22mm DC Planetary Gearmotor

Gear Motor Torque & Speed

22mm 12V & 24V Planetary Gear Motors with Optional Encoder

Our 22mm 12V/24V planetary gear motors come with an optional encoder. Uniform load distribution minimizes gear abrasion and maintains quiet, low-noise operation. These DC planetary gear motors are ideal drive solutions for electric locks, miniature valves, medical instruments and compact automated devices. Also available in 16mm, 28mm, 32mm sizes.

Key Features

Flexible torque and speed output with dual 12V/24V voltage options
Low noise & long service life with mixed planetary gears and built-in shaft ball bearings
Optional encoder support for precise positioning, multiple body length options
Full OEM custom modifications, ideal for medical devices, electric locks and small automation equipment

Gear Motor Torque & Speed
	Reduction ratio	1/4	1/14	1/16	1/19	1/53	1/62	1/72	1/84	1/104	1/198	1/231	1/270	1/316	1/370	1/455	1/742	1/1014	1/1249	1/1621
12V	Rated torque(g.cm)	100	300	350	410	970	1100	1300	1500	1900	2500	2500	2500	2500	2500	2500	3000	3000	3000	3000
12V	Rated speed(rpm)	1000	340	290	245	90	77	66	56	46	24	21	18	16	13.5	11	7.3	5	4.2	3.3
24V	Rated torque(g.cm)	120	360	420	490	1150	1300	1500	1800	2000	2500	2500	2500	2500	2500	2500	3000	3000	3000	3000
24V	Rated speed(rpm)	1000	330	280	240	89	76	65	55	46	24	21	18	16	13.5	11	7.3	5	4.2	3.3
	Rotation direction	CW
	Length （L-mm）	14.4	18.05			21.7					25.35						29

The Specification in the table comes from the motor with planetary gearbox, planetar gears is different material gear, highest torque is 30kg.cm

Frequently Asked Questions

Q1: What’s the rated torque of 22mm DC planetary gearmotor?

A1: The DP221 22mm DC planetary gearmotor provides variable rated torque depending on different gear ratios. Higher gear ratios deliver larger output torque. We support custom torque output to fit your small automation equipment requirements.

Q2: Which industries use small 22mm gear motors?

A2: Small 22mm planetary DC gear motors are widely used in medical instruments, automatic window actuators, smart home devices, miniature automated machinery and other compact drive systems.

Q3: How to match gear ratio for DC gearmotor?

A3: Determine required output speed and torque first. Choose a low gear ratio if you need fast speed; select a higher gear ratio when greater torque is needed. Our engineering team can assist you with gear ratio selection.

Q4: Can I get customized 22mm planetary gear motor solutions? A4: Yes. Our DP221 series supports OEM custom modifications, including shaft size, voltage, wiring and special gear configurations to satisfy unique application demands.

Gearmotor Specifications

DC Motor Specification
Rated volt(V)	Rated torque（g.cm）	Rated speed(rpm)	Rated current(mA)	No load speed(rpm)	No load current(mA)	Weight(g)
12	31	4790	<=240	6000	<=80	43
24	37	4710	<=145	6000	<=55	43

Mechanical Dimensions

Download

Full Datasheet

DP223-03&04.pdf