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

  Lubricant is vital for motor bearings. It reduces friction, heat, and wear. But lubricant doesn't last forever. It can degrade, causing problems like overheating, noise, and bearing damage. Let's look at why it fails and the simple ways to check it.     Top 5 Reasons Lubricant Degrades   Heat and Air (Oxidation):​ High temperatures and exposure to air slowly break down lubricant, just like oil can go rancid. It thickens, forms sludge and acids, and loses its lubricating power. It can even clog small passages inside the bearing.                                                                                                             Water/Moisture:​ In damp locations, water gets into the lubricant. This causes rust and creates acidic by-products that attack the bearing metal, leading to faster wear and corrosion.                                  Physical Beating (Shear):​ The high-speed rolling and pressure inside the bearing physically "shears" or breaks down the lubricant's structure over thousands of hours. This can make grease too soft (causing it to leak) or too hard (causing it to cake up).                                                                 Dirt and Contamination:​ Dust, dirt, and tiny metal particles from normal operation or the environment can get into the lubricant. These contaminants act like sandpaper, increasing wear and speeding up the lubricant's breakdown.                                                                                                   Using the Wrong Type:​ Not all lubricants are the same. A lubricant meant for a slow, cool motor will fail quickly in a hot, high-speed one. Using the incorrect grease or oil for the job is a common cause of early failure.                                                                                                                                         Easy Ways to Check if Your Lubricant Has Failed                                                                                                You don't always need lab equipment. Here are four simple checks:                                                                      Look at it (Visual):​ Good oil or grease is usually clear or a light amber color. Bad lubricant looks dark, cloudy, or murky. You might see sludge or gritty particles in it.                                                               Smell it:​ Fresh lubricant has a mild, oily smell. Degraded lubricant often has a sharp, sour, or burnt odor​ – a clear warning sign.                                                                                                                Feel it (Texture):​ Rub a little between your fingers. Good lubricant feels smooth and slippery. Bad lubricant can feel gritty, sticky, or stringy. Grease might feel stiff and caked.                                      Test it (Professional):​ For critical equipment, send a sample to a lab. They measure viscosity (thickness)​ and acid level​ to scientifically confirm if it's time for a change.                                                  Key Maintenance Tip:                                                                                                                                            Don't wait for problems. Make lubricant inspection and regular, scheduled replacement​ a part of your maintenance routine. This is the best way to prevent bearing damage and keep your motors running smoothly for longer.   Beining Technology​ specializes in manufacturing high-precision machine tool spindle bearings, providing reliable solutions for your equipment.

  Angular contact ball bearings are widely used in motors, spindles, pumps, and many industrial machines. They can handle both radial and axial loads because of their angled raceway design. But to work properly, they must be installed in the correct direction. Installing them backwards is a common mistake that can cause early failure. Here’s how to tell the front from the back—and why it matters. How to Identify Front and Back 1.Look at the markings The side with the full brand name and part number stamped on the outer ring is usually the back. This side often faces a fixed shoulder in the housing. The cleaner, unmarked side is the front, which should face the main thrust load direction. 2.Compare the ring heights Place the bearing on a flat surface and look at it from the side. The back side has taller and thicker edges on both the inner and outer rings. The front side has shorter, thinner edges. The contact angle opens toward the front. 3.Check for seals or shields If the bearing has a rubber seal (RS) or metal shield (Z) on one side, that sealed side is usually the front. The seal is designed to face the direction where protection from dust or moisture is needed. 4.For matched pairs Some angular contact bearings are sold as matched sets for back-to-back or face-to-face mounting. These often have small marks like an arrow, a “V”, or a dot. These marks point to the front. Make sure to align them correctly based on your mounting arrangement. Why Correct Orientation Matters Installing the bearing in the wrong direction changes how loads are transferred. The contact angle is designed to guide force in one specific way. If reversed, the load hits the wrong part of the raceway, causing: Uneven stress on balls and raceways Rapid wear and overheating Excess noise and vibration Shortened bearing life—sometimes just hours in high-speed applications In precision equipment like machine tool spindles, wrong orientation also reduces rigidity and accuracy, affecting the whole machine’s performance. Always double-check the orientation before final assembly. A quick visual check can prevent costly downtime and repairs.   About Beining Technology Beining Technology manufactures high-precision angular contact ball bearings for spindles, motors, and industrial automation. We focus on quality, consistency, and technical support to help customers avoid common installation issues. If you have questions about bearing selection or mounting, feel free to contact our team.

