Introducing the MR115 Ultra Miniature Bearings: Precision Engineering for Global Applications
Discover the MR115 series, the pinnacle of ultra miniature bearing technology designed for demanding applications across diverse global industries. These exceptionally compact components deliver unmatched precision and reliability where space is at a premium and performance is non-negotiable. Engineered to exacting standards, ultra miniature bearings like the MR115 are fundamental to the smooth operation of next-generation micro-mechanics.
Unparalleled Versatility Across Industries
The MR115 ultra miniature bearings excel in a vast spectrum of critical applications worldwide:
- Automotive: Instrument clusters, sensors, actuators, small pumps.
- Aerospace & Drones: Gimbal systems, camera stabilizers, miniature motors.
- Precision Instruments: Medical devices (diagnostic equipment, surgical tools), laboratory analyzers, optical devices.
- Consumer & Industrial Electronics: Small appliances (blenders, hair dryers), printers, scanners, cooling fans.
- Robotics: Joints, gearboxes, sensors in collaborative and micro-robots.
- Power & Pneumatic Tools: High-speed spindles in compact drills, engravers, precision drivers.
- Food & Office Machinery: Conveyor guides, dispensing mechanisms, automated feeders.
Precision Specifications: MR115 Ultra Miniature Bearings
| Parameter |
Value |
Unit |
Notes |
| Model |
MR115 |
- |
Precision Ultra Miniature Type |
| Bore Diameter (d) |
5 |
mm |
Inner Diameter |
| Outer Diameter (D) |
11 |
mm |
Outer Diameter |
| Width (B) |
4 |
mm |
Bearing Thickness (Width) |
| Material |
Chrome Steel / Stainless Steel |
- |
Standard Options |
| Precision Grade |
ABEC 3 / ABEC 5 |
- |
Common Grades (Higher Available) |
| Temperature Range |
-30°C to +120°C |
°C |
Standard Steel |
| Max Speed (Oil) |
~50,000+ |
rpm |
Approximate, Lubricant Dependent |
| Dynamic Load (Cr) |
~180 |
N |
Approximate Basic Rating |
Why Choose MR115 Ultra Miniature Bearings?
- Uncompromising Precision & Miniaturization: As true ultra miniature bearings, the MR115 series achieves extremely tight tolerances (ABEC 3/5 standard or higher) on inner diameter, outer diameter, and width (thickness), ensuring flawless fit and function in the most space-constrained designs. This precision minimizes vibration and runout.
- Exceptional Durability & Smooth Operation: Manufactured from high-grade chrome steel or corrosion-resistant stainless steel options and featuring optimized raceway geometry and high-quality balls, these bearings offer outstanding fatigue life and remarkably smooth, quiet rotation even under high speeds.
- Global Application Readiness: Engineered for reliability across diverse operating environments, from the controlled conditions of medical labs to the vibrations of power tools. Material choices cater to standard or corrosive-resistance needs worldwide.
- High-Speed Capability: Designed for efficient lubrication retention and minimal friction, MR115 bearings support very high rotational speeds, crucial for modern micro-motors, dental handpieces, and spindle drives.
- Optimized for Critical Miniaturization: The minimal thickness (width) of just 4mm is a key advantage, allowing integration into ultra-slim devices and complex micro-assemblies where every millimeter counts.
The Engine for Micro-Innovation The MR115 ultra miniature bearings represent the core enabling technology for devices pushing the boundaries of miniaturization and performance. Their precision engineering, robust construction, and compact dimensions make them the indispensable solution for engineers designing cutting-edge products across the automotive, aerospace, medical, industrial automation, robotics, and consumer electronics sectors globally. When failure is not an option and space is limited, trust the MR115 series to deliver unparalleled reliability and efficiency.
