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Top Miniature / Instrumentation Ball Bearings Supplier in China

With effortless operation, low friction, and high reliability in challenging applications, Amigo, China’s leading provider of miniature and instrumentation ball bearings, delivers unmatched smoothness, precision, durability, and performance. Highly trusted for their innovation and quality, Amigo meets diverse needs with compact, high-performing designs. Select Amigo and elevate your machinery for dependable solutions.

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Miniature Instrumentation Ball Bearings
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Understanding Miniature / Instrumentation Ball Bearings: What Are Miniature / Instrumentation Ball Bearings

Understanding Miniature / Instrumentation Ball Bearings: What Are Miniature / Instrumentation Ball Bearings

Miniature or Instrumentation Ball Bearings are precision components meant for tight spaces. They manage low loads and high RPMs, ensuring the smoothest possible operation while reducing friction. These bearings are effectively used in various industries such as medical, aerospace, and electronics, where dependable functionality is needed for delicate applications like surgical tools, drones, and optical devices.

Exploring the Uses of Miniature / Instrumentation Ball Bearings

  • Precision Instruments: Enable accurate motion in tools like lasers and measurement devices.

  • Electronics: Ensure smooth operation in printers, hard drives, and fans.

  • Aerospace Applications: Provide reliability in drones and advanced aviation technologies.

  • Automation Equipment: Increase efficiency in robotics and precision-driven industrial systems.

  • Consumer Products: Enhance performance in tools, toys, and kitchen appliances.

Exploring the Uses of Miniature / Instrumentation Ball Bearings

Why Choose Miniature / Instrumentation Ball Bearings? Top Advantages Explained

Miniature and instrumentation ball bearings are essential for precision applications in industries like aerospace, medical devices, and robotics. Their compact design, high performance, and reliability make them a top choice for engineers.

Compact Size

Fits tight spaces without compromising performance or load capacity.

Durability

Operates reliably under high-speed and demanding conditions.

Versatility

Supports various industries, including aerospace, medical, and electronics.

Efficiency

Reduces friction, improving energy use and component longevity.

What are tiny ball bearings used for?

  • Precision Devices: Used in equipment like medical tools and instruments, ensuring smooth, accurate motion in compact, constrained spaces.
  • Electronics and Gadgets: Applied in fans, motors, and assemblies to provide efficient performance and reduce friction in small electronic devices.
  • Industrial Machinery: Enhance performance in robotics, automation, and machinery requiring durable, high-precision, space-saving bearing solutions.

How to Choose the Right Miniature Bearing?

  • Identify Load and Speed Requirements: Choose bearings that match your application's load capacity and rotational speed for optimum performance.
  • Consider Material and Environment: Select materials that resist wear and corrosion, suitable for specific operating conditions like temperature or moisture.
  • Evaluate Size and Design: Ensure compatibility with space limitations and specific designs for precision and efficient motion.

Explore Our Miniature / Instrumentation Ball Bearings Series

DDRI Series Radial Shielded Miniature_ Instrumentation Ball Bearings

DDRI Series Radial Shielded Miniature/ Instrumentation Ball Bearings

The DDRI Series Radial Shielded Miniature Bearings offer precision and reliability for compact applications. With low friction and high-speed capabilities, they are ideal for robotics and medical devices. Their shielded design ensures durability in demanding environments.

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DDRIF Series Flanged Shielded Miniature_ Instrumentation Ball Bearings

DDRIF Series Flanged Shielded Miniature/Instrumentation Ball Bearings

DDRIF Series Flanged Shielded Bearings provide superior stability in small-scale systems. The flanged design simplifies installation, while their high precision supports aerospace and instrumentation needs. These bearings excel in low-friction, high-speed operations.

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DDRI Series Extended Inner Ring Miniature _ Instrumentation Ball Bearings

DDRI Series Extended Inner Ring Miniature/Instrumentation Ball Bearings

The DDRI Series Extended Inner Ring Bearings are designed for enhanced axial support in miniature applications. Perfect for optical equipment and micro-motors, they offer high precision, reduced friction, and easy mounting for reliable performance.