Magnetic suspension backup bearings (also called catcher or protection bearings) are a critical safety component in magnetic levitation systems. They provide mechanical support to the rotor during power loss or system failure, preventing rotor-stator contact and catastrophic damage in equipment like maglev blowers and turbo-machines. Common Types Used as Backup Bearings 1.Angular Contact Ball Bearings These are widely used due to their high-speed capability and axial load capacity. Common series include 70 and 72. Specialized models such as CXFSV71905ACQQ/P4ADFLTB, CXFSV71907ACQQ/P4ADFLTB, and CXFSV71908ACQQ/P4ADFLTB are designed for impact resistance and stable run-down performance. 2.Deep Groove Ball Bearings Thin-section types from series like 618 or 819 are used where space is limited. Examples include CXFV61909QQ/P4ALTB and CXFV61910QQ/P4ALTB, which offer reliable backup support for high-speed rotors. Key Selection Guidelines 1.Prioritize impact strength The bearing must survive the sudden drop of the rotor. Standard bearings may fail instantly under shock loads. Choose bearings specifically engineered for high impact resistance. 2.Address lubrication during standby Backup bearings often remain idle for long periods, leading to grease degradation. Use specialty greases for long-term storage or apply solid lubricant coatings (e.g., PTFE or DLC) on bearing surfaces. 3.Match design to application needs Options include full-complement (no cage) for higher load capacity, hybrid ceramic balls for reduced heat, or standard steel for cost efficiency. Select based on expected drop events, system dynamics, and budget—not one-size-fits-all assumptions. 4.Apply corrosion protection Stationary bearings are prone to rust. Anti-corrosion coatings (such as zinc or nickel) on rings help maintain readiness and extend service life. 5.Balance precision and cost High precision (e.g., P4, ABEC 7) improves coast-down smoothness but increases cost. For most backup roles, moderate precision that meets functional requirements is sufficient and more economical. Conclusion Selecting the right backup bearing requires understanding your system’s failure mode and operational environment. Partner with a manufacturer experienced in magnetic suspension applications to ensure reliability without overspending.

  A precision machine tool spindle relies on its bearings for smooth, accurate, and high-speed rotation. One common issue that can disrupt performance is axial play, also called end play, where the spindle shaft moves back and forth along its axis. This movement reduces machining accuracy and can lead to spindle damage. Why Does Axial Play Happen? Axial play occurs when the bearing is not held firmly in place. Common causes include: Insufficient preload: The bearing was not tightened enough during assembly, leaving too much internal clearance. Incorrect installation: Misalignment, loose lock nuts, or missing washers can allow the bearing to shift. Bearing wear: Over time, rolling elements and raceways wear down, increasing clearance. Spindle or housing damage: Worn shafts or damaged housing bores create space for movement. How to Solve and Prevent Axial Play 1.Check and correct installation Verify that lock nuts are properly tightened, spacers and washers are in place, and the bearing is correctly aligned on the shaft and in the housing. Measure axial clearance with a dial indicator and adjust using precision shims to meet manufacturer specifications. 2.Apply proper preload Follow the manufacturer’s guidelines for preload. Use precisely ground spacers, calibrated lock nuts, or spring preload systems to maintain consistent preload—especially important for high-speed or thermally sensitive applications. 3.Inspect and replace worn parts Replace bearings showing signs of wear such as noise, heat, or rough rotation. Also check the spindle shaft and housing for damage. Use only high-precision bearings designed for spindle applications. 4.Use the right locking method Secure the bearing axially with reliable methods such as precision lock nuts with locking washers, thread-locking adhesive on clean threads, or preload sleeves for paired bearings. Prevention Is Key Always follow correct installation procedures. Use high-quality, precision-grade replacement parts. Select the appropriate bearing type and preload for your operating speed and load. Perform regular maintenance to catch early signs of wear. Need Help with Your Spindle? Persistent axial play often indicates worn components or improper setup. Using the correct high-precision bearings is essential for spindle stability and longevity. Beining Technology specializes in manufacturing high-precision machine tool spindle bearings. Our products are designed for maximum rigidity, accuracy, and long service life, helping to eliminate issues like axial play. Contact us to find the right bearing solution for your application.

  If your water pump bearings keep failing, you’re not alone—and it’s rarely just “bad luck.” Most failures happen for the same few reasons. The good news? They’re almost always preventable. Common Causes of Early Bearing Failure 1.Misalignment or unbalanced impeller Even a small misalignment between the motor and pump shaft puts extra load on the bearings. This causes vibration, heat, and rapid wear. 2.Wrong or poor lubrication Too little grease = metal-on-metal friction. Too much = overheating. Old or dirty grease loses its protection. All lead to early failure. 3.Water or dirt getting inside Worn seals let in water, dust, or grit. These act like sandpaper inside the bearing—causing pitting, rust, and surface damage. 4.Rough or incorrect installation Hammering a bearing onto a shaft, using the wrong tools, or uneven pressure can crack or deform it before it even runs. 5.Low-quality bearings Cheap bearings often use softer steel or looser tolerances. They wear out faster—even under normal conditions. Simple Ways to Make Bearings Last Longer Align properly: Always check shaft alignment after installation or repair. A laser tool helps, but even basic checks make a big difference. Lubricate right: Use the grease type and amount your pump manual recommends. Clean the fitting before adding new grease. Check seals regularly: Replace leaking or cracked seals early. In wet or dirty areas, consider better seals (like double mechanical types). Install with care: Use an induction heater—not a torch or hammer—to mount bearings. Never force them. Listen to your pump: Grinding noise? Hot housing? Excess vibration? Shut it down and check—don’t wait for total failure. Start with quality: A genuine P5 or P6 precision bearing from a known brand costs a little more upfront—but saves far more in downtime and repairs. Bottom Line Bearing failure is usually a symptom of something else—misalignment, bad grease, or poor setup—not just “the bearing went bad.” Fix the root cause, and your pumps will run longer, quieter, and more reliably. Need help choosing the right bearing or troubleshooting a repeat failure? We’ve been solving these issues for 15+ years—just ask.

  If you’ve ever tried to fit a high-performance bearing into a tight space—like a robot joint or an electric steering column—you know the struggle: you need strength in both directions, but there’s no room for two bearings. That’s exactly where four-point contact ball bearings come in. At first glance, they look like regular ball bearings. But inside, the raceways are shaped differently—usually with a “gothic arch” profile. This design lets each ball touch the inner and outer rings at up to four points under load. The result? A single bearing that can handle heavy axial loads from both left and right, plus radial forces, all while staying compact. This isn’t just a small upgrade—it changes how engineers design machines. Instead of mounting two angular contact bearings back-to-back (which takes more space, more parts, and careful alignment), you can drop in one four-point contact unit and get similar performance with less complexity. For industries pushing toward smaller, lighter, and more integrated systems—like robotics, medical devices, or electric vehicles—that difference matters a lot. You’ll find these bearings in real-world applications where reliability and precision can’t be compromised. In industrial robots, they keep joints rigid during fast movements. In CNC spindles, they resist cutting forces without wobbling. Even in advanced automotive steering systems—especially steer-by-wire setups—they provide the stiffness and bidirectional support needed for safe, responsive control. That said, they’re not a one-size-fits-all solution. If your application runs at very high speeds (say, over 20,000 RPM) or demands ultra-fine runout tolerances, a matched pair of high-precision angular contact bearings might still be better. Also, proper preload is critical—too little and the bearing rattles; too much and it overheats. So it’s always worth checking specs with your supplier before finalizing the design. At Beining Technology, we’ve been supplying four-point contact bearings to automation and machinery builders for several years. We offer standard grades (P6, P5) and high-precision options (P4), all tested for smooth rotation and dimensional accuracy. No marketing fluff—just bearings that work as promised. If you’re working on a design where space is tight but loads are heavy, this type of bearing might be the simple, reliable answer you’ve been looking for.  

