7009 ACE/HCP4BVG275
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7009 ACE/HCP4BVG275
Basic Information
System of measurement
Metric
Weight
0.22 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.006mm to 0
Outside diameter
75 mm
Outside diameter tolerance
-0.007mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
21
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2722 lbf
Radial static load rating
1834 lbf
Limiting speed
29 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 251.85
/ each
In Stock
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7009 ACE/HCP4BVG275 Bearing Product Overview & Core Advantages
The 7009 ACE/HCP4BVG275 is a premium single-row angular contact ball bearing engineered for high-precision applications requiring exceptional speed capabilities and rigid support. This precision bearing features a 25° contact angle and is preloaded, enabling it to handle significant combined loads (radial and axial) simultaneously. Its construction with ceramic balls and a phenolic cage contributes to lower friction, higher limiting speeds, and reduced weight, making it ideal for demanding, high-RPM environments where reliability is critical.
7009 ACE/HCP4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | Indicates a specific internal design optimized for high-speed operation and precise contact angle control. |
| HC | Refers to the Hybrid Ceramic construction, featuring steel rings and ceramic balls for enhanced performance. |
| P4 | Denotes the tolerance class P4 (ABEC-7), signifying extremely high dimensional and running accuracy. |
| BVG275 | Specifies a high-performance, pre-applied lubrication suitable for the specified temperature range. |
7009 ACE/HCP4BVG275 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single-row angular contact design with a 25° contact angle and preload provides superior axial and radial stiffness, ensuring minimal deflection under load for maximum machining or operational accuracy.
- Enhanced Speed and Durability: The combination of a lightweight phenolic cage and low-density ceramic balls reduces centrifugal forces, enabling a very high limiting speed of 29,000 rpm. This hybrid ceramic design also offers improved resistance to wear and a longer service life.
- Optimized Load Capacity: Engineered to support high dynamic and static load ratings, this bearing efficiently manages combined loads in high-performance applications.
- Pre-Lubricated for Immediate Use: The bearing is factory-filled with a specialized grease (BVG275), making it ready for installation and operation within its specified temperature range without initial maintenance.
7009 ACE/HCP4BVG275 Bearing Typical Application Areas
This high-performance angular contact bearing is ideally suited for:
- High-Speed Machine Tool Spindles
- Precision Grinding Spindles
- High-Frequency Motors and Spindles
- Aerospace Actuation Systems
- Advanced Robotics and Automation
