THK KR3310A-0300 High Precision Ball Screw Linear Actuator

Description:

The THK KR3310A-0300 Linear Actuator is an integrated ball screw-driven linear actuator designed to provide precise, high-speed linear motion for industrial automation and positioning systems. Featuring a 300 mm stroke, 10 mm ball screw lead, and 10 mm screw shaft diameter, this KR33 actuator combines an LM Guide and ball screw into a compact, high-rigidity assembly for smooth operation, high positioning accuracy, and space-saving installation. Commonly installed in semiconductor equipment, CNC automation, pick-and-place systems, inspection machines, packaging equipment, and precision manufacturing systems, this actuator is used by maintenance teams, OEM machine builders, and system integrators for machine repairs, automation upgrades, and replacement of existing linear motion components.

Applications:

The THK KR3310A-0300 is commonly used in semiconductor manufacturing equipment, electronic assembly systems, CNC machinery, industrial robots, automated inspection equipment, packaging machinery, laboratory automation, and precision positioning applications where accurate linear travel, high rigidity, and reliable ball screw-driven motion are required.

Technical Specifications:

• Manufacturer Part Number (MPN): KR3310A-0300
• Manufacturer: THK Ltd.
• Product Type: Linear Actuator
• Series: KR33
• Drive Method: Ball Screw
• Ball Screw Lead: 10 mm
• Stroke: 300 mm
• Screw Shaft Diameter: 10 mm
• Guide Type: Integrated LM Guide with Ball Screw
• Structure: U-Shaped High-Rigidity Outer Rail with Integrated Table
• Maximum Speed: 790 mm/s
• Positioning Repeatability: ±0.01 mm (Normal Grade)
• Backlash: 0.02 mm
• Maximum Input Speed: 4700 rpm
• Maximum Input Torque: 1.244 N·m
• Friction Coefficient: 0.01
• Efficiency: 90%
• Screw Material: Iron
• Features: Compact design, high rigidity, four-way equal load capability, smooth linear motion, space-saving construction, and high positioning accuracy.

Common Replacements:

• THK KR3310A-0300-0-01A0
• THK KR3310A-0300-0-11A0
• THK KR3310A-0300-H0-11A0