China’s Bearing Exports Grow in Volume, Face Price Pressure in Early 2025 November 26, 2025 According to data from China’s General Administration of Customs, the country exported 497,852 tons of bearings from January to July 2025—an increase of 7.2% year-on-year, equivalent to an additional 33,474 tons compared to the same period in 2024. However, despite the rise in shipment volume, export revenue grew only modestly—reaching **29.34billion∗∗,upjust∗∗0.92.5 billion) from last year. This reflects a notable decline in average export prices, which dropped from 630/tonin2024to590/ton in 2025. The trend continued into July 2025: China shipped 73,843 tons of bearings (up 3.2% YoY), but export value fell by

RV reducer bearings are vital for industrial robot performance. Excessive vibration can signal serious issues, leading to downtime and costly repairs. This guide breaks down the main causes of bearing vibration and provides step-by-step solutions to ensure your robots run smoothly and reliably.   1. What Causes RV Reducer Bearing Vibration? RV reducers convert high-speed input into precise, high-torque output. Any vibration in the bearings is a red flag. Here are the most common reasons:   Worn or Damaged Bearings Cause: Overloading or poor lubrication leads to fatigue, pitting, or cage failure. Result: Severe vibration with noticeable noise. Improper Installation Cause: Misalignment between the bearing and shaft/housing, incorrect fit tolerance, or wrong preload settings. Result: Unstable operation from day one, accelerating wear. Overloading & Shock Loads Cause: Running beyond rated torque or frequent start-stop cycles stresses the bearings. Result: Lubricant film breakdown, causing impact and vibration. Internal Gear Issues Cause: Wear or incorrect backlash in the cycloid gear and needle pin assembly. Result: Vibration transfers directly to the bearings. 2. How to Diagnose & Fix Vibration Problems Step 1: Quick Checks   Listen: Use a stethoscope to detect scraping or knocking sounds. Feel: Check for abnormal heat on the reducer housing (signs of lubrication issues or overload). Inspect: Look for discolored lubricant or metal particles (indicates internal wear). Step 2: Advanced Diagnosis   Vibration Spectrum Analysis: Identifies exact problem areas (e.g., outer race, rolling elements) without disassembly. Sensor Monitoring: Real-time tracking of temperature and vibration patterns. Step 3: Targeted Solutions   Replace with Precision Bearings Choose high-quality, low-noise bearings (e.g., Beining Technology’s precision spindle bearings) for long-term stability. Proper Installation Follow technical manuals strictly. Use laser alignment tools for perfect fit and correct preload. Preventive Maintenance Stick to recommended lubrication schedules. Avoid overloading by monitoring torque limits. 3. Why High-Quality Bearings Matter Not all bearings are created equal. For RV reducers, precision and reliability are non-negotiable. Partnering with trusted manufacturers like Beining Technology ensures:   Bearings designed for high-precision applications. Superior durability under extreme conditions. Consistent performance to minimize downtime. 4. Final Tips for Long-Term Reliability Train Your Team: Regular maintenance training reduces human error. Use IoT Sensors: Predictive maintenance tools help catch issues early. Work with Experts: Collaborate with bearing specialists for tailored solutions. Conclusion RV reducer bearing vibration doesn’t have to be a mystery. By understanding the root causes and following a structured maintenance plan, you can keep your robots running smoothly. Investing in high-precision bearings and proper installation isn’t just cost-effective – it’s essential for the future of your automation systems.  

