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

Selecting the right bearings for CNC machines, machining centers, and precision equipment is crucial for ensuring optimal performance, accuracy, and longevity. This straightforward guide will help you choose the best bearings based on your specific application requirements. Key Factors for Bearing Selection Precision Grade: P4 / P5 Accuracy: Essential for high-speed, high-precision applications such as CNC machining centers. P4 bearings minimize radial and axial runout, ensuring smooth and accurate operation. Ultra-Precision Options (P2 or Higher): For precision machine tools, use ultra-high precision bearings to meet micron-level tolerances. Bearing Type: Angular Contact Ball Bearings: Ideal for high-speed spindles — 15° contact angle for speed, 25° for heavy axial loads. Crossed Roller Bearings: Designed to handle combined radial and axial loads; perfect for precision rotary tables. Hybrid Ceramic Bearings: Combine steel races with ceramic balls for higher RPM, reduced heat generation, and longer service life — ideal for machining centers. Preload & Rigidity: Light Preload: Best suited for high-speed applications like grinding. Medium/Heavy Preload: Increases rigidity for heavy cutting operations. Sealing & Lubrication: Sealing Options: Use labyrinth seals or air purge systems to prevent contamination. Lubrication Methods: Choose between grease lubrication for general use or oil-air lubrication for high-speed, high-temperature environments. Bearing Recommendations by Machine Type Precision Machine Tool Bearings Applications: High-precision grinding, measuring equipment Best Choices: Angular contact ball bearings (P4/P5), crossed roller bearings (P4) Key Features: High rigidity, low vibration, and thermal stability Machining Center Spindle Bearings Applications: 5-axis CNC machining, heavy-duty cutting Best Choices: Hybrid ceramic bearings, cylindrical roller bearings Key Features: Capable of extreme speeds (40,000+ RPM), heat resistance, and high dynamic load capacity CNC Machine Spindle Bearings Applications: High-speed milling, micro-drilling Best Choices: Angular contact bearings compatible with HSK tool holders, hybrid ceramic bearings Key Features: Fast acceleration, minimal runout (

CNC spindle bearings are critical components that ensure precision, stability, and longevity in machining operations. Over time, these bearings can accumulate contaminants such as dust, metal shavings, and old grease — all of which can lead to reduced performance and premature failure. Regular cleaning is essential to maintain smooth operation, prevent overheating, and extend the service life of your spindle bearings. In this guide, we’ll walk you through the best practices for cleaning CNC spindle bearings effectively and safely. Why Clean CNC Spindle Bearings? Neglecting bearing maintenance can result in several issues, including: Increased friction and heat generation Reduced rotational accuracy Premature wear or component failure Higher maintenance and replacement costs Proper cleaning removes harmful contaminants, restores performance, and helps maintain the high standards required in CNC machining. Essential Tools and Materials Cleaning Solutions: Kerosene or Diesel: Effective at dissolving heavy grease and oil buildup Isopropyl Alcohol or Bearing-Specific Cleaners: Ideal for precision cleaning with fast evaporation Lubricants & Corrosion Protection: Light Anti-Rust Oil or Grease: Applied after cleaning to protect against oxidation Tools: Soft-bristle brushes, lint-free cloths, and plastic scrapers (to avoid damaging surfaces) Ultrasonic cleaner (recommended for deep cleaning of high-precision bearings) Compressed air gun or low-temperature drying oven Safety Equipment: Gloves, safety goggles, and a respirator mask (to protect against chemical exposure) Step-by-Step Cleaning Process 1. Preparation Power Down the Machine: Ensure the CNC machine is off and the spindle has come to a complete stop Disassemble the Spindle: Follow the manufacturer’s manual to remove the bearings. Keep track of their orientation and position for correct reassembly 2. Initial Cleaning Dry Wipe: Use a lint-free cloth to remove loose debris and metal particles Soak in Kerosene: Immerse the bearings in kerosene for 10–30 minutes to loosen stubborn grease. Gently scrub with a soft brush, focusing on grooves and raceways ⚠️ Avoid aggressive scrubbing to prevent surface damage 3. Deep Cleaning Option A: Ultrasonic Cleaning (Recommended) Place bearings in an ultrasonic cleaner filled with a mild detergent Set frequency to 20–40 kHz and temperature to 40–60°C (104–140°F) Run for 10–15 minutes to remove microscopic contaminants Option B: Manual Cleaning Rinse bearings in fresh kerosene or alcohol Wrap a lint-free cloth around your finger and wipe all surfaces thoroughly 4. Drying and Lubrication Dry Completely: Use compressed air (≤0.2 MPa pressure) to blow out residue. Alternatively, dry in a low-temperature oven at 60–80°C (140–176°F) Apply Anti-Rust Lubricant: Immediately coat the bearings with a thin layer of oil or grease to prevent corrosion Critical Do's and Don'ts ✅ Do: Work in a well-ventilated area Use plastic tools when scraping delicate parts Inspect bearings for cracks or wear after cleaning ❌ Don’t: Use wire brushes or metal scrapers (can scratch surfaces) Force rotation during cleaning (risk of internal damage) Skip lubrication (dry bearings oxidize quickly) When to Clean Your Bearings Standard CNC Machines: Every 500–800 operating hours High-Precision or Heavy-Duty Machines: Every 200–300 hours Signs of Contamination: Unusual noise, vibration, or overheating Troubleshooting Common Issues Persistent Grease Buildup: Pre-clean with a steam cleaner (≤120°C / 248°F) before soaking Post-Cleaning Noise: Check for improper installation, insufficient lubrication, or internal bearing damage Proactive Maintenance Tips Maintain a maintenance log to track cleaning cycles and bearing condition Monitor spindle temperature and vibration levels regularly Replace sealed bearings instead of attempting to clean them Conclusion Regular cleaning of CNC spindle bearings is a small but impactful task that significantly enhances equipment performance and longevity. By following these steps and prioritizing safety, you'll keep your CNC machines running efficiently and reliably for years to come. Need expert support? [Contact us] today !

