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Help CenterCross Roller Bearing for Industrial Robot Arm and Rotation Table Application
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Henan San Kuang Machinery Technology Co., Ltd., established in 2014 with a factory spanning 10,000-30,000 square meters, is a professional manufacturer of precision bearings. Our Cross Roller Bearing is specifically engineered for high-performance applications such as industrial robot arms and rotation tables. With over 50 skilled employees and annual export value exceeding US$2.5 million, we bring decades of expertise to every product. This bearing combines compact design with exceptional load capacity, ensuring smooth, accurate motion even under heavy loads. Discover how our cross roller bearing can elevate your equipment's performance and reliability.
Product Features & Technical Advantages
- High Rigidity & Accuracy: Cross-roller arrangement provides high rigidity in all directions, minimizing deflection under load. Precision grades up to P2 ensure repeatable positioning accuracy for robotic arms.
- Compact & Lightweight: The integrated design reduces space requirements compared to traditional double-row angular contact bearings, ideal for confined robot joints.
- Low Friction & Smooth Rotation: Cylindrical rollers are arranged at 90° angles, offering low starting torque and consistent rotational performance, crucial for servo-controlled rotation tables.
- Customizable Dimensions: Available in a wide range of inner/outer diameters and widths, with optional materials (stainless steel, high-temperature grease) to suit specific environments.
- Long Service Life: Manufactured from high-quality bearing steel (GCr15) with advanced heat treatment, ensuring durability under continuous operation.
Technical Specifications (Typical Range)
| Parameter | Value Range | Notes |
| Inner Diameter (d) | 20 mm – 1000 mm | Customizable based on application |
| Outer Diameter (D) | 50 mm – 1200 mm | Customizable |
| Width (B) | 10 mm – 80 mm | Customizable |
| Dynamic Load Rating (C) | 10 kN – 500 kN | Depends on size |
| Static Load Rating (C0) | 20 kN – 800 kN | Depends on size |
| Precision Grade | P4, P5, P2 (ABEC 7/9) | Available upon request |
| Material | GCr15 (bearing steel) / Stainless steel | Optional |
Benefits for Your Application
- For Industrial Robot Arms: The cross roller bearing provides the exact rotational stiffness needed for precise pick-and-place, welding, and assembly operations. Its compact form factor allows for smaller, lighter robot wrist designs.
- For Rotation Tables: Achieve high-speed, high-accuracy indexing with minimal backlash. The bearing's low friction ensures smooth motion even at low speeds, which is critical for CNC rotary tables and inspection equipment.
- Enhanced Machine Uptime: Robust construction reduces maintenance intervals. Our bearings are tested for endurance under cyclic loads typical in robotic applications.
- Global Compatibility: Designed to meet international standards, our bearings can replace many common cross roller bearing series (e.g., CRB, RA, SX) without modification.
Trust & Reliability
Henan San Kuang Machinery Technology Co., Ltd. has been delivering precision bearings since 2014. Our factory, spanning 10,000-30,000 sqm, is equipped with advanced CNC grinding and assembly lines. We have obtained multiple quality management system certifications, including ISO9001, ISO14000, OHSAS18001, TL900, QS9000, SA8000, ISO17799, ISO16949, TS16969, ISO19011:2000, and others (please contact us for specific certification details relevant to your industry). Our products are shipped from major Chinese ports (Shanghai, Lianyungang, Qingdao, Tianjin) to markets across North America, South America, Europe, Asia, Africa, and Oceania. With an annual export value of US$2.5–5 million, we have earned the trust of global clients in robotics, automation, and machine tool sectors. We offer comprehensive technical support, customized solutions, and competitive pricing. Contact us today to discuss your specific requirements and receive a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: What is the difference between a cross roller bearing and a standard ball bearing?
A: Cross roller bearings use cylindrical rollers arranged at 90° angles, providing higher rigidity and load capacity in a compact space, making them ideal for applications requiring precise rotational motion under heavy loads, such as robot joints and rotary tables. -
Q: Can you provide bearings with custom dimensions?
A: Yes, we offer customizable inner/outer diameters, widths, and materials. Please submit your drawing or specifications, and our engineering team will provide a tailored solution. -
Q: What precision grades are available?
A: We manufacture bearings in precision grades P4, P5, and P2 (equivalent to ABEC 7/9). Higher precision grades are available upon request for special applications. -
Q: How long is the lead time for standard orders?
A: Standard lead time is 15–25 working days, depending on quantity and specifications. Custom orders may require 30–45 days. -
Q: Do you offer samples for testing?
A: Yes, we provide samples for evaluation. Sample cost and shipping terms can be discussed. -
Q: What certifications do your bearings meet?
A: Our company holds multiple certifications including ISO9001, ISO14000, OHSAS18001, and others. Specific product certifications (e.g., CE, RoHS) can be provided upon request if required by your market. -
Q: Can your bearings be used in vacuum environments?
A: Yes, we can supply bearings with special grease and materials for vacuum or cleanroom applications. Please specify your environmental conditions. -
Q: What is the warranty period?
A: We offer a standard warranty of 12 months from the date of shipment. Extended warranty options are available.
Contact us for more information or to place an order. Our team is ready to assist you with technical data sheets, installation guidance, and pricing. Choose Henan San Kuang Machinery Technology Co., Ltd. for reliable cross roller bearings that power your robotic and rotary table applications.
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