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DDL Metric L Series Radial Shielded Miniature _ Instrumentation Ball Bearings

DDL Metric L Series Radial Shielded Miniature/Instrumentation Ball Bearings

DDL Metric L Series Bearings deliver precision in metric-sized systems. Their radial shielded design ensures low friction and durability, making them suitable for dental tools and robotics. High-speed performance meets compact engineering needs.

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DDR Metric R Series Radial Shielded Miniature _ Instrumentation Ball Bearings

DDR Metric R Series Radial Shielded Miniature/Instrumentation Ball Bearings

DDR Metric R Series Bearings are optimized for metric applications requiring high precision. With radial shielding, they reduce friction and wear, ideal for instrumentation and automation industries. Compact yet robust for high-speed tasks.

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600 Series Miniature _ Instrumentation Ball Bearings

600 Series Miniature/Instrumentation Ball Bearings

The 600 Series Miniature Bearings are engineered for small-scale, high-performance applications. Offering excellent load capacity and precision, they are perfect for aerospace and medical devices, ensuring reliability in tight spaces.

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R Series Miniature _ Instrumentation Ball Bearings

R Series Miniature/Instrumentation Ball Bearings

R Series Miniature Bearings provide versatility for instrumentation and robotics. Their compact design supports high-speed operations with low friction, making them a reliable choice for precision engineering in challenging environments.

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Comparison Table for the Miniature / Instrumentation Ball Bearings

TypeLoad Capacity (Dynamic/Static)Speed LimitMaterialPrecision & ToleranceNoise & Vibration LevelsDesign VariantsCompatibilityDurability & Lifespan
5mm Ball Bearing1.14 kN / 0.38 kN48,000 RPMHigh-Carbon SteelStandard (Grade 25)LowShielded, OpenGeneral machinery, roboticsHigh
1mm Ball BearingNot specifiedNot specifiedChrome SteelGrade 25LowLoose ballsModel making, precision toolsModerate
Miniature Deep GrooveVaries by sizeHigh-speed capableBearing SteelHighLowOpen, Shielded, SealedMotors, fans, small appliancesHigh
Miniature Thrust BearingsAxial loads onlyModerateStainless SteelHighModerateOpen, SealedAxial load applicationsHigh
Miniature Angular ContactHigh axial and radial loadsHigh-speed capableBearing SteelHighLowSingle or double rowPrecision machinery, roboticsHigh
Miniature Flanged BearingsVaries by sizeHigh-speed capableStainless SteelHighLowFlangedCompact spaces, mounting easeHigh
Miniature Linear BearingsVaries by applicationModerateStainless SteelHighLowOpen, ClosedLinear motion systemsHigh
693zz Miniature BearingNot specifiedHigh-speed capableChrome SteelHighLowShieldedSmall motors, precision devicesHigh
Miniature Ceramic BearingsHighVery highCeramicUltra-highVery lowOpen, SealedAerospace, robotics, medical toolsVery high
Industries We Serve

Top Applications of Miniature / Instrumentation Ball Bearings

Aerospace Components

Support efficiency in aircraft systems, offering lightweight, high-speed, and high-temperature capabilities for precision aerospace applications.

Robotics and Automation

Facilitate accurate positioning and low-friction motion in robotic arms, grippers, and automated systems for enhanced productivity.

Electronics and Gadgets

Optimize operations in small motors, fans, and precision instruments, ensuring durability and reliable performance in compact device designs.

Automotive Industry

Provide critical movement efficiency in small assemblies, such as gearboxes and dashboard components where space-saving and precision are essential.
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Discover the Different Types of Miniature / Instrumentation Ball Bearings

Miniature ball bearings include deep groove, thrust, angular contact, flanged, ceramic, and linear types, each designed for compact, high-precision performance in medical, aerospace, robotics, electronics, and industrial applications.