Machine tool spindle failures can lead to costly downtime and production delays. While spindle bearings are often the first suspect, the root cause may lie elsewhere. Below, we break down the most common causes of spindle failure — and how to address them effectively. When Spindle Bearings ARE the Culprit Common Bearing Damage Symptoms: Reduced machining accuracy – Worn or damaged bearings cause vibration, leading to surface defects (e.g., waviness, scratches) or inconsistent dimensions. Abnormal noise or vibration – Irregular rolling contact due to spalling, cage damage, or improper lubrication generates excessive noise. Unstable spindle speed – Internal bearing wear disrupts smooth rotation, affecting high-speed performance. Seizure or blockage – Severely damaged bearings can jam the spindle, requiring immediate shutdown. Common Bearing-Related Causes: Contamination during installation – Particles entering the spindle during assembly accelerate raceway spalling. Poor lubrication or grease quality – Low-quality or contaminated grease fails to protect bearings. Incorrect bearing selection – Mismatched contact angles, cage types, or speed ratings reduce load capacity. Improper pairing or assembly – Errors in bearing pairing parameters or mounting heights shorten lifespan. Non-Bearing Causes of Spindle Failures Mechanical Issues Broken belts, misaligned gears, or transmission system faults can mimic bearing-related symptoms. Electrical & Control System Problems Power supply issues – Phase loss, reversed phases, or unstable voltage disrupt spindle operation. Faulty wiring or connections – Loose contacts, damaged relays, or blown fuses interrupt signal or power delivery. Control system errors – Incorrect CNC parameters, missing control signals, or inverter malfunctions (e.g., unconfigured settings) halt spindle function. Environmental Factors Coolant/water ingress – Poor sealing or improper coolant routing corrodes internal components. Humidity/dust exposure – Uncontrolled workshop conditions accelerate wear. Solutions for Long-Term Spindle Reliability Precision Bearing Practices Use high-quality, corrosion-resistant bearings matched to your application (e.g., stainless steel for wet environments). Ensure professional installation with strict cleanliness protocols to avoid contamination. Holistic Maintenance Approach Regularly inspect mechanical transmission components, electrical connections, and control systems. Monitor workshop humidity (

