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MR Series
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MR106-2RS Sealed Miniature Ball Bearing | Advanced Contaminant Defense | 6×10×3 mm

MR106-2RS Sealed Miniature Ball Bearing | Advanced Contaminant Defense | 6×10×3 mm

The MR106-2RS is a highly resilient, single-row miniature deep groove ball bearing designed for precision applications where space is limited and environmental protection is paramount. Measuring just 6×10×3 mm, this micro-bearing is equipped with premium dual synthetic rubber contact seals (2RS). This sealing mechanism forms an aggressive barrier against fine dust, particulate matter, and liquid ingress. Unlike standard metal shields, the NBR rubber seals maintain a continuous, light-friction contact with the bearing's inner ring, locking the factory-applied lubricant inside and drastically reducing the need for maintenance in challenging or outdoor environments.

MR106-2RS Deep Groove Ball Bearing 6×10×3 mm | MR Series – Precision & Resilience

Engineered to deliver seamless rotational dynamics without compromising on structural integrity, this sealed micro-bearing thrives in spaces where standard bearings would succumb to debris contamination. From the rapid rotational demands of micro-drone motors to the precise movements of medical laboratory equipment, the MR106-2RS offers unparalleled reliability. The integrated contact seals isolate the internal raceways and steel balls from abrasive elements, ensuring a quiet, low-vibration performance and a prolonged operational lifespan across diverse industrial and consumer applications.

MR106-2RS Sealed Miniature Ball Bearing | Advanced Contaminant Defense | 6×10×3 mm

Comprehensive Applications

Optimized for mechanical engineers and product developers seeking robust environmental shielding in ultra-compact form factors:

Precision RC & Hobbycraft
  • Micro RC Helicopter Main Shafts
  • 1/18 and 1/24 Scale RC Buggy Hubs
  • Drone Camera Gimbal Pivot Points
  • High-Torque Hobby Servo Motors
Robotics & Automation
  • Micro Robotic Joint Articulation
  • Automated Optical Inspection (AOI) Stages
  • Miniature Rotary Encoder Assemblies
  • Compact Conveyor Idler Rollers
Medical & Laboratory Tech
  • Portable Oxygen Concentrator Motors
  • Handheld Dental and Surgical Tools
  • Laboratory Sample Agitators and Shakers
  • Precision Fluid Infusion Pumps
Commercial & Smart Appliances
  • High-Speed Computer Cooling Fans
  • Smart Door Lock Actuator Mechanisms
  • Automated Window Blind Motors
  • Compact Juicer and Blender Assemblies

Key Performance Features

01. Premium NBR Contact Seals (2RS)

Fitted with Nitrile Butadiene Rubber (NBR) seals on both faces, the "2RS" architecture provides superior defense against moisture, lubricants, and atmospheric dust. This configuration is critical for maximizing uptime in equipment exposed to variable climates or high-particulate manufacturing zones.

02. GCr15 Chrome Steel Durability

Manufactured from high-carbon GCr15 Chrome Steel, the inner rings, outer rings, and rolling elements are subjected to advanced heat treatments. This yields an exceptional Rockwell hardness, granting the bearing high fatigue strength and the ability to maintain its P5 precision rating under sustained radial loads.

03. Ultra-Compact 6mm Bore Form Factor

With a 6mm bore, 10mm outer diameter, and an ultra-slim 3mm width, the MR106-2RS enables extreme miniaturization of mechanical assemblies. Weighing merely 0.8 grams, it is an essential component for weight-critical, battery-operated devices that still require heavy-duty environmental sealing.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series MR Series (Miniature Metric)
Basic Designation MR106
Suffix 2RS (Dual Synthetic Rubber Contact Seals)
Bore Diameter (d) 6 mm
Outer Diameter (D) 10 mm
Width (B) 3 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class P5 / ABEC-5 Available
Seal Material Synthetic Rubber (NBR)
Dynamic Load Rating (Cʳ) 0.496 kN (496 N)
Static Load Rating (C₀ʳ) 0.218 kN (218 N)
Limiting Speed (Grease) 38,000 r/min
Limiting Speed (Oil) 45,000 r/min (Seals removed)
Weight (approx.) 0.0008 kg (0.8 grams)

Interchange Part Numbers

Recognized global manufacturer equivalents for seamless technical procurement:

  • SKF: MR106-2RS1
  • NMB: L-1060DD
  • NSK: MR106 DDU
  • NTN: MR106 LLU
  • FAG: MR106-2RSR
  • KOYO: MR106-2RS

Design & Configuration

The MR106-2RS is the optimal solution for engineers requiring a "fit-and-forget" bearing in contaminant-heavy environments. While contact seals introduce a fractional increase in running torque, the resulting protection of the raceway geometry is indispensable. Leveraging comprehensive industry expertise, Welink Bearing accommodates custom manufacturing requests, including specific grease fills and internal clearance modifications (such as C3), to perfectly align with your system's thermal and rotational parameters.

"Integrate the MR106-2RS sealed miniature bearing to secure uncompromising rotational accuracy and supreme environmental defense for your most compact mechanical architectures."

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