Zero Max SC035R-008-008 ServoClass Double Flex Motor Coupling, 0.5" to 0.5"

Description:

The Zero-Max SC035R-008-008 ServoClass double flex coupling is used in precision motion control systems to connect rotating shafts and transmit torque with high accuracy and zero backlash. Commonly installed in CNC machines, robotics, packaging equipment, and automated assembly systems, this coupling provides high torsional stiffness while accommodating shaft misalignment. Maintenance teams and system integrators use this coupling for system assembly, motion control upgrades, and replacement of worn or misaligned shaft connections.

Applications:

The Zero-Max SC035R coupling is widely used in industrial automation environments requiring precise torque transmission and shaft alignment. It is commonly found in servo-driven systems, CNC machining centers, packaging lines, printing equipment, and automated production machinery where repeatable positioning, high-speed operation, and mechanical reliability are critical to maintaining system performance.

Technical Specifications:

• Manufacturer Part Number (MPN): SC035R-008-008
• Product type: Double flex servo coupling (ServoClass)
• Bore configuration: 0.5" x 0.5" (keyed)
• Operating torque: ~71–89 in-lbs
• Maximum speed: Up to 10,000 RPM
• Outside diameter: 1.535 inches
• Overall length: 1.890 inches
• Design: Double disc (zero backlash)
• Torsional stiffness: ~1,390 in-lb/deg
• Misalignment capability: Angular ~1°, parallel ~0.009", axial ~0.020"
• Construction: Aluminum hubs with stainless steel flex discs
• Mounting configuration: Clamp or keyed hub (model dependent)
• Application environment: Precision motion control and servo systems

Common Replacements:

• Zero-Max SC035R series variants (different bore sizes)
• Zero-Max SC040R (next size up)
• Zero-Max ServoClass single flex couplings