Apex Dynamics AB042-S2-P2 High-Precision Planetary Gearbox

Key details

From manufacturer AB series specifications:

• Frame size: AB042 (42 mm flange size)
• Type: Planetary gearbox (precision servo reducer)
• Backlash class: “P2” typically indicates ≤5 arcmin low backlash class (precision grade option in AB series)
• Stages: 1-stage or 2-stage depending on ratio variant
• Torque range (series-wide): ~14 Nm to 2000 Nm
• Ratio range (series-wide):
  • 1-stage: 3:1 to 10:1
  • 2-stage: up to 100:1
• Input type (S2): Servo motor adapter configuration (Apex mounting standard)
• Output shaft: Typically keyed or smooth depending on build variant

What “AB042-S2-P2” means

• AB042 → 42 mm frame size gearbox
• S2 → specific input/mounting configuration (servo motor interface style)
• P2 → backlash precision class (moderate-high precision, usually ~≤5 arcmin range)

Typical applications

• CNC axes
• Robotics joints
• Pick-and-place systems
• Packaging and automation machinery
• Servo motor reduction stages