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Prime 202 50K RPM Brushless Micromotor - RHJC

Prime202-RHJC
Most cost-effective 100W brushless micromotor with 50,000 RPM handpiece and 4.8 N.cm torque. Ultra-quiet, ceramic bearings & foot pedal for dental, jewelry & nail salon duty.
Description Company Profile
Prime 202 brushless control console and 202HP handpiece dimension chart.

Technical Specifications

Parameter Specification
Model

Prime 202 Console + Prime 202HP Handpiece

Motor Type High-Efficiency Maintenance-Free Brushless Motor
Output Power

100W

Speed Range

0 – 50,000 RPM (Stepless Dial)

Maximum Torque

4.8 N·cm

Direction Control

Forward / Reverse (Center Dial Push Button & F/R Indicator)

Bearing System

High-Precision Ceramic Bearings (1.5× Longer Lifespan)

Core Components

Precision Internal Parts Imported from Korea & Japan

Collet Chuck Size

Standard 2.35 mm (3/32")

Handpiece Dimensions

157 mm (L) × Ø27 mm (Max Body) / Ø16 mm (Front Tip)

Handpiece Weight

Approx. 215 g

Control Unit Dimensions

175 mm (D) × 130 mm (W) × 77 mm (H)

Total Set Weight

Approx. 2.74 kg

Input Voltage

Dual Voltage: 100V–120V / 220V–240V (50/60Hz)

Protection Systems

Automatic Stop System for Overload

Pedal Operation

Hand / Foot Pedal Dual Mode (Side Rocker Switch)

Fuse Rating

2A (External Accessible Rear Fuse)

Certifications

ISO9001, CE, RoHS, SGS

Warranty

1-Year Factory Warranty

 

Target Applications & Compatible Materials

  • Dental Laboratory Applications:

    • Fine trimming and surface pre-polishing of provisional crowns, resin restorations, and dental composite teeth.

    • Rapid contouring of stone models, acrylic denture bases, and clear aligner splints without vibration chatter.

  • Jewelry Fabrication & Goldsmithing:

    • Micro-deburring, texture buffing, and high-speed mirror polishing on gold, silver, brass, and platinum.

    • Gemstone setting preparation, microscopic detailing, and delicate mold finishing.

  • Professional Salon Nail Shaping:

    • Heavy-duty continuous removal of hard builder gels, acrylic extensions, and dip powder.

    • Smooth cuticle detailing, sidewall cleaning, and callus reduction at steady low-to-mid speeds.

  • Universal 2.35mm Accessory Fit:

    • Accommodates all standard 3/32" carbide burs, diamond points, miniature polishing brushes, and sanding bands.

 

Key Features & Performance

  • Best Price-to-Performance in Brushless Range: Designed as the most cost-effective 50,000 RPM brushless system in the RHJC catalog, providing high profit margins for distributors and affordable entry-level reliability for busy studios.

  • Ultra-Quiet Acoustic Design: Advanced brushless motor engineering and balanced internal dynamics make this one of the quietest benchtop systems available, minimizing workplace noise fatigue.

  • Durable Ceramic Bearings & Imported Mechanics: Critical mechanical components sourced from Korea and Japan combined with industrial ceramic bearings ensure tight concentricity and 1.5× longer operational life.

  • Simple, Streamlined Controls: The central rotary speed knob integrates a one-touch Forward/Reverse toggle and status lamp, while a protected side rocker switch allows quick switching between hand and foot pedal operation.

  • Ergonomic 202HP Handpiece: Features a slim 16mm front contour and balanced 215g weight to ensure comfortable pen-grip control during detailed multi-hour tasks.

 

Looking for Higher Power & Digital Display? (Model Upgrade)

For technicians requiring real-time numerical RPM monitoring and heavier torque output, explore our upgraded digital model:

  • Upgrade to Prime 221 (Digital 120W System): Features 20% higher power (120W vs. 100W), increased torque (5.8 N·cm vs. 4.8 N·cm), an LED digital speed readout, and intelligent self-diagnostic error feedback.


Prime 202 speed dial forward reverse button ports and switches breakdown

Standard Package Includes

  • 1 × Prime 202 Power Control Console

  • 1 × Prime 202HP Brushless Handpiece (50,000 RPM)

  • 1 × Foot Control Pedal

  • 1 × Silicone Desktop Handpiece Rest Cradle

  • 1 × Collet Maintenance Wrench

  • 1 × Detachable AC Power Cable (Region-specific plug)

  • 1 × User Instruction Manual

  • Packaging Specification: Molded high-density foam insert + protective bubble pouch + sturdy presentation carton.


Prime 202 complete package with handpiece foot pedal and accessories.

Wholesale & Sourcing Support

  • Private Brand Customization: Custom laser logo engraving on the handpiece barrel, custom branded console colorways, and tailored packaging available for volume distributor orders.

  • Plug & Voltage Configurations: Fully compatible with global 100V–120V / 220V–240V grids, supplied with regional US, EU, UK, or AU power cables.

  • Evaluation Samples: Sample units available for dental laboratories, jewelry tool suppliers, and salon distributors to evaluate noise levels, concentricity, and thermal stability prior to bulk orders.


Tianjin RHJC Scientific and Technological Limited, was founded in 1998, is a high-tech enterprise in the field of micromotor grinder manufacturing. It is located in the Xiqing economic development area, Tianjin city, China. We have more than 20 years of experience in developing and manufacturing micro motor grinder, we have three core competitiveness products: dental micro motor, nail drill, and jewelry & dental lab micromotor.
In the jewelry industry, world-class brand jewelry manufacturers are our stable customers, our jewelry micromotors are applied in the various polishing processes, such as golden turning flowers, diamond inlay, jade, coral & literary carving. In addition, These micromotors are also highly applied in the dental laboratory area.

 
1, Competitive selling point of PRIME-202-BRUSHLESS-RHJC
  -lowest heat & noise
  -new design with fashion shape
  -China top manufacturer of jewelry & dental lab micromotor

2, After-sales.
    RHJC micromotor & electric nail drills have a 1-year Guarantee,
    Because we are the manufacture, any problem it may happen Would be handled responsibly

3, Do you support OEM?
    We support OEM & ODM service as you can reach the minimum order.
    We have a lot of European and American customers who have already cooperated. 
    You can see many products very similar to RHJC in the market or at the exhibition.

4, Internation Certificates.
   RHJC micromotor handpieces have the latest annual international certificate, like CE, FCC & ROSH, etc.
   other certificates you need especially, we can discuss.

5, Factory Visit
    It's appreciated to invite you to visit the factory in Tianjin China.
     Please kindly informed us at least one week before your visit date.

6. To be an Agent.
   Please kindly provide the relative information to show you are a wholesaler or distributor, After that, we will fully support you. thanks for your understanding.
   In addition, If you want to be the only distributor in the region, we need to sign a contract with you for the regional annual sales amounts requirements, and then protect you.

7. About Sample
    We are very happy to provide you the sample for the test, and will also charge the relevant fees, thank you for your understanding.

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