Bearings are critical components in machinery, and preventing rust is essential to maintaining their performance and extending their service life. Here’s a concise guide to the rust prevention methods used by professional bearing manufacturers: 1. Surface Cleaning Before applying any protective coating, bearings undergo thorough cleaning to remove contaminants such as dirt, grease, and metal particles. Common cleaning methods include: Solvent cleaning – Removes oils and residues effectively. Chemical treatment – Neutralizes acidic or alkaline contaminants. Mechanical cleaning – Uses brushes or blasting techniques for stubborn deposits. After cleaning, surfaces are carefully dried using compressed air, heat, or lint-free cloths to avoid moisture retention. 2. Anti-Corrosion Coating Application Applying a high-quality anti-rust coating is one of the most effective ways to prevent oxidation. Methods include: Immersion coating – Small bearings are dipped into rust-preventive oils or greases for full coverage. Brushing – Manual application on large bearings ensures even coverage without pooling. Spraying – Thin-film or solvent-based oils are evenly sprayed using filtered air. 3. Vacuum Packaging For long-term storage or international shipping, bearings are often vacuum-sealed in protective bags. This removes moisture and oxygen, significantly reducing the risk of corrosion during transit and storage. 4. Corrosion-Resistant Materials Selecting materials that inherently resist rust is a proactive approach. Options include: Stainless steel bearings – Ideal for humid or mildly corrosive environments. Ceramic bearings – Offer excellent resistance to wear and chemical exposure. Coated steel bearings – With surface treatments like chrome plating or polymer coatings. 5. Controlled Production & Storage Conditions Maintaining optimal environmental conditions during manufacturing and storage helps preserve bearing integrity: Low humidity environments – Humidity levels are kept below 50% using dehumidifiers or climate-controlled storage rooms. Proper packaging – Bearings are wrapped in anti-rust paper, sealed in plastic bags, or stored in airtight containers. Why Choose Professional Rust Prevention? Rust can lead to premature bearing failure, increased downtime, and higher maintenance costs. By combining advanced techniques such as vacuum sealing, high-performance coatings, and strict environmental controls, professional manufacturers ensure that bearings remain corrosion-free throughout production, transportation, and operation. When choosing bearings for your equipment, trust manufacturers who implement comprehensive anti-corrosion strategies at every stage — from material selection to final delivery.

Overheating spindle bearings in CNC lathes can lead to machine errors, reduced accuracy, and premature bearing failure. At Beining Technology, we design precision spindle bearings and cooling strategies to ensure optimal performance. Here’s how to keep bearings cool and reliable. Common Causes of Overheating Excessive Friction: Poor alignment or incorrect preload. Inadequate Lubrication: Low-quality or degraded lubricants. Prolonged Heavy Loads: Continuous high-stress machining. Inefficient Cooling Systems: Poor heat dissipation. Key Cooling Strategies 1. Optimize Lubrication Oil-Air/Oil-Mist Systems: Our advanced systems deliver precise lubrication while simultaneously cooling the bearings. High-Performance Greases: Thermally stable lubricants designed for high-speed spindle bearings. 2. Upgrade Cooling Systems Internal Coolant Channels: Directly cool bearings through integrated spindle pathways, a feature supported by Beining’s bearing designs. Precision Chillers: Maintain stable temperatures (±0.5°C) to minimize thermal expansion. 3. Choose Advanced Bearing Materials Ceramic Hybrid Bearings: For example, Beining Technology’s silicon nitride (Si₃N₄) hybrid bearings reduce friction by 30–50%, making them ideal for speeds over 20,000 RPM. High-Temperature Steels: Alloys like Cr4Mo4V, used in Beining’s high-temperature series, withstand temperatures up to 500°C. 4. Improve Machining Practices Avoid Continuous Heavy Cuts: Alternate between high- and low-load operations. Optimize Cutting Parameters: Adjust speeds and feeds to lower heat generation. 5. Regular Maintenance Monitor Temperature and Vibration: Use tools compatible with Beining’s sensor-ready bearings for real-time tracking. Clean Cooling Components: Ensure coolant lines and filters are free from debris. Why Invest in Quality Spindle Bearings? Extended Lifespan: Beining Technology bearings use high-grade materials to resist wear and heat. Enhanced Precision: Stable thermal performance ensures machining accuracy. Certified Reliability: Meet ISO 9001 and ABEC 7/P4 standards for industrial applications. Need Durable, Cool-Running Bearings? Beining Technology offers high-performance spindle bearings for demanding CNC lathes, including ceramic hybrids and high-temperature designs. Our solutions ensure cooler operation, extended service life, and unmatched precision. Contact Us for expert guidance or product details.

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.