99:1 Metal Gearmotor 25Dx54L mm MP 12V with 48 CPR Encoder

This gearmotor consists of a medium-power, 12 V brushed DC motor combined with a 98.78:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 4741.44 counts per revolution of the gearbox?s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

Key specs at 12 V: 76 RPM and 200 mA free-run, 12 kg-cm and 2.1 A stall.

Specifications:

• Size: 25D x 66L mm
• Weight: 104 g
• Shaft diameter: 4 mm
• Gear ratio: 98.78:1
• No-load speed at 12 V: 76 rpm
• No-load current at 12 V: 200 mA
• Stall current at 12 V: 2100 mA
• Stall torque at 12 V: 12 kg-cm
• No-load speed at 6 V: 38 rpm
• Stall current at 6 V: 1050 mA
• Stall torque at 6 V: 6 kg-cm
• Lead length: 20.32 cm
• Motor type: 2.1 A stall at 12 V (MP 12 V)
• Encoders: Yes