Beefy Planetary Gearbox For Nema 34 Stepper Motor 100 To 1 Gear Reduction With Backlash Under 35 Arc Minutes Quiet Operation Under 60dB 86mm Square Frame 14mm Input Shaft 16mm Output Shaft Built For CNC Benchtop Lathe 3D Printer Router Projects

Planetary gearbox for NEMA 34 motor with 100:1 ratio
✔️ 86x86 mm flange, 100:1 ratio, input 14 mm, output 16 mm, 1 pc incl

This planetary gearbox is designed to mate with NEMA 34 stepper motors, delivering a compact, high-torque drive ideal for CNC benchtop lathes, 3D printers, and router projects where space and precision matter.

Dimension	Metric	Imperial
Flange size	86 x 86 mm	3.38" x 3.38"
Input shaft	Ø14 mm	Ø0.55"
Output shaft	Ø16 mm	Ø0.63"
Gear ratio	100:1	100:1
Backlash	<35 arc-min	<35 arc-min
Noise	≤60 dB	≤60 dB

✅ Gearbox type: planetary, 100:1 reduction, 86 mm flange
✅ Input shaft: 14 mm; output shaft: 16 mm
✅ Backlash under 35 arc-min for precise motion
✅ Noise under 60 dB for quiet operation
✅ Rated load: 60 Nm; max load: 100 Nm
✅ Material: alloy steel; long life up to 20000 h
✅ Includes: 1 gearbox and 4 screws
✅ Fits NEMA 34 86 mm motor

💡 What is a planetary gearbox used for in CNC and 3D printing setups? This handy drive is designed for tight spaces and heavy torque. - low backlash for precise positioning
- high torque in a compact form
- easy mounting on NEMA 34 motors
- quiet operation under 60 dB