Thk KR3306A-0500 Lm Linear Positioner 6Mm Lead 500Mm Travel 2608Lbs Nema 23

Description:

The THK KR3306A-0500 LM Linear Positioner is a compact, high-rigidity linear actuator featuring an integrated LM Guide and precision ball screw with a 6 mm lead and 500 mm stroke. Commonly installed in factory automation systems, CNC equipment, semiconductor machinery, robotics, packaging equipment, inspection systems, and material handling applications requiring precise linear positioning. Machine builders, maintenance technicians, and system integrators use this actuator for new automation projects, equipment upgrades, retrofits, and replacement of worn linear motion assemblies.

Applications:

The THK KR3306A-0500 belongs to THK's KR Series LM Guide Actuator family, integrating a U-shaped outer rail, LM Guide blocks, and a ball screw into a compact, space-saving assembly. The 6 mm lead provides high thrust and accurate positioning, while the actuator is designed for direct coupling to a NEMA 23 stepper or servo motor. Its high rigidity, low friction, and sealed construction make it ideal for automated assembly, pick-and-place systems, precision inspection equipment, medical devices, and industrial manufacturing where repeatable linear motion is essential.

Technical Specifications:

• Brand: THK
• Part Number: KR3306A-0500
• Product Type: LM Guide Linear Positioner / Linear Actuator
• Series: KR33 Compact Series
• Drive Method: Precision Ball Screw
• Ball Screw Lead: 6 mm
• Stroke (Travel): 500 mm
• Guide Type: Integrated LM Guide Actuator
• Motor Compatibility: NEMA 23 Stepper or Servo Motor
• Maximum Load Capacity: 2,608 lbs (≈11.6 kN Dynamic Load Rating)
• Basic Dynamic Load Rating (LM Guide): 11,600 N
• Basic Static Load Rating (LM Guide): 20,200 N
• Maximum Speed: 390 mm/s
• Positioning Repeatability: ±0.01 mm (Normal Grade)
• Backlash: 0.02 mm
• Maximum Input Speed: 3,950 rpm
• Maximum Input Torque: 1.244 N·m
• Starting Torque: 0.07 N·m
• Screw Shaft Diameter: 10 mm
• Efficiency: Approximately 90%
• Features: Compact design, high rigidity, integrated LM guide and ball screw, four-way equal load capability, sealed construction, high positioning accuracy, low friction, space-saving design.

Common Replacements:

• THK KR3306A-0600
• THK KR3306A-0400
• THK KR3310A-0500