The size of this gearbox is 57 x 57 mm and the input shaft diameter is 8 mm. This high-precision planetary gearbox is belong to FLF series gearbox, it with gear ratio  4:1 / 5:1 / 10:1 /  20:1 / 25:1 / 50:1 and a maximum 30 arc-min ~ 45 arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value. This inline planetary gearbox built-in an input shaft coupling which can match any standard Nema 17 stepper motor.

Gearbox Specifications:

• Model: FLF57 Series

• Gearbox Type: Planetary Gearbox

• Gear Ratio: 4:1 / 5:1 / 10:1 / 20:1 / 25:1 / 50:1 

• Efficiency: 90% / 80%

• Backlash: ≤30 arcmin - ≤45 arcmin 

• Rated Torque: 10N.m- 25N.m

• Sundden Stop Torque: 20N.m- 50N.m

• Rated Input Speed: 1000rpm

• Max Input Speed: 2000rpm
  

• Average Life Span: 20000h

• Axial Force: 100N

• Radial Force: 300N
  

• Noise: ≤55dB 

• Protection Level: iP54

Physical Specifications:

• Gearbox Length:  L: 89.5mm ,102mm  LSW: 100.3mm,112.8mm

• Gearbox Shaft Diameter: Φ14mm

• Gearbox Shaft Length: 34mm

• Gearbox Key Length: 25mm

• FLF57-L1 / L2 Weight: 0.65kg / 0.65kg

• FLF57-L1SW/ L2SW Weight: 0.75kg / 0.9kg

FLF57-L Series Common Planetary Gearbox Specification:

FLF57-LSW Series Common Planetary Gearbox Specification:

Planetary Gearbox Physical Specification: