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Event Overview Originally scheduled for April 13 in Beijing’s Yizhuang district, the world’s first human-machine half-marathon has been rescheduled to April 19 due to extreme weather conditions. This groundbreaking event will pit cutting-edge humanoid robots against human athletes on a 21.1 km course, with robots running on a dedicated, barrier-separated track to ensure safety and fairness. Behind the Scenes: Rigorous Training & Innovation To conquer this unprecedented challenge, teams have pushed their robots to the limits of endurance and intelligence: Endurance Testing: Daily test runs span 16+ hours (10 a.m.–2 a.m.), with battery swaps every 30 minutes for uninterrupted operation. Distance Covered: Each robot completes ≥21.1 km daily, accumulating 20+ days of real-world road testing. Algorithm Breakthroughs: “We’ve optimized motion control and energy distribution to tackle dynamic terrains and fatigue,” said Cui Wenhao, Algorithm Lead at Songyan Dynamics. Spotlight on Competing Robots 1. Tiangong Robot (By Beijing Humanoid Robotics Innovation Center) Height: 1.8 m | Key Strengths: Long-stride speed, multi-terrain adaptability (slopes, gravel, sand), and advanced AI integration. Marathon Upgrades: Enhanced battery capacity, lightweight design, and thermal management for joints. Smart Features: Executes voice commands (e.g., object sorting) while maintaining stability on uneven surfaces. 2. Songyan Humanoid Robot (Developed in Beijing’s Changping District) Height: 1.2 m | Key Strengths: Agile joints, rapid directional shifts, and dual-mode control (manual/autonomous). Innovation: Proprietary drive system enables child-like running mechanics with real-time obstacle avoidance. Why This Race Matters This event marks a historic leap for humanoid robotics: From Labs to Reality: Transitioning from controlled environments to unpredictable outdoor conditions tests mobility, stability, energy efficiency, and AI decision-making under real-world pressures. Industry Implications: Success here accelerates applications in logistics, disaster response, healthcare, and beyond. A Vision of Coexistence: “This isn’t just a race—it’s about proving robots can thrive alongside humans in complex environments,” noted a senior robotics engineer. Precision Bearings for Advanced Robotics At the heart of these sophisticated humanoid robots are high-precision bearings that ensure smooth and reliable operation. Benning Technology (倍宁科技) specializes in producing a wide range of bearings used in robotic applications, including: Ultra-Thin Wall 617 Series Deep Groove Ball Bearings Thin Wall 618 & 619 Series Deep Groove Ball Bearings 16000 Series Deep Groove Ball Bearings Thin Wall 718 & 719 Series Angular Contact Ball Bearings Micro Angular Contact Ball Bearings for Robotic Finger Joints Crossed Roller RA-C Series, RU Series, CRB-A Series, BNAT Series, CSF Series, SHF Series  High-Speed Cylindrical Roller Bearings These precision-engineered components play a crucial role in enhancing the performance of humanoid robots, ensuring they can operate efficiently under demanding conditions. Join the Future As pioneers in humanoid robotics, we invite partners and innovators to collaborate in shaping a world where humans and machines conquer challenges together. Stay tuned for race-day breakthroughs!

Explore the classification of cross roller bearings by rolling element design, inner/outer ring structures, and materials. Learn how to choose the right type for precision applications. Introduction Cross roller bearings are indispensable in applications demanding high rigidity, precision, and multi-directional load capacity. Their versatile designs cater to a wide range of industrial needs, from robotics to machine tools. This guide classifies cross roller bearings based on rolling element design, inner/outer ring structures, and material selection to help you optimize performance for your specific application. 1. Classification by Rolling Element Design 1.1 Cross Cylindrical Roller Bearings Structure: Cylindrical rollers arranged at 90° in V-shaped raceways, separated by spacers. Load Capacity: Handles axial, radial, and moment loads simultaneously. Applications: Rotary tables, industrial robots, and medical equipment. 1.2 Cross Tapered Roller Bearings Structure: Tapered rollers perpendicularly aligned with adjacent rollers; roller axis converges at the bearing’s rotational centerline. Advantages: Superior high-speed performance and accuracy. Applications: Vertical lathes, grinding machine spindles, and precision drilling equipment. 2. Classification by Inner/Outer Ring Structure 2.1 RB Type (Split Outer Ring, Solid Inner Ring) Design: Solid inner ring with a two-piece outer ring. Benefits: Ideal for applications demanding high inner ring rotational accuracy. 2.2 RE Type (Split Inner Ring, Solid Outer Ring) Design: Solid outer ring with a two-piece inner ring. Use Cases: Suitable for outer ring rotation precision. 2.3 RU Type (Solid Rings with Mounting Holes) Design: Integrated inner/outer rings with mounting holes; no need for flanges or housings. Advantages: Stable rotation accuracy and torque retention. 2.4 RA Type (Split Outer Ring, Ultra-Thin) Design: Compact, lightweight split outer ring with a solid inner ring. Applications: Robot joints and robotic arm rotation units. 2.5 SX Type (Ultra-Thin, No Mounting Holes) Design: Slim profile without mounting holes; requires flanges for installation. Benefits: Space-saving solution for small-scale equipment. 2.6 RBH & CRBH Types (Ultra-Thin Solid Rings) Design: Solid inner/outer rings with ultra-thin profiles. Installation: Mounted via flanges; ideal for miniaturized, high-precision systems. 3. Classification by Material 3.1 Flame or Medium-Frequency Hardened Steel Materials: 5CrMnMo, 40CrMnMo, 50Mn, or 65# steel (quenched and tempered). Hardness: HB229–270. Features: Enhanced wear resistance for gears and raceways. 3.2 Standard Material Options Tooth Configuration: Available with internal/external gears or toothless designs. Mounting Holes: Customizable hole patterns to match machinery requirements. How to Select the Right Cross Roller Bearing Load Type: Choose cylindrical rollers for combined loads or tapered rollers for high-speed precision. Space Constraints: Opt for ultra-thin RA or SX types in compact systems. Environment: Select hardened materials for high-wear applications. Conclusion Understanding the classifications of cross roller bearings ensures optimal performance in your machinery. For tailored solutions or technical support, explore our bearing portfolio or contact our engineering team today. By leveraging this comprehensive guide, you can make informed decisions to enhance the efficiency, durability, and precision of your equipment.

Discover how aggressive high-speed travel and poor road conditions accelerate hub bearing wear. Learn actionable tips to extend bearing life and reduce repair costs. Introduction Hub bearings play a crucial role in ensuring smooth wheel rotation and vehicle stability. However, their lifespan is heavily influenced by driving habits. Poor practices can lead to premature wear, costly repairs, or even safety hazards. In this article, we explore 5 driving behaviors that damage hub bearings and provide proven tips to maximize their longevity. 5 Driving Habits That Shorten Hub Bearing Life Sudden Acceleration/Braking Repeated hard acceleration or abrupt braking increases impact loads on bearings. This forces rolling elements (balls or rollers) to slam against raceways, accelerating surface wear and micro-pitting. Prolonged High-Speed Driving Sustained speeds above 80 km/h (50 mph) generate excessive heat, causing grease to oxidize or degrade. Loss of lubrication leads to metal-to-metal contact, increasing friction and wear. Driving Through Deep Water Water ingress from flooded roads can emulsify grease, reducing its lubricity. Over time, moisture promotes rust formation and abrasive wear on bearing surfaces. Aggressive Cornering & Lane Changes Sharp turns and frequent lane shifts overload one side of the hub bearing, creating localized stress on raceways. This uneven load distribution accelerates fatigue cracks and spalling. Off-Road or Rough Terrain Driving Potholes, gravel, and uneven surfaces subject bearings to high-frequency vibrations and shock loads. These conditions risk cage deformation or rolling element damage. 4 Tips to Extend Hub Bearing Lifespan Smooth Driving Anticipate traffic flow to minimize sudden stops. Gradually accelerate and decelerate to reduce bearing stress. Manage Speed & Temperature After 2 hours of highway driving, reduce speed to 60–80 km/h (37–50 mph) for 10 minutes to cool bearings. Avoid Water Exposure Steer clear of deep puddles. If unavoidable, inspect seals post-drive and re-grease bearings if necessary. Schedule Preventive Maintenance For aggressive drivers: Check bearing play and grease condition every 30,000 km (18,600 miles). Replace worn seals immediately to prevent contamination. Why Regular Inspections Matter Ignoring hub bearing wear risks: Wheel wobbling or noise (humming/grinding sounds). Uneven tire wear. Catastrophic failure, potentially leading to wheel detachment. Early detection through vibration analysis or grease sampling can save up to 40% in repair costs. Conclusion Adopting mindful driving habits and proactive maintenance significantly extends hub bearing service life. For premium-quality replacements or technical support, explore our bearing solutions tailored for harsh driving conditions. By prioritizing these practices, you can ensure smoother rides, reduce repair expenses, and enhance vehicle safety.