JK-HPR60 Series High Precision Planetary Gearbox for Nema 23 24 Stepper & Bldc Motor & Integrated Servo Motor Gear Ratio: 4/5/7/10/16/20/25/28/35/40/50/70:1

The size of this gearbox is 57 x 57mm / 60 x 60mm and the input shaft diameter is 8 mm. This high-precision planetary gearbox is belong to HPS series gearbox, it with gear ratio 4:1 / 5:1 / 7:1 / 10:1/ 16:1 / 20:1 / 25:1 / 28:1  / 35:1 / 40:1 / 50:1 / 70:1  and a maximum 10arc-min~15arc-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 23 24 stepper motor and brushless dc motor.

Gearbox Specifications:

• Model: JK-HPR60-LMA Series

• Gearbox Type: Planetary Gearbox

• Gear Ratio:  4:1 / 5:1 / 7:1 / 10:1/ 16:1 / 20:1 / 25:1 / 28:1  / 35:1 / 40:1 / 50:1 / 70:1

• Efficiency: 96% / 94%

• Backlash: ≤10 arcmin - 15 arcmin

• Rated Torque: 10N.m - 32N.m

• Sundden Stop Torque: 20N.m - 64N.m

• Shaft Maximum Axial Load: 230N

• Shaft Maximum Radial Load: 450N

• Rated Input Speed: 3000rpm

• Max Input Speed: 6000rpm

• Average Life Span: 20000h

• Noise: ≤55dB

• Protection Level: iP54

Physical Specifications:

• Gearbox Length: L: 108.5mm / 124.5mm

• Gearbox Shaft Diameter: Φ14mm

• Gearbox Shaft Length: 35mm

• Gearbox Key Length: 25mm

• JK-HPR60-L1MA /L2MA Weight: 0.85kg / 1.05kg