NBAA Bearing is a professional manufacturer of ball bearings integrating R&D, production and export. We mainly manufacture deep groove ball bearings, taper roller bearings, wheel hub bearings, spherical roller bearing, cylindrical roller bearing, etc. Our company has obtained ISO9001, CE certification and supports customization.
Model NO.608ZZ 608RS 625ZZ 688ZZ MR105ZZ 626ZZ 6800ZZ Type: Ball Bearing Deep Groove Number of Row:
Deep groove ball bearing MR83ZZ 3*8*3ZZ ,MR83 Open 3*8*3 no cup,gcr15 bearing steel ,0.005
Deep groove ball bearing P5 high precision + -5μGood grade Z3 Z4 low noise high speedGCR15 material
Deep groove structure ,single row nylon stage include with steel balls, cover two metal stainless
Micro motors with typical mini bearings,they are widely used radial bearings,also can carry much
Deep groove ball bearingInner diameter：6mmOutside diameter：15mmThickness：5mmRunning at 20000 rpmZZ
Miniature 683 bearings are small-sized ball bearings with an inner diameter of 3mm, an outer
high speed no noise size 3*8*4（mm）,the lever of grade Z3V3 ,and precision ABEC-5 ,can used in motor
Single Row Ball Bearing; 3MM Bore; 6MM Outside Diameter; 2.5MM Outer Race Width; 2 Metal
Various Types
It mainly produces deep groove ball bearings, tapered roller bearings, hub bearings, spherical roller bearings, cylindrical roller bearings, etc.
Quality Assurance
All steel materials we use must be inspected by professional QC. We inspect products strictly according to standards before shipment.
Rich Experience
We have more than 15 years of manufacturing and production experience, have an independent assembly room, and accept OEM&ODM services. Provide free samples.
Timely Delivery
Strictly plan the production schedule and timely delivery. Regular large orders are delivered within 5-20 days.
What is Miniature Bearing？
A miniature bearing, also known as a mini bearing, is a small-sized rolling ball bearing designed to meet specific size requirements. These bearings are typically used in applications where space is limited or where precise movement is required. Miniature bearings are commonly found in industries such as robotics, medical equipment, precision instruments, and small motors.
Miniature bearings are available in various sizes, ranging from a few millimeters in outer diameter to a few centimeters. They are designed to handle relatively light loads and low-speed applications. The inner and outer raceways, rolling balls, and cage in miniature bearings are proportionally smaller compared to standard-sized bearings.
Feature Of Miniature Bearing
1.Small size: Miniature bearings are designed to be compact and have smaller dimensions compared to standard-sized bearings. This makes them suitable for applications where space is limited.
2.Low friction: Miniature bearings are designed to minimize friction and provide smooth operation. This helps to reduce energy consumption and increase efficiency.
3.Precision performance: Miniature bearings are manufactured with high precision to ensure accurate and reliable performance. They can handle precise movements and provide smooth rotation.
4.Light load capacity: Due to their small size, miniature bearings typically have a lower load capacity compared to standard-sized bearings. They are suitable for applications with light loads and low torque requirements.
5.High-speed capability: Miniature bearings are capable of operating at high speeds, making them suitable for applications that require rapid rotation or oscillation.
6.Corrosion resistance: Many miniature bearings are made from materials such as stainless steel or chrome steel, which offer excellent corrosion resistance. This makes them suitable for use in harsh environments or applications where exposure to moisture or chemicals is a concern.
7.Low noise and vibration: Miniature bearings are designed to minimize noise and vibration during operation, ensuring smooth and quiet performance.
8.Sealed options: Miniature bearings are available in sealed versions, which provide additional protection against contamination and retain lubricant for longer service life.
9.Wide range of options: Miniature bearings come in various types and configurations, including deep groove ball bearings, angular contact ball bearings, and thrust bearings. This allows for versatility in choosing the appropriate bearing for different applications.
10.Easy installation and maintenance: Miniature bearings are typically easy to install and maintain. They often require minimal lubrication and can be readily replaced if needed.
Miniature bearings, also known as instrument bearings or micro bearings, have several advantages. Here are a few key benefits:
Miniature bearings are designed to be small in size, making them suitable for applications where space is limited. They are commonly used in industries such as robotics, aerospace, medical devices, and electronics.
