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{"title":"71903 ACD\/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/b5\/7991cdc0a85ecd064ed090914835-200x200-1\/71903_acd_2fhcp4a_super_precision_angular_contact_ball_bearing_with_17_mm_bore_diameter_p4a_precision_grade_and_hybrid_ceramic_bal.jpg","attrs":{"Structure":"Angular Contact","Delivery Time":"2-4 weeks","Part Number":"71903 ACD\/HCP4A Angular Contact Ball Bearing","Lubrication":"Grease,Oil"}}
{"title":"71910 ACD\/P4A Super Precision Single Row Angular Contact Ball Bearing with","imgUrl":"https:\/\/img.chinax.com\/nimg\/66\/4d\/846e0eaeb6ee849f1df52890ce7a-200x200-1\/71910_acd_2fp4a_super_precision_single_row_angular_contact_ball_bearing_with_50x72x12_mm_dimensions_and_high_static_load_capacity.jpg","attrs":{"Structure":"Angular Contact","Lubrication":"Grease,Oil","Part Number":"71910 ACD\/P4A Angular Contact Ball Bearing","Brand Name":"CNBTZC or OEM"}}
{"title":"7000 ACE\/P4A Super Precision High Speed Single Row Angular Contact Ball Bearing","imgUrl":"https:\/\/img.chinax.com\/nimg\/a1\/19\/083862c653ebcbcd6e6031fa9611-200x200-1\/7000_ace_2fp4a_super_precision_high_speed_single_row_angular_contact_ball_bearing_with_p4a_precision_grade_and_10_2a26_2a8_mm_dime.jpg","attrs":{"Brand Name":"CNBTZC or OEM","Model Number":"7000 ACE\/P4A","Certification":"IATF16949:2016","Place of Origin":"China"}}
S7011 CB/P4A Single Row Angular Contact Bearing 7011 2RZ
7011 CB/P4A 55×90×18 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing High Speed
Super-precision, high-speed B design, single row angular contact ball bearing. The 7011 CB/P4A bearing features precise dimensions, high static load capacity, P4A precision grade, and delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
Part Number
7011 CB/P4A
Bearing Type
Angular Contact
Measurement Unit
Metric
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
Contact Angle
15° (25°, 40° Available)
Material
Chrome Steel
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
0.42 kg
Dynamic Radial Load
14000 N
Static Radial Load
11000 N
Reference Speed For Grease
22,000 rpm
Limiting Speed For Oil
32,000 rpm
Performance Features
The S7011 CB/P4A bearing, engineered for high-performance applications, features P4A grade precision and 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
As a high-precision angular contact ball bearing, the S7011 CB/P4A is widely used in various industrial applications:
Ultra-Precision Machine Tools: High-speed spindles in CNC machining centers and grinders for speeds above 10,000 RPM and sub-micron accuracy; motorized spindles that reduce vibration and improve surface finish.
Semiconductor & Electronics Manufacturing: Lithography stages ensuring nanometer-level precision for wafer exposure and inspection; vacuum applications with stainless steel or ceramic bearings.
Aerospace & Defense: Engine components for fuel pumps and turbochargers in extreme temperatures (-50°C to 300°C); guidance systems with ultra-low friction bearings for gyroscopes and navigation devices.
Industrial Robots & Cobots: Dynamic joints supporting high-frequency motion and repeatable accuracy (±0.01mm) in robotic arms; torque control enabling precise force feedback in collaborative robots.
New Energy & Electric Vehicles: Hydrogen compressors with corrosion-resistant bearings; E-drive motors designed for 800V platforms with high power density and shock load resistance.
Medical Imaging & Surgery: CT/MRI scanners with low-noise, non-magnetic bearings for rotating gantries; surgical robots with high-precision transmission bearings for orthopedic tools.
High-Speed Turbomachinery: Micro gas turbines for distributed energy systems with speeds over 50,000 RPM and long-life lubrication; centrifugal compressors for efficient support in refrigeration and gas processing.
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!
Beining Intelligent Technology (Zhejiang) Co., Ltd. (formerly Ningbo Beining Bearing Co., Ltd.), established in February 2013, is a modern high-tech enterprise specializing in the research, development, design, and precision manufacturing of high-performance bearings.
Operating from a 30,000 m²...
Beining Intelligent Technology (Zhejiang) Co., Ltd. (formerly Ningbo Beining Bearing Co., Ltd.), established in February 2013, is a modern high-tech enterprise specializing in the research, development, design, and precision manufacturing of high-performance bearings.
Operating from a 30,000 m²...
