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7009 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing
7009 CD/HCP4A 45×75×16 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing with Ceramic Balls for High Speed Applications
Super-precision, high-capacity B design, single row angular contact ball bearing
The 7009 CD/HCP4A bearing features a bore diameter of 45 mm, outside diameter of 75 mm, and width of 16 mm. With 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.
Technical Specifications
Part Number
7009 CD/HCP4A
Bearing Type
Angular Contact
Measurement Unit
Metric
Inner Bore Diameter (d)
45 mm
Inner Bore Diameter Tolerance
-0.006mm to 0
Outer Bore Diameter (D)
75 mm
Outer Bore Diameter Tolerance
-0.007mm to 0
Width (B)
16 mm
Width Tolerance
-0.2mm to 0
Contact Angle
15° (25°, 40° Available)
Material
Hybrid (Chrome Steel Rings, Ceramic Balls)
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
0.2 kg
Matched Arrangement
No
Universal Matching Bearing
No
Preload
Not applicable
Dynamic Radial Load
28600 N
Static Radial Load
22400 N
Reference Speed For Grease (r/min)
22,000 rpm
Limiting Speed For Oil (r/min)
34,000 rpm
Performance Features
The 7009 CD/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
The 7009 CD/HCP4A bearing, a precision angular contact ball bearing, is known for its high speed, high load capacity, and high precision. It is widely used across various industrial applications:
Machine Tool Equipment
High-Precision Machining Equipment: Suitable for spindles in high-speed milling machines, machining centers, lathes, and grinders, providing high rigidity and stability
Tool Posts and Transmission Systems: Commonly used in machine tool tool posts, quenching machines, and tubular heat exchangers for precise transmission components
Industrial Machinery
Welding and Heat Treatment Equipment: Applied in AC welders, resistance welders, manual welders, mesh belt furnaces, and flash dryers, which operate in high-temperature or high-frequency vibration environments
Packaging and Chemical Equipment: Used in packaging machinery, chemical mixing equipment, steelmaking machinery, and nonwoven fabric machines for continuous operation
Construction and Engineering Machinery: Compatible with agricultural machinery, construction equipment, pipe welding machines, and laser cutting machines for heavy-duty use
Special Industry Applications
Medical and Laboratory Equipment: Used in surgical instruments, laboratory mixers, and antennae potential testing devices, where high cleanliness is required
Textile and Printing Machinery: Suitable for needle detection equipment, die-cutting machines, plate-making machines, and industrial fabric production in precision processing fields
Energy and Environmental Protection Equipment: Applied in reactors, heaters, packed towers, and foaming equipment for chemical and environmental systems
Other Applications
Transportation: Used in automotive mufflers, wheel hub bearings, and more
General Machinery: Supports workbenches, magnetic pumps, rolling mills, slewing bearings, and other general-purpose machinery
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
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...
