Johnson Electric RS-550 Replacement Motor – 12V 21000RPM High-Speed DC Motor

Johnson Electric RS-550 replacement motor runs at 12V 21000RPM, offering high-speed performance for power tools, toys, and small appliances. Reliable and compact, it’s a direct-fit upgrade for original equipment.

Johnson Electric RS-550 Motor Replacement Motor 12V 21000RPM High Speed - 550 Size DC Motor

Main features:

Model: RS-550
Diameter 35.8*57mm, Shaft 3.175mm; Voltage:3.6~60V; No-load Speed:3000~25000 rpm; ROHS compliant;
1.motor size:35.8*57.0mm; 2.mounting holes:2-M3.0*0.5; 3.shaft:3.175mm in diameter, the length can be as customer required; 4.power: can be as customer required; 5.can match with 36/37mm gearbox; 6.can be double shaft for an encoder,11ppr/7ppr; 7.samples are available now; 8.Examples of motor specifications are listed below; 9. Basic Structure: Zinc coated steel housing / Zinc coated steel end cap.
Application:Pan/tilt camera, dc motor for toy car, 12v DC Micro RS 550 Motor, 12v DC Micro RS 550 Motor, 12v DC Micro RS 550 Motor, 12v DC Micro RS 550 Motor, 12v DC Micro RS 550 Motor, 12v DC Micro RS 550 Motor,auto shutter, welding machines, water meter, IC card, grill, oven, cleaning machine, garbage disposers, household appliances, slot machines, money detector, toy car,automatic actuator,pump and RC model.
Weight: Approx. 220g (without protecting metal shell about 200g).

RS-555, RS-550, RS-540 & RS-545 dc motor data examples:

Model	Voltage		No load		At Maximum Efficiency					Stall
	Range	Rated	Speed	Current	Speed	Current	Torque	P.out	EFF.	Torque	Current
	V		R/min	A	R/min	A	g-cm	W	%	g-cm	A
RS-540SH-5045	4.5-12	12	17,800	0.98	15,300	6.15	320	50.2	68.1	2,278	37.8
RS-540SH-4565	4.5-18	12	11,000	0.52	9,450	3.18	260	25.2	66.1	1,845	19.4
RS-540SA-33110	6-24	12	6,750	0.3	5,700	1.6	220	12.8	67	1,414	8.7
RS-540SA-18270	12-20	12	2,780	0.13	2,150	0.42	126	2.78	55.2	556	1.4
RS-545SH-5016	3-9	9	22,500	1.5	19,000	8.12	262	51.1	69.9	1,684	44.1
RS-545SH-5018	4.5-12	12	24000	1.3	20510	7.65	317	66.7	72.5	2181	45.0
RS-545SA-2870	6-20	9	2,270	0.23	1,840	1	150	2.83	68.7	792	4.3
RS-545SA-2486	9-20	12	4,800	0.25	3,800	0.99	175	6.83	57.5	840	3.8
RS-545SA-2595	9-20	12	4000	0.06	3200	0.48	120	3.94	68.4	600	2.16
RS-550PC-8019	6-9.6	7.2	15300	1.4	13540	10.8	425	59.1	68	3700	83
RS-550VC-7525	6-14.4	12	17600	1.2	15730	10.1	594	95.9	69	5596	85
RS-555SA-4022	6-12	8	9600	0.53	8000	3.42	220	18.1	66	1326	17.9
RS-555PH-2670	9-15	12	4500	0.2	3800	0.83	170.1	6.69	67.2	1100	4.26
RS-555SH-6838	16-21	18	15000	0.8	11000	2.8	306	34.6	68.7	1650	11.4

Dimensions and performance curves of RS-540, RS-545, RS-550, RS-555 dc motor for reference:

Download RS-550 DC motor datasheet for clear view:

RS-550-datasheet.pdf

Notice: Data in this typical specification sheet are for other certain customers. Voltage, rated torque, speed, current, power and shaft extension feature & dimension can be customized to meet customer specific requirement.

PREVIOUS：BL3657i B3657M 36mm inner rotor Small BLDC Brushless DC Motor with internal driverNEXT：PG42-775 42mm mini epicyclic(planetary) gear motor