5mm ball bearing
5mm ball bearing
The 5mm G25 Precision Chrome Steel Ball Bearing is manufactured for exceptional accuracy and extended service life. It also has a rugged construction out of AISI 52100 chrome steel, which enables it to perform optimally in applications that require low friction and smooth motion.
$4.89 - $11.55/ Per Piece
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  • Material: AISI 52100 Chrome Steel

  • Diameter: 5mm (0.19685 inches)

  • Grade: G25 (high precision)

  • Dynamic Load Capacity: 0.468 kN

  • Static Load Capacity: 0.143 kN

  • Speed Limit: Up to 75,000 RPM

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1mm ball bearing
1mm ball bearing
These are our own 1mm ball bearings, made from high-quality stainless or chrome steel for enhanced precision and durability. They are meticulously designed to retain smooth functionality in sensitive machinery. Being categorized as G10 and G100 standard bearings, they are exceptionally efficient in micro mechanics, electronics, or any form of hobbyist work that requires precise execution.
$3.57 - $15.29/ Per Piece
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  • Material: AISI 52100 Chrome Steel

  • Diameter: 1mm

  • Grade: G100 (high precision)

  • Hardness: 60-67 HRC

  • Corrosion Resistance: Requires oiling for protection

  • Weight: Approximately 0.004 grams per ball

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miniature deep groove ball bearings
Miniature deep groove ball bearings
Miniature deep groove ball bearings are multi-functional and offer high precision and accuracy, which makes them suitable for light-duty tasks. They come in sealed, shielded, and open types; all have low friction and high speed capabilities.
$1.08 - $12.79/ Per Piece
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  • Material: Chromium Steel

  • Inner Diameter: 4mm to 10mm (varies by model)

  • Outer Diameter: 12mm to 22mm (varies by model)

  • Dynamic Load Rating: 80N to 2805N

  • Static Load Rating: 23N to 1060N

  • Configurations: Rubber seals, metal shields, or open types

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miniature thrust ball bearings
Miniature thrust ball bearings
Miniature thrust ball bearings are expertly manufactured components made to manage axial loads in small spaces. Low-speed operations that require dependable performance and a high load capacity benefit the most from these bronze thrust bearings. These bearings are composed of highly durable chrome steel and have a low rotational speed.
$1.65 - $5 / Per Piece
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  • Bore Diameter: 2mm to 10mm

  • Outer Diameter: 6mm to 18mm

  • Width: 3mm to 5.5mm

  • Material: Chrome steel with a brass cage

  • Dynamic Thrust Load: Up to 320 lbf

  • Maximum Speed: 4,000 RPM

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miniature angular contact ball bearings
Miniature angular contact ball bearings
Miniature angular contact ball bearings are custom-built to balance axial and radial loads for high-speed applications. These industrious bearings are made from strong materials, such as chrome steel or hybrid ceramic designs, to ensure performance and service life. Their extreme tolerances of precision and reduced size make them useful in aerospace, medical, robotics, CNC machining, and other industries.
$10 - $20/ Per Piece
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  • Bore Diameter: 3mm to 8mm

  • Outer Diameter: 7mm to 22mm

  • Width: 2mm to 7mm

  • Material: Chrome steel or hybrid (steel and ceramic) options

  • Dynamic Radial Load: Up to 755.33 lbf

  • Maximum Speed: Up to 66,000 RPM

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Miniature flanged ball bearings
Miniature flanged ball bearings
Miniature flanged ball bearings are precision parts made to ease the alignment of the housing and eliminate axial movement under thrust loads. This type of bearing has a flange, which increases stability and improves installation in confined spaces. The bearings are made from stainless or chrome steel, ensuring durability and reliability in various environments.
$4 - $43/ Per Piece
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  • Bore Diameter: 0.04" to 0.5" (1mm to 12.7mm)

  • Outer Diameter: 0.125" to 1.125" (3mm to 28.6mm)

  • Width: 0.0469" to 0.3125" (1.2mm to 7.9mm)

  • Material: Stainless steel or chrome steel

  • Dynamic Load Rating: 167 N to 3290 N

  • Maximum Speed: 2,500 to 66,000 RPM (grease/oil lubrication options)

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_miniature linear ball bearings
Miniature linear ball bearings
Miniature linear ball bearings are specifically designed to provide low-friction motion in confined areas. The precise motion characteristics of these bearings make them indispensable for applications in medical device manufacturing, robotics, and laboratory automation. With accuracy, reliability, and repeatability in highly competitive engineering standards, these bearings are designed to perform in demanding applications.
$10 - $50/ Per Piece
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  • Bore Diameter: 2mm to 6mm

