555 Motor
High Power DC Motor: Designed for demanding applications requiring strong torque output.
Voltage Compatibility: Standard models support 6V, 12V, and 24V DC operation.
Frame Dimensions: 37mm diameter, 57mm length, suitable for mid-torque applications.
Shaft and Mechanical Options: 3.175mm shaft standard, custom lengths and flats available.
Built to Order: No off-the-shelf stock, each order produced against your specifications.
Durable Construction: High-grade copper windings and precision bearings for extended life.
Kechen Motor – 555 Motor Manufacturer in China
The 555 DC motor is a powerful brushed motor widely used in applications that require high torque, strong power output, and reliable performance. It is commonly found in power tools, automotive devices, household appliances, and industrial equipment.
Our 555 motors are designed to provide stable operation and long service life, even in demanding working environments. The RS-555 variant represents our standard offering in this frame class, manufactured with high-grade copper windings, durable steel housings, and precision bearings to ensure efficient power transmission and extended operational life.
Choosing our customized 555 DC motors ensures reliable performance and seamless integration into your electrical or mechanical systems. Various voltage ratings, speed configurations, shaft types, and mounting options are available depending on your equipment design.
What is a 555 Motor
A 555 motor is a brushed DC motor designed for applications that require higher power and torque than smaller motors. Its larger size allows it to deliver stronger output, making it suitable for devices that need more driving force.
555 motors are commonly used in equipment such as electric tools, water pumps, fans, robotics projects, and small mechanical systems. They are available in different voltage ratings and performance specifications to match various application requirements.
The Importance of Choosing High-Quality 555 DC Motors
Our 555 brushed DC motors are engineered to provide dependable power and high efficiency across a wide range of industrial and commercial applications. Key features include high torque output, stable speed control, and long brush life, ensuring reliable operation even under heavy load conditions.
The construction uses durable metal housings and precision-balanced rotors, reducing vibration and noise while improving overall performance and longevity. Strict quality control and industry-standard manufacturing processes ensure that every motor meets international performance and reliability standards.
| Parameter | 555 DC Motor Series (Typical Values) |
|---|---|
| Common Designations | RS-555, standard 555 frame |
| Body Diameter × Length | Φ 36–37 mm × 57 mm |
| Nominal Voltages | 6 V, 12 V, 24 V DC |
| No-load Speed Range | 3,000 – 18,000 rpm (winding dependent) |
| No-load Current | 0.15 – 0.6 A (voltage and winding dependent) |
| Stall Torque (approximate) | 0.4 – 1.2 N·m at rated voltage |
| Rotor Configuration | 3-pole (standard), 5-pole optional for smoother rotation |
| Weight | Approx. 160 – 200 g |
| Standard Shaft | 3.175 mm diameter × 12–17 mm length |
| Bearing System | Sintered bronze sleeve (standard) or ball bearing |
| Gearbox Options | Spur or planetary, 10:1 to 500:1 reduction |
| Additional Options | Encoder, rear shaft, custom leads, EMC suppression, ROHS compliant |
Kechen 555 DC Motor Products
Kechen 555 Motor 3D Design
Customization Scope for 555 Frame Motors
The 555 series supports a range of electrical and mechanical modifications. Winding turn count determines speed-torque characteristics. Lower turns produce higher RPM for intermittent tool use. Higher turns improve thermal stability for continuous-duty pump or fan operation.
Mechanical adjustments include shaft diameter (3.175mm standard, 4mm or custom available), flats, cross-drilled holes, and press-fit gear retention. Terminal options range from solder tabs to pre-attached leads with connectors. Gearbox integration—spur or planetary—extends application range with ratios from 10:1 to 500:1.
Why Source 555 Motors From Kechen Motor
Batch-to-batch consistency is the primary concern for volume buyers. We maintain documented winding specifications and in-process resistance verification to ensure performance repeatability across production lots.
Because we manufacture to order, every unit arrives with fresh materials. For brushed motor designs, commutator surface condition and brush spring tension directly affect start-up reliability and service life.
Lead times are communicated transparently before order acceptance. Standard configurations typically ship within 2–4 weeks. Volume pricing tiers apply from prototype quantities through full production runs.
Typical Applications for 555 Series Motors
Fluid Handling and Dispensing: These motors drive diaphragm pumps in water purification, beverage equipment, and dispensing systems. Reliable start-up under backpressure and stable speed over extended run times are essential.
Portable Power Tools: Cordless screwdrivers, compact drills, and handheld vacuums utilize this size for its balance of compact dimensions and stall torque. The design withstands repeated momentary locked-rotor conditions.
Personal Care and Wellness Devices: Massage appliances and beauty equipment employ geared configurations for high-torque, low-speed output. Noise and rotational smoothness matter in consumer-facing products.
Automotive Auxiliary Functions: Applications include electronic parking brake actuation and seat adjustment. Duty cycles are brief and intermittent but demand guaranteed functionality over the vehicle service life.
DIY Automation and Hobby Projects: Larger RC vehicles, camera motion systems, and workbench fixtures specify this motor class. The standard 3.175mm shaft interfaces with common off-the-shelf hardware.