These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 8 mm diameter motor shafts. The set includes two hubs, four M3 set screws for securing the hubs to motor shafts, and one 1.5 mm Allen wrench for use with the set screws.

Pololu high power miniature motor with carbon brushes. 380:1 gear motor, shaft speed 85 rpm, torque 5kg*cm. The motor has an extended shaft, which makes it easy to attach the encoder. Pololu 4799

Small metal gear motor, rotation speed 381 RPM, operating voltage 6 V. GA1024-N20F-0038

Motor with 20 mm diameter and 46 mm length, 313:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 45 RPM speed and 13 kg*cm maximum torque. Pololu 3721

15:1 Micro Metal Gearmotor HP with Extended Motor Shaft

298:1 Micro Metal Gearmotor with Extended Motor Shaft

15:1 Micro Metal Gearmotor. Pololu 4780

A set of two white plastic brackets for mounting micro Pololu motors. Mounting screws and nuts are included. Pololu 1086

Miniature, 6V brush DC motor with metal gear and 15.25:1 gear ratio. It has a cross section of 10 × 12 mm, and the D-shaped output shaft with a length of 9 mm and a diameter of 3 mm. Pololu 4785

Brushless motor MN1806 2280 kV. Dedicated to drones

Vibration damper for NEMA23 engines (Damper). It attenuates the vibrations and vibrations occurring at engine operation. Dimensions: 56x56x6mm

A set of two magnetic encoders for use with Pololu DC Micro motors. The maximum resolution is 12 pulses per one revolution of the motor shaft. Powered from 2.7V to 18V. Pololu 4760

Solarbotics GMB28 (GM2/GM8 Gear Motor Bracket, Laser-Cut Steel)

Motor with a diameter of 37 mm and a length of 76.5 mm, with a gearbox of 810:1, a working voltage of 12 V, a current consumption from 1.1 A to 6 A, a speed of 18 RPM and a maximum torque of <35 kg*cm. JGB37-550

Gravity: Vibration Motor Module is a module with a small vibration motor powered by 5V voltage, controlled by a binary signal (high / low state) or using a PWM signal. DFRobot DFR0440

This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 75.81:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 100.37:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 12 V: 320 RPM and 100 mA with no load, 30 oz-in (2.2 kg-cm) and 0.8 A at stall.

Motor with 37 mm diameter and 57 mm length, 150:1 metal gear, 24 V operating voltage, 0,1 A to 3 A power consumption, 68 RPM speed and 56 maximum torque. Pololu 4687

DC motor with 1:84 planetary gear with a supply voltage from 6 to 24 V and a rotational speed of 140 RPM. Maximum current consumption up to 1.3 A. SparkFun ROB-15277

Copper alloy traveling nut intended for use with Tr8×8(P2) threaded rods and features a mounting flange with four holes threaded for M3 screws. Pololu 2688