7009 ACD/HCP4A 45*75*16 mm Super Precision High Capacity Single Row Angular Contact
Ball Bearing Ceramic Balls High Speed
Super-precision, high-capacity B design, single row angular contact
ball bearing
The 7009 ACD/HCP4A bearing,bore diameter is 45 mm, outside diameter
is 75 mm,width is 16 mm,featuring precise dimensions, high static
load capacity, P4A precision grade, and hybrid ceramic balls,
delivers superior performance and reliability for applications
requiring high rotational accuracy and stability.
| Part Number | 7009 ACD/HCP4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | 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 |
| Specifications | Contact Angle | 25° (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 | 0.2kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 27600 N |
| Static Radial Load | 21600 N |
| Reference Speed For Grease (r/min) | 20,000 rpm |
| Limiting Speed For Oil(r/min) | 32,000 rpm |
What's the Performance Features of 7009 ACD/HCP4A Bearing?
The 7009 ACD/HCP4A bearing, engineered for high-performance
applications, features P4A grade precision, 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.
What's the Applications of the 7009 ACD/HCP4A Bearing?
The 7009 ACD/HCP4A bearing, as a precision angular contact ball
bearing , is widely used across various industrial fields due to
its high precision, high-speed capability, and hybrid ceramic ball
design. Below is its main application areas:
1. Precision Machine Tools and Processing Equipment
Suitable for high-precision rotating components such as machine
tool spindles, gear milling machines, and CNC machining centers,
capable of withstanding combined radial and axial loads during
high-speed cutting .
For example, in precision grinding spindle applications, the
P4-grade tolerance and 25° contact angle of this bearing ensure
machining accuracy.
2. Material Testing and Inspection Equipment
Used in material testing machines, fatigue testing machines, and
other scenarios requiring high stability and low friction. Its
hybrid ceramic ball structure reduces heat generation and improves
the reliability of test data.
3. Industrial Transmission and Power Systems
Commonly found in the drive shafts of equipment such as tractors,
ventilators, and adhesive binding machines. Its sealed design
(e.g., HC suffix) can withstand dusty environments, extending
maintenance intervals.
4. Automation and Robotics
5. Special Industrial Environment Equipment
Includes equipment such as dustproof fabric production machines,
ultrasonic welders, and chemical pumps. The bearing's sealing
properties and corrosion resistance make it suitable for humid or
chemically corrosive environments .
| 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!
