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12 mm Shafts with Support and Bearings
16 mm Shafts with Support and Bearings
20 mm Shafts with Support and Bearings
25 mm Shafts with Support and Bearings
30 mm Shafts with Support and Bearings
SBR Bearing Types
Shafts with Support
Shafts with Support and Bearings (12 mm)
Shafts with Support and Bearings (16 mm)
Shafts with Support and Bearings (20 mm)
Shafts with Support and Bearings (25 mm)
Shafts with Support and Bearings (30 mm)
Shafts with Support and Bearings (40 mm)
TBR Bearings




1/3 Ratio Planetary Gearboxes
1/3 Ratio Planetary Gearbox Options
1/3 Ratio Planetary Gearbox Varieties
1/5 Ratio Planetary Gearbox Options
1/5 Ratio Planetary Gearbox Series
1/10 Ratio Planetary Gearboxes
1/10 Ratio Planetary Gearbox Options
1/10 Ratio Planetary Gearbox Varieties
Servo Motor Planetary Gearboxes
Stepper Motor Planetary Gearboxes
Varvel Zero-Backlash Gearboxes






















12 mm Shafts with Support and Bearings
16 mm Shafts with Support and Bearings
20 mm Shafts with Support and Bearings
25 mm Shafts with Support and Bearings
30 mm Shafts with Support and Bearings
SBR Bearing Types
Shafts with Support
Shafts with Support and Bearings (12 mm)
Shafts with Support and Bearings (16 mm)
Shafts with Support and Bearings (20 mm)
Shafts with Support and Bearings (25 mm)
Shafts with Support and Bearings (30 mm)
Shafts with Support and Bearings (40 mm)
TBR Bearings




1/3 Ratio Planetary Gearboxes
1/3 Ratio Planetary Gearbox Options
1/3 Ratio Planetary Gearbox Varieties
1/5 Ratio Planetary Gearbox Options
1/5 Ratio Planetary Gearbox Series
1/10 Ratio Planetary Gearboxes
1/10 Ratio Planetary Gearbox Options
1/10 Ratio Planetary Gearbox Varieties
Servo Motor Planetary Gearboxes
Stepper Motor Planetary Gearboxes
Varvel Zero-Backlash Gearboxes




Showing 8 products
The 30 mm Coupling GS14 is a mechanical component designed to connect motor shafts to lead screws or other rotating shafts. It is crucial in CNC machines, automation systems, and robotics for transmitting torque while absorbing misalignment and vibration between connected components. This helps protect sensitive equipment and ensures smoother operation.
When selecting a 30 mm Coupling GS14, consider the shaft diameters it needs to connect, the torque it must transmit, and the rotational speed. Ensure the coupling’s bore sizes match your motor shaft and lead screw diameters. Also, check its material and construction for compatibility with your operating environment and vibration damping requirements. For specific applications, consulting the technical specifications and potentially the Couplings category page for similar models is recommended.
The 30 mm Coupling GS14 typically features a 30 mm outer diameter and specific bore sizes designed to fit standard motor and lead screw shafts. Its primary function is to provide a flexible connection, reducing stress on bearings and shafts. Compatibility depends on matching bore sizes and ensuring the coupling can handle the operational torque and speed of your machinery. These couplings are widely used in various CNC applications, including milling machines, lathes, and 3D printers.
Mermak CNC, based in the Ankara Uzay Sanayi region, has approximately 16 years of experience in manufacturing and supplying CNC spare parts and machinery. We understand the critical role of components like couplings in ensuring machine performance and longevity. Our expertise allows us to provide reliable solutions for various industrial automation needs.
At Mermak CNC, the stock quantities and prices listed on our website are kept up-to-date. Products shown in stock are dispatched directly from our Ankara Uzay Sanayi factory/warehouse, meaning no waiting for production. We ensure careful packaging for all international shipments and provide necessary invoices and documentation. Our experienced team works with reliable logistics partners to manage the shipment process until the product reaches you.
We understand the importance of trust in international trade. Upon request, Mermak CNC can provide product videos or arrange virtual tours of our factory and warehouse facilities via WhatsApp or other contact channels. This allows you to see our operations and the quality of our products firsthand.
Yes, Mermak CNC has established supply and international shipment processes for numerous countries. We regularly serve customers in markets such as the United Kingdom, the United States, Canada, Australia, Ireland, and South Africa, among many others. We are committed to facilitating smooth transactions and deliveries to these and similar international markets.
Once your order is confirmed, Mermak CNC meticulously prepares all necessary documents, including invoices. We then hand over the carefully packaged product to our trusted international logistics partners. Our team actively monitors the entire shipment process, ensuring that we follow the product’s journey until it successfully reaches your destination.