  A side milling head is a critical attachment for machining centers, enabling precision multi-angle operations. At its core are high-precision spindle bearings—any vibration or chatter from these components directly compromises machining accuracy and surface finish. If you’re experiencing unusual vibration in your side milling head, here’s how to diagnose and resolve it quickly. Common Causes of Bearing Vibration 1.Bearing Wear Even premium bearings degrade over time. Worn rolling elements or damaged raceways lead to rough, unstable rotation. 2. Improper Installation Misalignment, incorrect fit, or forceful mounting can cause immediate imbalance and vibration. 3.Unbalanced Cutting Forces Aggressive or uneven cuts—and external shocks during operation—create uneven loads on the bearing. 4.Contamination Metal chips, dust, or debris inside the bearing disrupt smooth motion, causing chatter. 5.External Vibrations Sometimes the issue isn’t the head itself—vibrations from nearby machines or an unstable foundation can transfer into your system. How to Fix It 1.Verify Installation Use proper tools to check bearing clearance and alignment. Reinstall correctly if needed—precision fit is non-negotiable. 2.Inspect & Replace Worn Bearings Look for pitting, brinelling, or discoloration. Replace damaged units with high-precision bearings (P5 or P4 grade). 3.Maintain Cleanliness & Lubrication Always clean thoroughly before assembly. Use fresh, high-quality lubricant to prevent contamination—the number one cause of premature failure. 4.Optimize Cutting Parameters Reduce depth of cut, adjust feed rate, or lower spindle speed. Often, a gentler cutting strategy eliminates vibration. 5.Stabilize the Machine Environment Ensure your machining center sits on a rigid, level foundation. Use anti-vibration pads if nearby equipment causes interference. Need Expert Support? Persistent vibration? You don’t have to troubleshoot alone. At Beining Technology, we specialize in high-precision spindle bearings for machine tools. Our engineering team offers direct technical support to help you diagnose root causes and restore your side milling head to peak performance—fast. Contact us today for bearing selection, failure analysis, or custom solutions.

  If your CNC machine is making strange noises, running hot, or losing accuracy, worn spindle bearings could be the problem. Left unchecked, this leads to poor part quality, unplanned downtime—and expensive repairs. Here’s what you need to know to handle it right. Common Causes of Severe Bearing Wear 1. Not enough lubrication Bearings need clean, high-quality grease or oil. Without it, friction and heat build up fast—wearing out surfaces quickly. 2. Wrong installation Forcing a bearing into place or using improper tools can damage races or cause misalignment. Even small errors shorten life dramatically. 3.Overloading the machine Pushing beyond recommended cutting loads or using aggressive toolpaths puts extra stress on bearings. 4.Dirt, chips, or moisture getting in Contaminants act like sandpaper inside the bearing. Good seals and a clean shop help prevent this. 5.Normal wear over time All bearings wear out eventually—even with perfect care. What to Do When Bearings Are Worn Don’t keep running the machine. A badly worn bearing can destroy the spindle housing. Inspect the damage. Minor wear might be reconditioned, but severe wear means replacement. Use the correct replacement. Match the original size, clearance (like C0 or C3), and precision class. Never downgrade quality. Install it properly. Use proper tools and follow torque/fit specs. A good bearing installed wrong will fail early. How to Prevent Future Problems Stick to a regular lubrication schedule Keep the machine and work area clean Train operators on proper cutting parameters Check for early signs: unusual noise, vibration, or heat Preventive care costs far less than emergency repairs—and keeps your production on track. Need Reliable Spindle Bearings? At Beining Technology, we make high-precision spindle bearings built for real-world machining. Our bearings deliver consistent accuracy, long life, and stable performance in CNC lathes, milling machines, and grinders. Contact us for the right bearing for your machine—and keep your uptime high.