  • Outer Diameter: 4mm to 10mm

  • Length: 5mm to 12mm

  • Material: Stainless steel or ceramic balls with brass or steel cage

  • Dynamic Load Capacity: 7 to 19 lbs

  • Maximum Speed: Up to 60,000 RPM

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_693zz Miniature Ball Bearing
693zz Miniature Ball Bearing
The 693ZZ miniature ball bearing is a compact and high-precision solution uniquely designed for applications with demanding space constraints. This bearing features two metal shields to optimize grease retention while minimizing contamination, providing dependable performance under varying loads. Its ideal uses include robotics, medical machinery, office automation equipment, and even hobbyist projects such as RC models.
$1.15 - $4.38/ Per Piece
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  • Bore Diameter: 3mm

  • Outer Diameter: 8mm

  • Width: 4mm

  • Material: Chrome steel with stainless steel shields

  • Dynamic Load Capacity: Up to 107 lbf (474 Newtons)

  • Maximum Speed: 60,000 RPM (grease), 67,000 RPM (oil)

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_miniature ceramic ball bearings
Miniature ceramic ball bearings
Miniature ceramic ball bearings are advanced components due to their unparalleled precision and superior toughness in extreme conditions. Their high-performance characteristics stem from the strength of the ceramic materials used in their construction, including Si3N4 and ZrO2. These bearings outperform others with reduced friction and rotational speed while suffering less from erosion and corrosion.
$6.24 - $21.59/ Per Piece
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  • Bore Diameter: 2mm to 5mm

  • Outer Diameter: 5mm to 13mm

  • Width: 2.5mm to 5mm

  • Material: Si3N4 or ZrO2 ceramic with PTFE or metal cages

  • Dynamic Load Capacity: 11 lbf to 37 lbf

  • Maximum Speed: Up to 85,000 RPM

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why choose our Miniature / Instrumentation Ball Bearings

  • Compact and Space-Saving Design: Miniature ball bearings excel in small-scale applications, reducing overall system size while maintaining high precision and functionality.

  • High-Precision Performance: Engineered for minimal friction, these bearings ensure accurate, efficient operation in sensitive devices requiring reliable motion control.

  • Versatile Applications: Used across industries like robotics, medical equipment, and electronics, they adapt effortlessly to diverse operational needs.

  • Durable and Reliable Materials: Made from premium steel or ceramic, these bearings resist corrosion, withstand heat, and extend device lifespans significantly.

  • Noise and Vibration Reduction: Designed for smooth, quiet movement, they minimize operational noise, making them ideal for precision instruments and sensitive machinery.

why choose our Miniature / Instrumentation Ball Bearings

What Our Client Says

Understand from our clients what they say about doing business with us and the unique value addition we provide.

We sourced Miniature Ball Bearings from this supplier, and their performance in our robotics systems is exceptional. The precision and low friction have improved our efficiency, and their durability ensures long-term reliability. Outstanding quality!
Client Says
Mark Thompson
Engineering Lead
As a procurement manager, I value the Instrumentation Ball Bearings for their precision engineering and cost-effectiveness. They’ve enhanced our medical device production, and the support team was incredibly helpful throughout. Highly recommend!
Client Says
Emily
Procurement Manager

Discover the Power of Miniature / Instrumentation Ball Bearings

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How to Select the Right Miniature Ball Bearing for Your Needs?
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What Is Miniature Ball Bearing?

Miniature ball bearings are small-scale mechanical components designed to reduce friction and support axial and radial loads in precision applications. These bearings are fundamental to a wide array of...

January 13, 2026

Get Miniature / Instrumentation Ball Bearings from Amigo

Experience precision like never before with AMIGO Miniature/Instrumentation Ball Bearings. These robust miniature ball bearings are specifically tailored to ensure compact efficiency in sensitive applications, encompassing robotics and medical devices. Subsequently, enabling smooth and high-speed performance. Furthermore, they also resist corrosion because of the durable materials they are made of. Marked with your specialized needs, AMIGO Ball Bearings can be customized to add additional coatings and lubricants. With AMIGO’s trusted solutions, transform your machinery today. Shop Now!

✅Precision Engineering: AMIGO bearings deliver smooth, accurate, high-speed performance consistently.
✅Compact Efficiency: Their small size optimizes space while maintaining great functionality.
✅Durable Materials: Built with corrosion-resistant, long-lasting materials for enhanced reliability.
✅Versatile Applications: Perfect for robotics, medical, and other sensitive machinery needs.

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