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{"title":"S7008 CE\/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7008 2RZ","imgUrl":"https:\/\/img.chinax.com\/nimg\/ed\/b2\/7405ddc7f8121712a4e9488c10ff-200x200-1\/s7008_ce_2fhcp4a_super_precision_single_row_angular_contact_ball_bearing_7008_2rz.jpg","attrs":{"Brand Name":"CNBTZC or OEM","Model Number":"S7008 CE\/HCP4A","Certification":"IATF16949:2016","Place of Origin":"China"}}
{"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"}}
71911 ACE/P4A 55×80×13 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Super-precision, high-speed E design, single row angular contact ball bearing
Product Specifications
Part Number
71911 ACE/P4A
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)
80 mm
Outer Bore Diameter Tolerance
-0.007mm to 0
Width (B)
13 mm
Width Tolerance
-0.2mm to 0
Specifications
Contact Angle
25° (15°, 40° Available)
Material
Chrome Steel
Cage Material
Phenolic
Number of Rows
1 Single Row
Seal Type
Open
Temperature Range
-30°C to 150°C
Lubrication
Oil, Grease
Tolerance Class
P4A better than P4 (ABEC-7)
Weight
0.17 kg
Matched Arrangement
No
Universal Matching Bearing
No
Preload
Not applicable
Load and Speed
Dynamic Radial Load
14600 N
Static Radial Load
10200 N
Reference Speed For Grease (r/min)
21,000 rpm
Limiting Speed For Oil (r/min)
32,000 rpm
Performance Features
Very tight tolerances suitable for precise machinery
Ability to handle both radial and axial loads simultaneously
High-speed operation with stability
Low torque and friction for energy efficiency
Enhanced rigidity for accuracy under heavy loads
Durability with extended service life
Effective performance across a wide temperature range
Applications
Machine Tool Spindles - CNC machines and spindle systems for grinding, milling, and turning operations
Industrial Robots & Automation - Robotic joints and precision reducers for accurate motion control
Medical & Semiconductor Equipment - CT/MRI scanners, wafer cutting spindles, and lithography motion stages
High-Speed Motors & Turbo Machinery - Electric spindles, turbo molecular pumps, and compressors
Certifications & Features
Certificates: RoHS & REACH, IATF16949:2016 Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity Services: OEM&ODM Customized Services, Online Support, Professional Service Sizes: Standard (Custom sizes available upon request) Factory Manufacturer: Yes
If you need more detailed information, feel free to ask!
Beining Intelligent Technology
Precision Bearings for High-Performance Industries
At Beining Intelligent Technology, we design and manufacture precision bearings for high-demand applications in:
CNC Machine Tool Spindles
Robotics
Motors
With a focus on quality, automation, and...
Beining Intelligent Technology
Precision Bearings for High-Performance Industries
At Beining Intelligent Technology, we design and manufacture precision bearings for high-demand applications in:
CNC Machine Tool Spindles
Robotics
Motors
With a focus on quality, automation, and...
