore, and a 3/16 in x 3/32 in keyway. It is a size 50 hub designed for chain coupling applications. 3G Electric supplies this genuine MARTIN component worldwide.
Where to buy a MARTIN chain coupling hub worldwide?
3G Electric supplies the MARTIN 5018 x 7/8 chain coupling hub to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this steel, 2 in bore, 18-tooth hub.
How to select the right MARTIN chain coupling hub for my shaft?
Select a MARTIN chain coupling hub by matching the bore diameter and keyway size to your shaft dimensions. For a 2 in shaft with a 3/16 in x 3/32 in keyway, the 5018 x 7/8 hub is correct. Ensure the hub size (50) matches the chain pitch and sprocket teeth count.
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.
