Up to 1.2 Nm stall capacity
9,000 to 25,000 RPM
Verified international standards
D-cut, splines, 9T-15T pinions
Matched controllers & BMS
Secure global escrow terms
Prototypes from 5-50 pcs
Full review within 24h
The RS550 High Torque DC Motor represents the worldwide benchmark for high-power-density brushed DC actuators. Built with anisotropic ferrite permanent magnets, reinforced pure copper windings, and balanced 5-pole armatures, our RS550 series ensures exceptional starting acceleration, thermal resilience, and minimal torque ripple under intense load conditions.
| Nominal Voltage Rating | 10.8V, 12V, 14.4V, 18V, 21V, 24V DC |
|---|---|
| No-Load Rotational Speed | 16,000 – 25,000 RPM (Custom winding available) |
| Peak Stall Torque | 0.58 Nm – 1.15 Nm (Substantially higher through gearboxes) |
| Armature Pole Structure | 5-Slot skewed silicon steel laminations with dynamic balance |
| Thermal Dissipation | Internal radial centrifugal fan + high-flow casing vents |
| Shaft Options | Diameter 3.175 mm (1/8"); Round, D-Flat, Knurled, or Custom Length |
| Gear Pinion Options | 9T, 11T, 12T, 14T, 15T (Module 0.5 to 1.0; Carbon Steel / Sintered) |
| Brush Construction | High-copper carbon composite brushes with silver copper commutator |
Global procurement teams must balance rotational velocity, locked-rotor amperage, continuous thermal limits, and gear tooth engagements. Explore our optimized model variations below.
Optimized for 3S Lithium-ion (10.8V - 12.6V) battery packs. Delivers 19,500 RPM no-load speed with robust copper-graphite brush commutation. Recommended for high-cycle screwdrivers, mini reciprocating saws, and compact robotic chassis requiring instant torque delivery.
Get CatalogTailored for 5S battery architecture (18V to 21V Max). Engineered with high-temperature 180°C class-H enameled copper magnet wire and high-coercivity magnets. Achieves up to 22,000 RPM, serving garden shears, cordless angle grinders, and heavy-duty planetary drill drives.
Get CatalogWound with thinner gauge wire and increased turns per slot to minimize continuous current draw while maintaining solid power output. Excellent for 24V industrial linear actuators, conveyor rollers, electric wheelchairs, and mobile automated guided vehicles (AGV).
Get CatalogAs global hardware design moves toward modularity, energy efficiency, and tighter mechanical integration, procurement strategies for the RS550 motor and its associated drive systems are evolving rapidly.
Modern Original Equipment Manufacturers (OEMs) and Original Design Manufacturers (ODMs) are shifting away from piecemeal sourcing. Procurement directors no longer purchase the RS550 motor, pinion gear, motor control PCBA, and wiring harness from separate vendors. The risk of mechanical tolerance stack-up, gear tooth misalignment, and EMI non-compliance makes consolidated sourcing imperative.
At Shenzhen VUKO Electronics Co., Ltd., we bridge the gap between motor electrodynamics and PCB assembly. Our clients receive pre-tested sub-assemblies where the RS550 motor is already press-fitted with hardened pinions, connected via custom wiring harnesses, and matched to custom-manufactured PWM motor controller PCBAs and battery management modules.
Global regulatory agencies (CE, RoHS, REACH, FCC Part 15) are enforcing tighter limits on electromagnetic radiation and electrical switching noise generated by brushed commutators. Next-generation procurement specifications require integrated ceramic varistors, bifilar suppression chokes, or surface-mounted EMI filtration boards installed directly across motor end-caps. Advanced copper-carbon composite brushes with tuned spring tension are extending maintenance-free lifespans beyond 400 continuous heavy-load operating hours.
While Brushless DC (BLDC) motors offer higher electrical efficiency, the RS550 High Torque DC Motor remains dominant in global B2B purchasing for three decisive reasons: exceptional cost-to-torque ratio, absolute simplicity of speed control (pure PWM or variable voltage), and immediate stall survival without micro-controller firmware lockouts.
For high-volume consumer tools, outdoor lawn and garden machinery, automotive secondary actuators, and agricultural automation, the RS550 provides the lowest total system BOM cost. Sourcing departments rely on Shenzhen VUKO Electronics Co., Ltd. to optimize brushed motor architectures to deliver maximum punch at unmatched commercial pricing points.