Miniature bearings are manufactured with high precision, allowing them to operate at high speeds without compromising performance. They can handle rotational speeds of tens of thousands of revolutions per minute (RPM).
These bearings are designed to reduce friction, resulting in smooth and efficient operation. Their low friction characteristics help minimize energy consumption, making them ideal for applications that require energy efficiency.
Despite their small size, miniature bearings are built to withstand heavy loads and offer good durability. They are often made from high-quality materials like stainless steel or chrome steel, ensuring a long lifespan and resistance to corrosion.
Miniature bearings come in various configurations, including open, shielded, and sealed options. This versatility allows them to be used in a wide range of applications, from small motors and fan systems to dental tools and scientific instruments.
Robotic
Miniature bearings are widely used in robotics for precise movement and positioning of robot arms, joints, and mechanisms. They enable smooth rotation and efficient power transmission in robotic systems.
Aerospace and Aviation
Due to their compact size and high-speed capabilities, miniature bearings are used in aerospace applications, including aircraft actuators, navigation systems, control surfaces, and satellite mechanisms.
Medical Equipment
Miniature bearings are essential components in medical devices such as surgical instruments, dental tools, prosthetics, and diagnostic equipment. Their precision and reliability are crucial for accurate and safe operation.
Electronics and Computer Hardware
They are found in computer hard drives, printers, scanners, CD/DVD drives, electric motors, fans, and other electronic devices. Miniature bearings facilitate the smooth rotation of shafts and reduce friction in these systems.
Automotive Industry
Miniature bearings are utilized in automotive applications like power windows, seat adjustments, HVAC systems, steering columns, and engine components. They provide durability and smooth operation in tight spaces.
Precision Instruments
They are used in scientific instruments, optical devices, measuring tools, and laboratory equipment that require precise motion control and low friction. Examples include microscopes, spectroscopes, and surveying instruments.
Craftsmanship Of Miniature Bearing
Material Selection
High-quality materials are crucial for miniature bearings. Common materials used include stainless steel, chrome steel, ceramic, and various engineering plastics. The choice of material depends on factors such as load capacity, speed requirements, corrosion resistance, and environmental conditions.
Precision Machining
Miniature bearings require precise machining techniques to achieve the desired dimensions and tolerances. Advanced CNC (Computer Numerical Control) machines are used to ensure accuracy in creating the inner and outer raceways, balls, and cages of the bearings.
Heat Treatment
Heat treatment processes such as hardening and tempering are employed to enhance the hardness and strength of the bearing components. This improves their resistance to wear, fatigue, and deformation, ensuring durability and longevity.
Assembly and Lubrication
During assembly, the various components of the bearing, including the inner and outer rings, balls, and cage, are carefully fitted together. Proper lubrication is essential to reduce friction and prevent premature wear. Lubricants like grease or oil are applied to ensure smooth operation and protect against corrosion.
Quality Control
Stringent quality control measures are implemented throughout the manufacturing process. This involves inspections, measurements, and testing to ensure that the bearings meet specific standards and performance criteria. Quality control checks may include dimensional accuracy, surface finish, noise level, rotational smoothness, and load-carrying capacity.
Customization
Manufacturers often offer customization options for miniature bearings to meet specific application requirements. This includes variations in size, material, sealing options (open, shielded, sealed), and special features like flanges or extended inner rings.
Q: What is a miniature bearing
Q: What are the main components of a miniature bearing?
Q: What sizes are available for miniature bearings?
Q: What materials are used in miniature bearings?
Q: What are the advantages of stainless steel miniature bearings?
Q: What are the advantages of ceramic miniature bearings?
Q: What are the advantages of shielded miniature bearings?
Q: What are the advantages of sealed miniature bearings?
Q: How do miniature bearings differ from standard bearings?
Q: What are the speed capabilities of miniature bearings?
Q: What is the smallest size of bearing?
Q: What size are mini ball bearings?
Q: What are small bearings used for?
Q: Which is better RS or ZZ bearing?
Q: Can miniature bearings be customized?
Q: How long do miniature bearings typically last?
Q: How can I maintain miniature bearings?
Q: Can miniature bearings be replaced easily?
Q: How are miniature bearings lubricated?
Q: Can miniature bearings be used in high-temperature applications?