Precision bearings refer to bearings that have reached the precision requirements at the micron level or even the nanometer level through precision machining.
With the continuous progress of technology, the processing requirements for precision bearings are becoming increasingly higher. Especially in industries such as aviation, automobiles and medical equipment, the precision of bearings directly determines the performance and safety of the equipment.
Precision bearings are mainly applied in fields such as aerospace, the automotive industry, medical equipment and high-precision machine tools.
NEWBEE Transmission is a company that specializes in providing precision bearings.Our company has rich experience in the bearing industry for over ten years.We can provide precision bearings of various types, such as thin-section bearings, YRT turntable bearings, slewing bearings, crossed roller bearings, mill bearings and solid oil bearings.Our bearings are mainly exported to many countries at home and abroad, such as those in Europe, North America, Southeast Asia, the Middle East and Africa.
Our sunflower-type bearing cages feature a patented petal-shaped design that revolutionizes bearing performance in extreme operating conditions. These precision components are engineered for aerospace, high-performance machinery, and precision instru......
Tapered roller bearing cages achieve precise roller guidance, combined load bearing, and improved lubrication efficiency through optimized structure and material selection, adapting to heavy-load working conditions in multiple fields and extending be......
The wind turbine bearing cage adopts a domestically innovative design and proprietary surface treatment technology. Through material innovation and precision manufacturing processes, it enables stable operation of wind turbine bearings under complex ......
CV joint bearing cages adopt a precision cavity structure, achieving uniform load distribution under constant velocity transmission by optimizing the ball contact trajectory. Their multi-directional adaptive design and high-precision machining proces......
Our spherical roller bearing cages are precision-engineered to automatically compensate for shaft misalignment while maintaining optimal roller positioning. Designed for the most demanding industrial applications including mining equipment, paper mac......
The E-type cage utilizes symmetrical spherical rollers and a two-piece hardened steel stamped design. A center guide ring ensures smooth roller movement, increasing dynamic load capacity (20%-35%) while reducing friction losses. Suitable for multi-di......
The micro bearing cage is engineered to maintain precise alignment of miniature rolling elements in extremely confined spaces. Its high-accuracy construction ensures smooth operation while minimizing mass and inertia—critical for micro-mechanical sys......
The needle roller bearing cage ensures proper alignment and spacing of needle rollers, preventing friction and wear while optimizing load distribution. Its lightweight and durable construction makes it suitable for high-load, high-speed applications ......
With integrated raceway and orthogonal roller arrangement, CSF bearings achieve full-dimensional load capacity within 6-10mm ultra-thin space, delivering zero-hysteresis power transmission for harmonic drives....
A spindle bearing is a high-precision, specialized ball bearing designed for the central rotating shaft (spindle) in machine tools and other equipment, allowing it to spin at extremely high speeds with exceptional accuracy, rigidity, and smooth movem......
Crossed Tapered Roller Bearings are designed to handle high overturning moments and complex combined loads, making them the ideal solution for high-performance applications like robotics, precision rotary tables, and machine tools....
Double row cylindrical roller bearings are separable bearings, allowing for easy assembly and disassembly. They feature a compact structure, high rigidity, and large load-bearing capacity with minimal deformation under load. Available in cylindrical ......
CRBC crossed roller bearings are a type of high-precision bearing (often from brands like IKO) featuring cylindrical rollers arranged perpendicularly (crossed) for high rigidity, compact size, and the ability to handle loads in all directions (radial......
A CRBF crossed roller bearing is a high-rigidity, compact bearing with rollers arranged at 90° angles, featuring integrated mounting holes in its inner and outer rings for easy bolting, enabling high accuracy and stiffness in small spaces for applic......
A CRBT crossed roller bearing is an ultra-compact, lightweight, and high-rigidity bearing with cylindrical rollers arranged perpendicularly (crossed) between inner and outer rings, designed for precision motion in space-constrained machines like robo......
A CRBS crossed roller bearing is a high-precision, compact bearing with rollers arranged at right angles, allowing it to handle radial, thrust, and moment loads simultaneously, making it ideal for robotics and precision machinery needing high rigidit......
An SX crossed roller bearing is a high-precision, compact bearing with a split outer ring and an integral inner ring, featuring cylindrical rollers arranged in an 'X' pattern (90° to each other) to support heavy radial, axial, and moment loads simult......
An XR/JXR Cross Tapered Roller Bearing is a high-precision, compact bearing using tapered rollers arranged perpendicularly (crossed at 90°) within inner and outer rings, allowing it to handle heavy radial, axial, and overturning moment loads simultan......
A thin section bearing is a high-precision ball bearing with a significantly smaller cross-section relative to its large bore diameter, allowing for compact, lightweight designs in space-constrained applications like robotics, aerospace, and medical ......
A Single Row Cylindrical Roller Bearing is a type of radial bearing using cylindrical rollers for high-capacity radial loads, featuring a single row of rollers between inner and outer rings, often with flanges for some axial guidance, designed for hi......
