Nema 11 Stepper L=51mm w/ Rear Shaft & Screw Hole & Gear Ratio 51:1 Gearbox

This Nema 11 stepper motor with 51mm body and 0.67A rated current, integrated a planetary gearbox of 51.9:1 gear ratio. It's a good solution to applications that with limited space but need low speed and/or high torque.

Electrical Specification

• Manufacturer Part Number: 11HS20-0674D-PG51
• Motor Type: Bipolar Stepper
• Holding Torque: 14Ncm(19.88oz.in)
• Rated Current/phase: 0.67A
• Phase Resistance: 12ohms
• Inductance: 6.5mH±20%(1KHz)
• Insulation Class: B 130°C[266°F]

Gearbox Specifications

• Gearbox Type:Planetary
• Gear Ratio:51.9:1
• Efficiency:73%
• Backlash at No-load:<=3deg
• Max.Permissible Torque:3Nm(425oz.in)
• Moment Permissible Torque:5Nm(708oz.in)
• Shaft Maximum Axial Load:5N
• Shaft Maximum Radial Load:25N

Physical Specification

• Frame Size: 28 x 28mm
• Motor Length: 51mm
• Gearbox Length:42.7mm
• Front Shaft Diameter: Φ6mm
• Front Shaft Length: 18mm
• Front D-cut Length: 12mm
• Rear Shaft Diameter: Φ4mm
• Rear Shaft Length:12mm
• Number of Leads: 4
• Lead Length: 500mm
• Weight: 312g

Connection