130mm Hollow Rotary Actuator Platform Gear Ratio 18:1 Backlash 3arc-min for Nema 23 Stepper Motor

This hollow rotary actuator platform fits for standard Nema 23 stepper motors. It features a gear ratio of 18:1, permissible torque of 20.00Nm(2832.23oz.in), 3arcmin positioning accuracy and 15arcsec repeated positioning accuracy.
Its crossed roller bearing ensures high precision, stable torque, and strong load capacity. The 360-degree hollow design allows precise positioning at any angle, compatible with stepper or servo motors. Ideal for automation, glue dispensing, packaging, inspection, laser printing, sorting, and robotics.

Physical Specifications

• Part Number: HRP130KH-G18-D8
• Gear Ratio: 18:1
• Gearbox Type: Hollow Rotary Actuator Platform
• Gear Material: Alloy Steel
• Efficiency: 95%
• Position Accuracy: 3arcmin
• Repeated Position Accuracy: ±15arcsec
• Permissible Torque: 20.00Nm(2832.23oz.in)
• Allowable Moment of Inertia: 32.00Nm(4531.57oz.in)
• Moment of inertia: 81556g·cm²
• Maximum Axial Load: 2000N
• Recommended Axial Load: 250N
• Maximum Radial Load: 4000N
• Permissible Output Speed: 200rpm
• Platform Parallelism: ≤0.010mm
• Platform Jumping: ≤0.010mm
• Noise: <=65dB
• Waterproof Rating: IP40
• Lifetime: 20000hours
• Lubrication Method: Lubricating Grease
• Platform Frame Size: 130 x 130mm
• Mounting Flange Size: 60 x 60mm
• Input Shaft Diameter: Φ8mm
• Maximum Input Shaft Length: 34.5mm
• Diameter of Hollow Section: 62mm
• Platform Height: 81mm