Our company has a professional design team composed of CAD senior engineers, SolidWorks senior engineers and others. According to customers' requirements, we can achieve seamless connection from 2D drawing to 3D model construction and virtual assembly of bearing products.
NEWBEE Transmission is a company with modern production workshops. Our company is equipped with professional production equipment such as CNC machining centers, grinding machines, milling machines, external diameter gear grinding machines, CNC drilling machines, quenching machines and dust-free assembly rooms, providing customers with one-stop precision bearing production solutions.
NEWBEE Transmission is a company equipped with a professional inspection system. Our company has professional equipment including roughness profilometers, contact angle measuring instruments, metallographic laboratories, friction torque measuring instruments, roundness measuring instruments. In addition, we have a quality inspection team composed of dozens of members who graduated from colleges and universities and possess professional skills.
Our factory boasts remarkable logistics capabilities. We've partnered with numerous reliable shipping firms for domestic and international deliveries. Our in - house team, well - versed in shipping procedures, ensures seamless operations. With advanced logistics software, we offer real - time order tracking. Plus, our large, well - laid - out warehouse boosts efficiency.
How to customize precision bearings?
1. Requirement Control: Based on your requirements for bearings, including key parameters such as load type, speed range, operating temperature and environment, accuracy class, lifespan requirements, and special needs,we will provide you with professional solutions.
2. Design and R&D: As a core link, we use CAD modeling tools to optimize the internal geometric structure, verify the design reliability through finite element analysis and material mechanics calculations,and select appropriate lubrication schemes to enhance the theoretical performance of the bearings.
3. Production and Manufacturing: According to your requirements for precision bearings, we select suitable materials and conduct appropriate heat treatment.Advanced technologies are applied during the processing to ensure high precision, and the assembly is carried out in a clean workshop to ensure product quality.
4. Quality Inspection: A variety of professional equipment and methods are used to comprehensively inspect the geometric accuracy, dynamic performance, and material quality to ensure that the products meet international standards or specific customer specifications.
5. Delivery Service: We provide high - quality packaging and transportation, offer installation and maintenance guidance, establish a quality traceability system, and conduct failure analysis in a timely manner. We ensure high - quality delivery to meet your performance requirements for high reliability, long lifespan, and extreme working conditions.
In industrial robotics, thin section bearings are crucial for joint parts, offering high precision and flexibility.Their compact design allows for reliable support in limited spaces, bearing radial an...
Thin-section bearings play a crucial role in the precision positioning of semiconductor manufacturing equipment, ensuring high-precision patterning. They enable high-speed and stable operation during ...
Cross Roller Bearing play a critical role in aircraft landing gear systems, handling high impact forces and ensuring smooth operation during landing, takeoff, and taxiing. In aircraft engines componen...
Wind Turbines: In large-scale wind power generating units, slewing bearings are used to support the nacelle and the impeller. They bear various loads under the action of strong winds. Their reliabilit...
What is Precision Bearing?
Precision bearings are specialized rotational components engineered to provide exceptional running accuracy, superior dimensional stability, and precise operational characteristics under demanding conditions. Unlike standard bearings, precision bearings are manufactured to extremely tight tolerances and undergo rigorous quality control processes to ensure consistent performance in critical applications.
These high-precision components are characterized by their exceptional geometric accuracy, minimal runout, and controlled rotational dynamics. The manufacturing process involves advanced grinding techniques, specialized heat treatment, and meticulous assembly procedures to achieve the required precision levels. Precision bearings are typically classified by international tolerance grades such as ABEC (Annular Bearing Engineering Committee) in the US or ISO standards globally, with grades ranging from ABEC 1 (standard precision) to ABEC 9 (ultra-precision) and beyond for specialized applications.
The fundamental difference between precision bearings and conventional bearings lies in their manufacturing precision, material quality, and performance consistency. While standard bearings may have tolerances measured in hundredths of a millimeter, precision bearings maintain tolerances within microns, making them essential for applications where even minimal deflection or vibration is unacceptable.
The Feature of Precision Bearings
Precision bearings exhibit several distinctive characteristics that make them indispensable in advanced mechanical systems:
Exceptional Accuracy and Low Runout: Precision bearings maintain extremely tight dimensional tolerances, typically within microns. This ensures minimal radial and axial runout, crucial for applications requiring precise positioning and smooth rotation.
High Speed Capability: Designed with optimized internal geometries and premium materials, precision bearings can operate at significantly higher speeds than standard bearings while maintaining stability and generating less heat.
Superior Rigidity: The precise manufacturing and often preloaded design of precision bearings provide high stiffness, reducing deflection under load and maintaining system accuracy during operation.
Low Noise and Vibration: Through careful control of surface finish, geometry, and assembly techniques, precision bearings operate with significantly reduced noise and vibration levels compared to standard bearings.
Enhanced Durability and Life Expectancy: Made from high-grade bearing steel or specialized materials like ceramic, and manufactured with superior processes, precision bearings offer extended service life even under demanding operating conditions.
Thermal Stability: Precision bearings maintain their dimensional accuracy and performance characteristics across a wide temperature range, making them suitable for applications subject to thermal variations.
The Application of Precision Bearings
Precision bearings serve as critical components across numerous high-technology industries:
Machine Tool Industry: In CNC machining centers, lathes, and grinding machines, precision bearings are used in spindles, ball screws, and rotary tables to ensure machining accuracy, surface finish quality, and dimensional consistency of manufactured parts.
Aerospace and Defense: Aircraft control systems, helicopter rotor assemblies, jet engine components, satellite mechanisms, and guidance systems all rely on precision bearings for reliable operation under extreme conditions.
Medical Equipment: High-speed dental handpieces, CT scanner gantries, MRI machines, surgical robots, and laboratory equipment utilize precision bearings for smooth, accurate, and reliable performance where patient safety is paramount.
Robotics and Automation: Industrial robots, collaborative robots (cobots), and automated manufacturing equipment employ precision bearings in joints, actuators, and positioning systems to ensure precise movement and repeatability.
Semiconductor Manufacturing: Wafer handling robots, stepper motors, and precision stages in chip manufacturing equipment require the utmost precision and cleanliness provided by specialized precision bearings.
Optical and Instrumentation Systems: Precision bearings enable accurate positioning in telescope mounts, laser scanning systems, measuring instruments, and surveillance equipment where minimal vibration and precise movement are critical.
How to Choose Precision Bearings?
Selecting the appropriate precision bearing requires careful consideration of multiple factors:
Accuracy Requirements: Determine the necessary precision grade based on application requirements. ABEC 3/5 suits most industrial applications, while ABEC 7/9 is reserved for ultra-precision applications like machine tool spindles or medical equipment.
Load Conditions: Analyze the magnitude and direction of loads (radial, axial, or combined). Choose bearing types accordingly – angular contact bearings for combined loads, cylindrical rollers for high radial loads, and thrust bearings for pure axial loads.
Speed Capability: Consider the operational speed range. High-speed applications require bearings with special internal designs, cage materials, and potentially hybrid ceramic construction.
Operating Environment: Evaluate temperature extremes, presence of contaminants, potential corrosion, and lubrication requirements. Special seals, coatings, or materials may be necessary for harsh environments.
Preload and Rigidity Requirements: Determine if preloaded bearing arrangements are needed to eliminate internal clearance and increase system stiffness for applications requiring high positioning accuracy.
Mounting and Installation Considerations: Assess the complexity of installation, available space, and required accessories. Proper installation is critical to maintaining bearing precision and achieving expected service life.
The Price of Precision Bearings
The cost of precision bearings varies significantly based on multiple factors:
Precision Grade: Higher precision grades (ABEC 7/9) command premium prices due to more stringent manufacturing requirements and extensive quality control processes.
Bearing Type and Size: Specialized bearing types like crossed roller bearings, thin-section bearings, or large-diameter bearings are more expensive than standard deep groove ball bearings of comparable size.
Material and Construction: Bearings made from specialty steels, stainless steels, or hybrid ceramics with silicon nitride balls cost significantly more than standard chrome steel versions.
Quantity and Availability: Volume pricing typically applies for larger quantities, while small quantities of specialized bearings carry higher unit costs due to setup and manufacturing overhead.
Brand and Quality: Established manufacturers with proven track records in precision bearing manufacturing typically price their products higher, reflecting their expertise, quality assurance, and technical support.
Additional Features: Special seals, coatings, lubricants, or custom modifications add to the base cost of precision bearings.
As a general guideline, precision bearings can range from 1.5 to 10 times the cost of standard bearings of similar size, with ultra-precision and specialized designs reaching even higher price points.
Precision Bearings Manufacturer
NewBee Transmission has established strategic partnerships with leading precision bearing manufacturers to provide customers with comprehensive bearing solutions. Our technical team possesses extensive experience in bearing selection, application engineering, and troubleshooting, ensuring optimal bearing performance in diverse applications.
When selecting a precision bearing supplier, consider their technical expertise, product range, quality certifications, and after-sales support. A reliable supplier provides not just products but complete solutions, including technical consultation, custom engineering services, and responsive customer support.
At NewBee Transmission, we understand that precision bearings are critical components in your systems. Our commitment extends beyond product delivery to ensuring your success through proper bearing selection, application support, and timely service. Contact our technical team to discuss how our precision bearing solutions can enhance your equipment performance and reliability.
NewBee Machinery provides high quality shaft, bearing, gears, CNC machines and other customized mining machinery.
NewBee Machinery has 20 years’ experience in customize machinery parts.
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We have advanced large CNC centner and processing equipment.
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