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Home > Products > Precision Ball Bearings > 7011 CB/P4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade High Speed 32,000 rpm Chrome Steel

7011 CB/P4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade High Speed 32,000 rpm Chrome Steel

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 7011 CB/P4A

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 2-4 weeks

Payment Terms: L/C,T/T

Supply Ability: 100000pcs per month

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7011 CB/P4A

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2RZ Super Precision Angular Contact Bearings

Part Number:
7011 CB/P4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Open (2RZ Available)
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease,Oil
Replaceable With:
SKF, NSK 7011CTRP4
Coating:
Without
Sealing:
Without
Design:
High-speed B
Contact Type:
Normal Contact (two-point Contact)
Part Number:
7011 CB/P4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Open (2RZ Available)
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease,Oil
Replaceable With:
SKF, NSK 7011CTRP4
Coating:
Without
Sealing:
Without
Design:
High-speed B
Contact Type:
Normal Contact (two-point Contact)
7011 CB/P4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade High Speed 32,000 rpm Chrome Steel
2RZ 7011 CB/P4A Super Precision Angular Contact Bearings
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 a bore diameter of 55 mm, outside diameter of 90 mm, and width of 18 mm. With precise dimensions, high static load capacity, and P4A precision grade, it 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
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: Chrome Steel
Cage Material: Phenolic
Number of Rows: 1 Single Row
Seal Type: Open
Temperature Range: -30°C to 150°C
Lubrication: Grease or Oil
Tolerance Class: P4A (better than P4)
Weight: 0.42 kg
Matched Arrangement: No
Universal Matching Bearing: No
Preload: Not applicable
Load and Speed Dynamic Radial Load: 14,000 N
Static Radial Load: 11,000 N
Reference Speed For Grease: 22,000 rpm
Limiting Speed For Oil: 32,000 rpm
7011 CB/P4A Super Precision Angular Contact Bearing Close-up view of 7011 CB/P4A bearing components
Performance Features of 7011 CB/P4A Bearing
The 7011 CB/P4A bearing is engineered for high-performance applications, featuring 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 of the 7011 CB/P4A Bearing
As a high-precision angular contact ball bearing, the 7011 CB/P4A is widely used in various industrial applications:
  • Machine Tool Industry - Spindle systems in machining centers, CNC lathes, grinders, and milling machines; precision rotary tables for indexing heads and rotary tables
  • Industrial Robotics - Joint mechanisms in robotic arms, wrists, and rotating axes; integration with harmonic drives and precision reducers
  • Aerospace - Aircraft engines supporting high-speed components in turbines and APUs; navigation systems in gyroscopes and inertial guidance systems
  • Precision Instruments - Optical equipment for semiconductor lithography machines and microscopes; measurement tools in CMMs and laser scanning systems
  • Automotive Industry - High-performance drivetrains in motorsport transmissions and motor shafts for EVs/HEVs; e-drive systems in electric and hybrid vehicle powertrains
  • Medical Devices - Imaging systems in CT/MRI scanner gantries; surgical tools including high-speed dental drills and orthopedic instruments
  • Energy Sector - Turbomachinery in small gas turbines and high-speed compressors; wind turbines for pitch control systems and generator bearings
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 (custom sizes available upon request)
Factory Manufacturer Yes
If you need more detailed information, feel free to ask!
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