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S7011 ACB/HCP4A 55*90*18 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Ceramic Balls High Speed
Super-precision, high-speed B design, single row angular contact ball bearing with seals
The S7011 ACB/HCP4A bearing,bore diameter is 55 mm, outside diameter is 90 mm,width is 18 mm,featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | S7011 ACB/HCP4A | |
| Bearing Type | Angular Contact | |
| Measurement Unit | Metric | |
| Dimensions | Inner Bore Diameter (d) | 55 mm |
| Inner Bore Diameter Tolerance | -0.007mm to 0 | |
| Outer Bore Diameter (D) | 90 mm | |
| Outer Bore Diameter Tolerance | -0.008m to 0 | |
| Width (B) | 18 mm | |
| Width Tolerance | -0.2mm to 0 | |
| Specifications | Contact Angle | 25° (15°,40° Available) |
| Material | Hybrid (Chrome Steel Rings, Ceramic Balls) | |
| Cage Material | Phenolic | |
| Number of Rows | 1 Single Row | |
| Seal Type | Seal on both sides | |
| Temperature Range | -30°C to 150°C | |
| Lubrication | Grease | |
| Tolerance Class | P4A better than P4 | |
| Weight | 0.39 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 13300 N |
| Static Radial Load | 10400 N | |
| Reference Speed For Grease (r/min) | 24,000 rpm | |
| Limiting Speed For Oil(r/min) | 36,000 rpm | |
What's the Performance Features of 7011 ACB/HCP4A Bearing?
The 7011 ACB/HCP4A bearing, engineered for high-performance applications, features P4A grade precision, an angular contact design for handling significant radial and axial loads. Optimized for high-speed operation with minimal vibration, it offers smooth, quiet performance and is constructed from premium materials to ensure durability and longevity. This bearing maintains high precision during operation, making it ideal for critical applications in machine tools, automation, aerospace, medical devices, and other industries requiring exceptional accuracy and reliability.
What's the Applications of the 7011 ACB/HCP4A Bearing?
The S7011 ACB/HCP4A is a sealed high-precision angular contact ball bearing designed for applications requiring protection against contamination while maintaining reliable performance. Typical uses include:
Food Processing & Packaging
Mixers, filling machines, conveyor rollers.
Compatible with food-grade lubricants (NSF H1 certified).
Machine Tools & Automation
CNC spindles and automated feeding systems requiring debris protection.
Agricultural & Construction Equipment
Harvesters, excavators, and outdoor transmission systems.
Resistant to dust, mud, and moisture.
Medical & Lab Devices
Centrifuges, blood analyzers, cleanroom-compatible components.
Low-noise for medical imaging equipment like MRI and CT scanners.
General Industrial Drives
Fans, pumps, and conveyors in humid or dusty environments (e.g., textiles, papermaking).
Robotics & Precision Machinery
Robotic joints and actuators needing moderate-speed sealing and contamination protection.
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
| Feature | High Speed and Stiffness,High Running Accuracy,High Load Carrying Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Service | Online Support,Professional Service |
| Size | Standard,For custom sizes ,please contact us |
| Factory Manufacturer | Yes |
If you need more detailed information , feel free to ask!