Nema 17 BF42HS28-0504 with BF-FLE42-LSW Series Hybrid Bipolar Geared Stepper Motor with Planrtary Gearbox 4/5/10/20/25/50/100:1

BesFoc Nema 17 stepper motor with 28mm body length, 20Ω, 21mH, 0.5A rated current and 0.18N.m (25.49oz.in) holding torque, integrated a planetary gearbox of 4:1 / 5:1 / 10:1/20:1/25:1/50:1/100:1 gear ratio. A Φ9.5mm diameter rear shaft with screw holes on rear endcap is available. It's a good solution to applications that with limited space but need low speed and/or high torque.For more different stepper motors requirements (such as gearbox, brake, encoder, or integrated motors), please contact us!!!

Nema 17 Stepper Motor Electrical Specifications：

• Type: Nema17 bipolar stepper motor

• Model Name: BF42HS28-0504

• Phase: 2

• Step Angle: 1.8 degree

• Current: 0.5A

• Resistance: 20Ω±0.1(20℃)

• Inductance: 21mH±20%(1kHz 1V RMS)

• Holding Torque: 0.18N.m (25.49oz.in)

• Insulation Class: B(130°); 80K Max.

• Optional Parts: Gearbox, Encoder, Brake, Integrated Driver...
  

  
  

Gearbox Specifications:

• Model: BF-FLE42-LSW Series

• Gearbox Type: Planetary Gearbox

• Gear Ratio: 4:1 / 5:1 / 10:1/20:1/25:1/50:1/100:1

• Efficiency: 90% / 80%

• Backlash: ≤30 arcmin - 45 arcmin

• Rated Torque: 5N.m - 10N.m

• Sundden Stop Torque: 10N.m - 20N.m

• Shaft Maximum Axial Load: 100N

• Shaft Maximum Radial Load: 300N

• Rated Input Speed: 1000rpm

• Max Input Speed: 2000rpm

• Average Life Span: 20000h

• Noise: ≤55dB

• Protection Level: iP54

Physical Specifications:

• Frame Size: Nema 17 (42 x 42mm)

• Motor Length: 28mm

• Gearbox Length: 76.5mm/81.5mm

• Gearbox Shaft Diameter: Φ8mm

• Gearbox Shaft Length: 21.5mm

• Gearbox Key Length: 14mm

• Motor Shaft Diameter: Φ5mm

• Motor Shaft Length: 24mm

• Number of Leads: 4

• Lead Length: 300mm

• BF-FLE42-L1SW Weight: 0.29kg

• BF-FLE42-L3SW Weight: 0.38kg

Wires Connection: