Nema 23 BF57HS41-2804 with BF-FLF57-L Series Hybrid Bipolar Geared Stepper Motor with Planrtary Gearbox 4/5/10/20/25/50:1

BesFoc Nema 23 stepper motor with 41mm body length, 0.7Ω, 1.4mH,  2.8A rated current and 0.55N.m(77.89oz.in) holding torque, integrated a planetary gearbox of 4:1 / 5:1 / 10:1/20:1/25:1/50:1 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 23 Stepper Motor Electrical Specifications：

• Type: Nema23 bipolar stepper motor

• Model Name: BF57HS41-2804

• Phase: 2

• Step Angle: 1.8 degree

• Current: 2.8A

• Resistance: 0.7Ω±0.1(20℃)

• Inductance: 1.4mH±20%(1kHz 1V RMS)

• Holding Torque: 0.55N.cm (77.89oz.in)

• Insulation Class: B(130°); 80K Max.

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

Gearbox Specifications:

• Model: BF-FLE57-L 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

• 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 23(57 x 57mm)

• Motor Length: 41mm

• Gearbox Length: 89.5mm / 102mm/100.3mm/112.8mm

• Gearbox Shaft Diameter: Φ14mm

• Gearbox Shaft Length: 34mm

• Gearbox Key Length: 25mm

• Motor Shaft Diameter: Φ8mm

• Motor Shaft Length: 21mm

• Number of Leads: 4

• Lead Length: 300mm

• BF-FLF57-L1 Weight: 0.65kg

• BF-FLF57-L2 Weight: 0.65kg

• BF-FLF57-L1SW Weight: 0.75kg

• BF-FLF57-L2SW Weight: 0.9kg

Wires Connection: