China Beining Intelligent Technology (Zhejiang) Co., Ltd Company News

Precision angular contact bearings are essential components in high-speed, high-accuracy machinery such as CNC machine tool spindles, motors, and precision equipment. At Beining Technology, we use advanced materials to ensure our bearings deliver long life, high reliability, and excellent performance under tough conditions. 1. Core Material: High-Carbon Chromium Bearing Steel Most of our angular contact bearings (including rings and rolling elements) are made from high-carbon chromium steel, known for its excellent hardness, wear resistance, and fatigue strength. Common Grades: GCr15 (China) SUJ2 (Japan) AISI 52100 (USA) Key Features: Hardness after heat treatment: HRC 60–65 Strong wear resistance for longer service life High purity through vacuum melting or electroslag remelting (impurities ≤0.005%) Widely used in standard applications like machine tool spindles and motors 2. Specialized Materials for Extreme Conditions To meet the needs of harsh environments, we also offer bearings made from specialized materials:  Case-Hardened Steel (e.g., 20Cr2Ni4) Surface hardness: HRC 58–62 Durable surface with a strong, impact-resistant core Ideal for aerospace and heavy machinery  Stainless Bearing Steel (e.g., 9Cr18Mo) Contains ~18% chromium for excellent corrosion resistance Suitable for medical devices, marine equipment, and food processing machines  High-Temperature Steel (e.g., Cr4Mo4V) Maintains hardness (≥HRC 50) at temperatures up to 500°C Used in industrial furnaces and aerospace systems  Ceramic Materials (Si₃N₄ or ZrO₂) 40% lighter than steel – ideal for high-speed applications Electrically insulating – prevents electrical erosion in motors Resists extreme temperatures and corrosion Often used in ultra-precision (P2-grade) bearings and semiconductor manufacturing Exotic Alloys (Inconel 718, Titanium TC4) Designed for ultra-high-temperature (>500°C) or lightweight aerospace applications 3. Quality & Precision Processing We ensure every bearing meets strict quality standards: Material Purity: Oxygen content ≤10 ppm to reduce fatigue failure Heat Treatment: Advanced quenching and tempering for uniform hardness and stability Surface Finish: Rolling surfaces polished to Ra ≤0.05 μm for smooth operation Dimensional Accuracy: Roundness tolerance ≤2–5 μm for P4/P2 grade bearings Why Choose Beining Technology? At Beining, we combine material science with precision engineering to deliver top-quality bearings: Custom Solutions: From GCr15 to ceramic hybrids, we tailor materials to your needs Advanced Manufacturing: Vacuum melting, forging, and cryogenic treatments improve performance Strict Testing: Ultrasonic inspection and fatigue testing ensure global quality standards Conclusion Whether you need standard high-carbon chromium bearings or specialized materials for extreme conditions, Beining Technology has the right solution. Explore our range of angular contact bearings designed for performance, durability, and precision. If you have questions,or need more information,please feel free to contact us.Thanks.

Lathe spindle bearings, usually angular contact ball bearings, play a key role in ensuring machining accuracy and machine tool stability. At Beining Technology, we follow strict quality standards to provide high-precision bearings. Below is a simple guide for checking spindle bearing precision using basic tools, in line with general industry practices. Tools Required Lever-type dial gauge (0.001mm resolution) Magnetic base Three 100mm precision gauge blocks Granite surface plate (flatness ≤0.005mm) 100×100×20mm parallel block Step-by-Step Inspection Process 1. Preparation Clean all tools thoroughly. Remove dust or dirt from the surface plate, gauge blocks, magnetic base, and parallel block. Place the three gauge blocks evenly around the granite plate at 120° intervals. 2. Bearing Setup Clean the angular contact ball bearing and place it on the gauge blocks with the outer ring facing up. Make sure the bearing rotates freely and the raceways are clean. 3. Outer Ring Measurement Mount the magnetic base on the parallel block. Position the dial gauge so that the tip touches the lower face of the outer ring. Press in about 0.04mm and record the reading (for example, 0.14mm). Move the setup inward and measure the lower face of the inner ring. Record this value (for example, 0.00mm). Find the difference X = outer ring reading – inner ring reading. 4. Inner Ring Measurement Flip the dial gauge so it touches the upper face of the outer ring. Press in 0.04mm and record the reading. Then move the gauge to the upper face of the inner ring and record the value. Find the difference Y = outer ring reading – inner ring reading. 5. Multi-Point Verification Repeat steps 3 and 4 at four different positions around the bearing to get consistent results. Acceptance Criteria Differences of 0.01–0.02mm or less are considered high precision. Larger differences suggest poor quality. Why Choose Our Lathe Spindle Bearings? At Beining Technology, our angular contact ball bearings meet and exceed common precision grades (P0, P6, P5, P4, P2). We offer: High accuracy: Strict testing ensures minimal runout Custom options: Bearings designed for your specific CNC lathe Long life: Made from high-chrome steel Consistent performance: Precise machining and strong sealing to resist dust and moisture Applications Our bearings are widely used in: CNC lathes and machining centers High-speed spindles Robotics and precision tools Make sure your machines run at their best. Partner with Beining Technology for precision, reliability, and value you can trust.

Ball bearings are essential components in modern machinery enabling smooth rotation and reducing friction across a wide range of applications from household appliances to industrial equipment Let’s explore their structure key benefits and why they’re the smart choice for your mechanical needs 1 Core Structure of Ball Bearings Ball bearings consist of four main components with optional additions depending on specific requirements Inner and Outer Rings Races The inner ring is mounted on the rotating shaft The outer ring is fixed within the housing or frame Both rings feature precisely machined raceways that guide the rolling elements Rolling Elements Balls Typically made from high-chromium steel AISI 52100 standard Hardened surface 61–65 HRC ensures durability and efficient load transmission Cage Retainer Keeps the balls evenly spaced to prevent contact and ensure stable operation Usually constructed from metal or high-performance polymers like PTFE Optional Add-ons Shields or seals can be added to protect against dust moisture and lubricant loss 2 Key Advantages of Ball Bearings Low Friction High Efficiency Rolling motion significantly reduces friction compared to sliding systems Ideal for high-speed applications such as motors turbines and fans Precision and Stability Minimal radial play and adjustable axial preload allow for high rotational accuracy Essential for precision tools robotics and CNC machines Versatile Load Capacity Capable of handling radial axial or combined loads Suitable for diverse applications including conveyors automotive transmissions and pumps Durability and Longevity Sealed designs offer excellent protection against contaminants Extend service life even in harsh environments Easy Installation and Maintenance Tolerant of minor misalignment simplifying assembly Sealed units reduce the need for frequent lubrication ideal for low-maintenance systems Cost-Effective Standardization Mass-produced to international standards Affordable and widely available ensuring easy replacement and interchangeability 3 Common Applications Ball bearings are used across a wide variety of industries and applications Industry Application Examples Automotive Wheel hubs transmissions alternators Industrial Machinery Pumps compressors conveyor systems CNC machines Consumer Electronics Fans hard drives power tools Aerospace Gyroscopes actuators landing gear Robotics Joints servo motors linear guides Why Choose Our Ball Bearings At Beining Intelligent Technology(Zhejiang)Co.,Ltd. we specialize in delivering high-quality ball bearings engineered for performance and reliability High-Quality Materials Made from AISI 52100 steel for superior hardness and wear resistance Advanced Sealing Solutions Customizable shields and seals for enhanced protection Rigorous Testing Each bearing undergoes strict quality checks to ensure consistent performance Global Standards Compliance Interchangeable with leading global brands Whether you need standard or custom-designed bearings our products help you achieve greater efficiency longer service life and reduced downtime Explore Our Range Today Experience the difference in quality performance and service with Beining Intelligent Technology Contact us now for samples customized solutions or more information  

Oil pump motors are crucial for hydraulic systems, but when the bearings keep failing, it can lead to costly downtime. Here’s a simple explanation of why bearing failures happen — and how you can prevent them. Common Causes of Bearing Failure Poor Installation Hammering or forcing bearings into place can damage them from the start. Fix: Always use proper tools and make sure bearings are properly aligned during installation. Wrong or Bad Lubrication Low-quality grease or not greasing enough causes friction and overheating. Fix: Use high-temperature grease and re-lubricate every 3–6 months. Choosing the Wrong Bearing Bearings not designed for your motor’s load or speed will wear out quickly. Fix: Choose a bearing that matches your motor’s requirements. Ask your supplier for help if needed. Electrical Damage Motors with variable speeds can pass electric currents through the bearings, causing small pits and early failure. Fix: Install insulated or ceramic bearings to block these currents. Vibration or Misalignment Misaligned shafts or unbalanced parts cause unnecessary stress on bearings. Fix: Regularly check and adjust alignment. Easy Solutions to Prevent Failures Install Correctly Train staff to avoid hitting the bearings. Use induction heating tools for correct fitting. Lubricate Properly Fill the bearing housing 50–70% with grease. Make sure no dirt or water gets into the grease. Upgrade Your Bearings For high temperatures: use stainless steel or ceramic-coated bearings. For heavy loads: choose tapered roller bearings. Prevent Electrical Damage Use grounding devices or insulated bearings to protect against current damage. Perform Regular Maintenance Listen for unusual sounds — grinding may mean poor lubrication, humming could signal misalignment. Replace worn bearings before they cause bigger problems. What to Do If a Bearing Fails 1. Stop the motor immediately to avoid further damage. 2. Inspect the bearing: Scratches or dents usually point to installation issues. Discoloration or melted grease suggests overheating. 3.Replace the bearing with a better one and fix the root cause — such as improving lubrication or alignment. If you need help choosing the right bearings or solving recurring issues, our team is here for you. Beining Intelligent Technology (Zhejiang) Co.,Ltd Contact us today to keep your motors running smoothly!

High-temperature bearings are essential in extreme environments such as metallurgy, aerospace, and chemical processing. Choosing between 500°C and 1000°C bearings depends on the operating conditions and performance requirements. 1. Material Differences Bearing Type Materials Used Temperature Range 500°C Bearings Graphite-based (carbon-grade, electro-graphitized) Up to 500°C (light load), up to 1000°C in vacuum/inert gas 1000°C Bearings Advanced ceramics (e.g., silicon nitride, zirconia), special alloys Up to 1000°C or higher  2. Performance Comparison Feature 500°C Bearings 1000°C Bearings Max Temp Up to 500°C Up to 1000°C+ Lubrication Needed Yes – high-temp grease required No – self-lubricating properties Load Capacity ~1.4x standard bearings Excellent thermal stress resistance Lifespan ~5x standard bearings Optimized for extreme conditions Key Notes: 500°C bearings require regular lubrication to avoid wear. 1000°C bearings rely on advanced materials for maintenance-free, long-term performance.  3. Typical Applications Bearing Type Common Uses 500°C Bearings Furnaces, steel mills, glass production, paint-drying equipment 1000°C Bearings Aerospace engines, nuclear reactors, molten metal processing, high-temp furnaces 4. Cost & Maintenance Factor 500°C Bearings 1000°C Bearings Initial Cost Lower Higher Maintenance Regular grease replacement needed Minimal to no maintenance Long-Term Value Good for moderate heat Better ROI in extreme conditions  Choosing the Right Bearing For temperatures below 500°C: Graphite-based bearings offer excellent cost-performance balance. For temperatures above 500°C: Ceramic or alloy bearings ensure durability, safety, and reduced downtime.   Need Expert Advice? If you're unsure which bearing is best suited for your application, our team can help you choose the right solution based on your operating conditions, budget, and performance needs.

Ceramic bearings are changing the way modern machines work. They offer big advantages over traditional steel bearings, making them perfect for tough environments and high-performance applications. Key Benefits: ✅ Stronger Load Capacity Ceramic materials are twice as hard as steel, so they can handle heavier loads. ✅ High Heat Resistance They stay stable even at very high temperatures (up to 800°C). ✅ Faster Speeds Up to 30% faster than steel bearings, with less heat and friction. ✅ Lightweight Design 30–40% lighter than steel, which helps reduce wear and energy use. ✅ Corrosion Resistant Resist rust and chemicals — ideal for harsh environments. ✅ Low Friction & Energy Efficient Smooth surfaces cut friction by up to 40%, saving energy and reducing heat. ✅ Electrically Insulating Perfect for motors and electronics where electrical damage is a risk. ✅ Long-Lasting Double the wear resistance means fewer replacements and repairs. Where They’re Used:   Aerospace Turbine Engines: Enhanced performance and reliability in extreme conditions. Landing Gear Systems: Superior durability and load-bearing capacity. Medical Surgical Tools: Precision and sterility for critical operations. MRI Scanners: Non-magnetic and electrically insulating properties ensure accurate imaging. Energy Wind Turbines: High-speed performance and extended service life in harsh environments. Nuclear Reactors: Corrosion resistance and stability under extreme temperatures. Automotive Hybrid/Electric Vehicle Drivetrains: Lightweight design reduces energy consumption and increases efficiency. Semiconductor Wafer-handling Robots: Ultra-low friction and precision for delicate operations. Cleanroom Equipment: Resistant to contaminants and chemicals, ensuring a controlled environment. Upgrade Your Equipment with Ceramic Bearings At Beining Intelligent Technology (Zhejiang) Co.,Ltd, we offer high-quality ceramic bearings designed for performance, durability, and reliability. Whether you're building or upgrading precision machinery, our team can help you find the right solution. Contact us today to learn more!  

(A Comprehensive Guide for Optimal Performance and Longevity) The spindle bearings of CNC lathes are critical components that directly impact machining accuracy, operational efficiency, and equipment lifespan. Selecting the appropriate lubrication oil is essential to ensure smooth operation, minimize wear, and maintain precision. Based on industry standards and technical expertise, here are the key factors to consider when choosing lubrication oil for CNC lathe spindle bearings. 1. Optimal Viscosity and Viscosity-Temperature Performance Viscosity is the most important property of lubrication oil. It determines the oil’s ability to form a protective film and adapt to various operating conditions: High-speed spindles require low-viscosity oils (e.g., ISO VG32) to reduce friction and heat generation. Low-speed, heavy-load spindles demand higher-viscosity oils (e.g., ISO VG46 or VG68) to ensure sufficient load-carrying capacity. Prioritize oils with excellent viscosity-temperature stability to maintain consistent performance under temperature fluctuations. 2. Superior Lubrication Performance The lubrication oil must form a durable, uniform oil film to protect bearing surfaces from wear: Choose oils containing extreme pressure (EP) additives to enhance load-carrying capacity under high-stress conditions. Ensure a low friction coefficient to minimize heat buildup, which can cause thermal expansion and affect machining accuracy. 3. Oxidation Resistance and Thermal Stability Spindle bearings operate in high-temperature environments, accelerating oil oxidation. High-quality oils should: Resist oxidation to prevent sludge formation and acid generation. Maintain stability during long-term use, extending oil change intervals and reducing maintenance costs. 4. Anti-Foaming Properties Foaming in lubrication systems reduces heat dissipation efficiency and increases wear risks: Select oils with effective anti-foaming agents to suppress foam formation during high-speed circulation. Ensure rapid air release to maintain uninterrupted lubrication. 5. Rust and Corrosion Protection Moisture from coolants or ambient humidity can damage metal surfaces. Opt for oils that: Contain rust inhibitors to form a protective barrier on bearing surfaces. Neutralize acidic byproducts caused by oxidation or contamination. 6. Compatibility with Seals and Materials Incompatible oils can degrade seals, leading to leaks and contamination: Verify compatibility with common elastomers used in spindle seals (e.g., nitrile, Viton). Avoid oils that may cause seal swelling, hardening, or cracking. 7. Operating Temperature Range Match the oil’s performance to your CNC lathe’s thermal conditions: For high-temperature applications, use synthetic oils with high thermal stability (e.g., polyalphaolefins). In low-temperature environments, ensure oils retain fluidity for easy startup and effective lubrication. 8. Follow Manufacturer Recommendations Always consult your CNC lathe’s manual for viscosity grades and specifications. For example: Common recommendations include ISO VG32, VG46, or specialty synthetic oils. Validate your choice through real-world testing to confirm performance under your specific operating conditions. Why Proper Lubrication Matters Choosing the right lubrication oil reduces energy consumption, prevents premature bearing failure, and ensures micron-level machining accuracy. Investing in high-quality oil tailored to your spindle’s needs maximizes productivity and ROI while minimizing downtime. Need Assistance? Beining Intelligent Technology (Zhejiang) Co., Ltd. is dedicated to engineering and manufacturing high-precision bearings specifically designed for CNC spindles, electric motors, and robotics. Let our team of experts help you select the perfect bearing solution to optimize the performance and reliability of your equipment.

Proper bearing removal is essential for maintaining equipment performance and extending the life of both bearings and machinery. Using the wrong method can damage components or cause safety risks. This guide provides safe and effective techniques for removing bearings. 1. Pre-Disassembly Checklist Tools You’ll Need: Bearing pullers (mechanical or hydraulic) Soft mallet, brass punch Protective gear (gloves, safety glasses) Induction heater or heating ring (for tight fits) Hydraulic oil injection kit (for large bearings) Information to Check: Bearing type (ball, roller, etc.), size, and fit (interference or clearance) Clean and organize the workspace to avoid dirt contamination 2. Bearing Removal Methods A. Cold Disassembly (Small/Medium Bearings) Mechanical Puller: Attach jaws to the inner ring of the bearing Turn the center screw slowly to apply even pressure Keep the puller aligned with the shaft to avoid bending Soft Hammer & Punch: Use a brass punch on the inner ring Tap gently around the ring until the bearing loosens Never strike the outer ring or rolling elements B. Heat Disassembly (Tight Fits) Induction Heating: Heat the inner ring to 80–120°C (176–248°F) for 5–10 minutes Immediately use a puller to remove the bearing Do not overheat – use a temperature gun to monitor heat levels C. Hydraulic Oil Injection (Large Bearings) Connect a high-pressure oil pump to the shaft’s oil groove Inject oil to create a thin lubricating film between the bearing and shaft Use a hydraulic puller to gently remove the bearing 3. Special Cases Bearing Type Removal Tip Deep Groove Ball Bearings Always pull from the inner ring Tapered Roller Bearings Heat the inner ring before pulling Mounted Bearings Heat the housing (not the bearing) to expand the bore 4. Safety Tips  Wear gloves and safety goggles  Secure large bearings with hoists to prevent accidents  Inspect bearings after removal – check for cracks or wear before reuse 5. Why Proper Disassembly Matters  Saves money by avoiding damage to shafts or housings  Extends bearing life – careful removal allows reuse of undamaged parts  Increases safety – reduces risk of tool slippage or sudden failure   Need help with complex disassembly or custom solutions? Contact our experts for professional support.  

Introduction In modern manufacturing, CNC (Computer Numerical Control) machines depend heavily on high-precision spindle bearings to deliver the accuracy, speed, and reliability required in demanding applications. Bearings rated at P4 and P2 precision levels are especially crucial in ensuring top performance. This article explores the benefits of these bearings, their technical requirements, and the industries that rely on them. Key Benefits of High-Precision Bearings ✅ Superior Machining Accuracy High-precision bearings minimize rotational errors (radial/axial runout ≤ 2 µm), enabling tight tolerances (e.g., ±0.001 mm) and excellent surface finishes (Ra ≤ 0.4 µm). Perfect for high-stakes sectors like aerospace, medical devices, and mold making. ✅ Reduced Vibration and Noise Ultra-tight geometric tolerances (roundness ≤ 0.1 µm) reduce vibration, preventing machining defects such as chatter marks. Ideal for noise-sensitive environments like medical labs and optical equipment manufacturing. ✅ High-Speed Performance Supports ultra-high spindle speeds (DN value up to 1.5 million), enabling faster production of complex parts. With ceramic balls and advanced cage designs, friction and heat generation are significantly reduced. ✅ Longer Service Life Precision-ground raceways and high-quality materials (e.g., SUJ2 steel) help reduce wear, extending bearing life by 30–50%. This results in less downtime and lower maintenance costs. Critical Precision Requirements Specification Details Dimensional Accuracy Shaft journals: IT5–IT7; Transmission components: IT6–IT9 Geometric Precision Roundness & cylindricity ≤ 0.1 µm (for P2-grade bearings) Surface Finish Contact surfaces: Ra 0.16–0.63 µm; Non-contact: Ra ≤ 2.5 µm Material & Manufacturing High-strength steel or ceramic components; precision grinding, heat treatment, and multi-stage cleaning for contamination control Preload & Assembly Controlled preload (±2 µm) ensures stability and prevents overheating Industry Applications Industry Use Case Recommended Bearing Grade Aerospace Turbine blade machining P4 / P2 Medical Devices MRI scanners, surgical tools P4 Semiconductor Lithography machines, wafer handling P2 Automotive Engine parts, transmission systems P5 / P4 Choosing the Right Bearing P5 Grade: A cost-effective option for general CNC applications like milling and turning. P4 Grade: Best suited for high-speed, high-rigidity tasks such as aerospace mold machining. P2 Grade: Required for ultra-precision applications in nanotechnology and semiconductor manufacturing. Conclusion High-precision CNC spindle bearings—especially those rated P4 and P2—are essential for achieving micron-level accuracy, high-speed operation, and long-term reliability in today’s advanced manufacturing environments. By reducing errors, vibration, and wear, they significantly improve productivity while lowering maintenance and replacement costs. When selecting spindle bearings, always match the precision grade and material properties to your specific application needs.

  Bearings are small parts, but they play a big role in machines like motors, turbines, and industrial equipment. Why Load Capacity Matters Helps machines run smoothly and efficiently Prevents early wear and breakdowns Keeps operations safe Common Bearing Failures Type Cause Prevention Fatigue Heavy or repeated loads Use quality bearings Lubrication loss Wrong grease or dirt Use clean, proper lube Cage damage Poor design or misalignment Choose strong cage materials Overload Too much force Stay under 70% of load limit How to Choose the Right Bearing Match type to load (radial, axial, or both) Choose material (steel, ceramic, stainless steel) Use correct lubrication Why Choose Beining Intelligent Technology (Zhejiang) Co.,Ltd.? High-quality precision bearings Custom solutions for your needs 24/7 support Contact Us Today Avoid bearing failures. Get reliable parts and expert help now!