Always specify: (1) Target operating voltage (VDC), (2) Maximum current envelope under stall (Amperes), (3) Duty cycle (intermittent vs. continuous), (4) Pinion tooth count, module pitch, and pressure angle, and (5) Environmental protection needs (dust ingress, operating temp range).
Maximize your supply chain efficiency by consolidating your RS550 motor orders with matched PCBAs, high-current drivers, sensors, and thermal management components from a single certified factory.
Based in the epicenter of global electronics manufacturing in Shenzhen, we deliver end-to-end reliability, engineering depth, and agile manufacturing.
As an onsite-verified manufacturer on Alibaba.com with over 14 years of direct export excellence, Shenzhen VUKO Electronics Co., Ltd. delivers comprehensive electromechanical engineering services. We eliminate the traditional friction of coordinating between disconnected component factories. Whether you need bare PCB manufacturing, turnkey SMT/DIP assembly, specialized membrane switches, or robust RS550 High Torque DC Motors paired with smart drive controllers, our team oversees every phase of design, production, and quality verification.
Our bilingual electromechanical engineers review your mechanical drawings, electrical curves, and BOM configurations prior to production, preventing costly re-spins and ensuring your end products comply with strict international regulatory benchmarks.
Real-world insights into our Shenzhen workshops, combining state-of-the-art automated surface mounting, dynamic balancing, and rigorous electrical safety checks.
Everything OEM purchasing managers and design engineers ask when sourcing RS550 motors and complementary electronic assemblies.
The RS550 (also known as the 550 brushed DC motor) features a standard outer casing diameter of approximately 35.8 mm to 38 mm and an overall body length of 57 mm, with a standard shaft diameter of 3.175 mm (1/8 inch). It operates within nominal DC voltages from 6V up to 24V (commonly 10.8V, 12V, 14.4V, 18V, and 21V). No-load rotational speeds vary between 9,000 RPM and 25,000 RPM depending on coil winding turns and armature wire diameter. Under heavy loads, peak stall torque reaches between 0.58 Nm and 1.2 Nm, delivering exceptionally high power-to-weight performance.
Shenzhen VUKO Electronics Co., Ltd. offers full OEM shaft and gear customization. Buyers can request circular shafts, single or dual D-cut shafts, cross-drilled retaining holes, knurled splines, or pre-installed pinions. Our standard gear options include 9-tooth, 11-tooth, 12-tooth, 14-tooth, and 15-tooth configurations across gear modules 0.5 to 1.0, fabricated from heat-treated carbon steel or sintered powder metallurgy to withstand high-shock reverse torque spikes.
The RS550 High Torque DC Motor integrates an internal radial centrifugal cooling impeller positioned behind the armature commutator. As the motor spins, this fan draws cool air through rear end-cap vents across the armature windings and forces hot exhaust out through forward housing slots. For extreme duty cycles, our engineers implement Class-H (180°C) or Class-C (200°C) enameled copper magnet wire and high Curie-temperature anisotropic ferrite magnets to resist thermal demagnetization.
Yes. As a comprehensive electronics manufacturing service provider, Shenzhen VUKO Electronics Co., Ltd. designs and manufactures matched high-current PWM speed control PCBAs, H-bridge reversing driver boards (such as integrated BTS7960 or custom MOSFET bridge designs up to 50A peak), and multi-cell lithium battery BMS boards (3S, 4S, 5S configurations). Purchasing complete motor and control sub-assemblies from one partner eliminates integration headaches and ensures EMI compliance.
Every motor batch undergoes dynamic rotor balancing to prevent high-speed vibration and audible flutter. We perform 100% no-load current and RPM checks, locked-rotor current benchmarks, high-voltage dielectric insulation tests between windings and stator casing, and thermal rise burn-in tests. All products meet RoHS, REACH, and CE safety standards, accompanied by factory inspection reports.
To support prototyping, research and development, and initial engineering pilot runs, our minimum order quantity starts as low as 5 to 50 pieces for standard or semi-custom RS550 motors. Evaluation samples can be dispatched within 3 to 7 working days. For mass OEM shipments, production lead time typically ranges between 15 and 25 working days. We support Alibaba.com Trade Assurance, T/T wire transfer, PayPal, and Letter of Credit (L/C).
Contact Shenzhen VUKO Electronics Co., Ltd. for comprehensive 2D/3D CAD models, dynamic motor curve datasheets, companion PCBA drive diagrams, and wholesale volume pricing.