S7011 CB/HCP4A Super Precision Single Row Angular Contact Ball Bearing
S7011 CB/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 CB/HCP4A bearing, with bore diameter of 55 mm, outside diameter of 90 mm, and width of 18 mm, features precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls. It delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number |
S7011 CB/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 |
-0.008mm to 0 |
| Width (B) |
18 mm |
| Width Tolerance |
-0.2mm to 0 |
| Specifications |
| Contact Angle |
15° (25°, 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 |
0.4 kg |
| Matched Arrangement |
No |
| Universal Matching Bearing |
No |
| Preload |
Not applicable |
| Load and Speed |
| Dynamic Radial Load |
14000 N |
| Static Radial Load |
11000 N |
| Reference Speed For Grease (r/min) |
26,000 rpm |
| Limiting Speed For Oil (r/min) |
40,000 rpm |
Performance Features of S7011 CB/HCP4A Bearing
The S7011 CB/HCP4A bearing, engineered for high-performance applications, features P4A grade precision and 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.
Applications of the S7011 CB/HCP4A Bearing
The S7011 CB/HCP4A bearing, known for its high precision, rigidity, and durability, finds extensive use across various industries. Below are the core application fields and specific scenarios where this bearing excels:
1. Machine Tools and Precision Machining
- Ultra-High-Speed CNC Machine Tool Spindles: The S7011 CB/HCP4A is ideal for ultra-high-speed spindles in CNC machines, ensuring high accuracy and stability during machining operations.
- Rotary Tables in Five-Axis Machining Centers: This bearing supports the precise rotation required for five-axis machining centers, enhancing both flexibility and precision in complex part manufacturing.
- Precision Grinding Machine Spindles (e.g., Optical Mirror Surface Grinding): For applications requiring extremely fine surface finishes, such as optical mirror grinding, the S7011 CB/HCP4A ensures the necessary precision and rigidity.
2. Semiconductor and Electronics Manufacturing
- Spindle of Wafer Dicing Machines (Ultra-Clean Environment): In semiconductor fabrication, wafer dicing requires bearings that can operate in ultra-clean environments without contamination. The S7011 CB/HCP4A meets these stringent cleanliness requirements.
- Precision Focusing Mechanisms in Photolithography Machines: High-precision focusing mechanisms in photolithography equipment benefit from the exceptional accuracy and reliability of this bearing.
- Rotating Axes in High-Speed Surface Mount Technology (SMT) Machines: The S7011 CB/HCP4A supports the rapid and accurate placement of electronic components, crucial for high-speed SMT machines.
3. Aerospace and Satellite Systems
- High-Speed Rotors in Aircraft Engine Fuel Pumps: Aerospace fuel pumps require bearings capable of withstanding extreme speeds and loads, making the S7011 CB/HCP4A an excellent choice.
- Bearing Assemblies for Satellite Attitude Control Flywheels (Vacuum Environment): In space applications, where vacuum conditions prevail, this bearing provides reliable performance for satellite attitude control systems.
- Servo Actuators for Highly Maneuverable UAVs: The precision and responsiveness of the S7011 CB/HCP4A make it suitable for steering actuators in high-mobility drones.
4. New Energy and High-Speed Power Systems
- Hydrogen Fuel Cell Air Compressor Spindles: Hydrogen fuel cell air compressors require extremely high-speed bearings like the S7011 CB/HCP4A to achieve optimal performance.
- Support for High-Speed Motor Rotors in Electric Vehicles: Electric vehicle motors often operate at very high speeds; this bearing supports their rotors efficiently, contributing to improved vehicle performance.
- Precision Transmission Systems in Wind Turbine Pitch Control: For wind turbines, where pitch control is critical, the S7011 CB/HCP4A ensures precise and reliable operation of transmission systems.
5. Medical and Life Science Instruments
- MRI Scanner Rotary Gantry (Non-Magnetic Stainless Steel Material): MRI scanners require non-magnetic materials for their rotating gantries. The S7011 CB/HCP4A made from non-magnetic stainless steel ensures smooth and precise rotation without interfering with imaging quality.
- Dental High-Speed Turbine Handpiece Bearings (300,000 rpm Class): Dental drills need high-speed, high-precision bearings to ensure smooth and efficient operation. The S7011 CB/HCP4A meets these demands.
- Centrifuge Rotor Support for Gene Sequencing Instruments: High-precision centrifuges used in gene sequencing rely on the S7011 CB/HCP4A for stable and accurate rotor support, essential for reliable genetic analysis.
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
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