7007 ACE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7007 ACE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.13 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.006mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.007mm to 0
Width
14 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
17
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2498 lbf
Radial static load rating
1418 lbf
Limiting speed
56 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:
$ 178.9
/ each
In Stock
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7007 ACE/HCP4A Bearing Product Overview & Core Advantages
The 7007 ACE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and speed capability. This single-row bearing is distinguished by its ceramic ball construction and P4 (ABEC-7) tolerance class, ensuring superior performance in high-speed and high-rigidity scenarios. Its 25° contact angle is optimized to support significant combined loads, effectively handling both radial and axial forces. Preloaded and lubricated from the factory, it is ready for immediate installation, offering reliable, long-lasting operation.
7007 ACE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7007 | Standard bearing series designation, indicating a 35mm bore, 62mm OD, and 14mm width. |
| ACE | Signifies a 25° contact angle and that the bearing is preloaded for enhanced rigidity and precision. |
| HCP4A | Indicates a hybrid ceramic design (Hybrid), P4 super-precision tolerance, and a phenolic resin cage (A) for high-speed stability. |
7007 ACE/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction and heat generation, enabling a high limiting speed of 56,000 rpm. This also provides superior electrical resistance and longer service life.
- High Rigidity & Precision: The preload applied during manufacturing eliminates internal clearance, resulting in exceptional shaft positioning accuracy and system stiffness, critical for high-precision machining.
- Optimized Load Capacity: The 25° contact angle is engineered for optimal combined load support, making it highly effective for applications with significant radial and axial force components.
- High-Speed Phenolic Cage: The lightweight and robust phenolic resin cage ensures stable operation at extreme rotational speeds, guiding the ceramic balls with minimal friction and excellent dimensional stability.
- Precision Tolerances: Manufactured to P4 (ABEC-7) tolerance standards, this bearing guarantees minimal runout and vibration, which is essential for achieving superior surface finishes and machining accuracy.
7007 ACE/HCP4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance machinery where speed, precision, and rigidity are paramount. Key application fields include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC lathes.
- Precision Instrumentation: Measuring devices, optical scanners, and coordinate measuring machines (CMM).
- High-Frequency Motors: Spindles for PCB drilling and high-speed electric motors.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other critical rotational components.
