7007 CE/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7007 CE/HCP4ADBA
Basic Information
System of measurement
Metric
Weight
0.27 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.004mm to 0
Width
28 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
4185 lbf
Radial static load rating
2970 lbf
Limiting speed
56 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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7007 CE/HCP4ADBA Bearing Product Overview & Core Advantages
The 7007 CE/HCP4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This duplex back-to-back (DB) matched set features a P4A tolerance class and ceramic ball construction, enabling superior high-speed performance and extended service life. Its configuration is engineered to handle combined loads—significant radial and axial loads in both directions—simultaneously, making it ideal for high-precision, high-reliability machinery where positional accuracy is critical.
7007 CE/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates a specific internal design and clearance optimized for the matched set. |
| HC | Signifies the use of Hybrid Ceramic balls (Silicon Nitride), which reduce friction, heat generation, and wear. |
| P4A | Denotes an ultra-precision tolerance class exceeding ABEC 7, ensuring minimal runout and vibration. |
| DB | Specifies the Duplex Back-to-Back mounting arrangement, providing high moment stiffness. |
| A | Indicates an Extra Light Preload, minimizing deflection under light loads for maximum precision. |
7007 CE/HCP4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Moment Load Capacity: The duplex back-to-back (DB) arrangement creates a wide, rigid support system that effectively resists moment loads and shaft misalignment, ensuring exceptional operational stability.
- Superior High-Speed Performance: The combination of lightweight phenolic resin cage and low-density ceramic balls significantly reduces centrifugal forces, allowing for a high limiting speed of 56,000 rpm. This makes it an excellent high-speed bearing solution.
- Enhanced Durability and Longevity: Hybrid ceramic balls are harder and smoother than steel, leading to dramatically reduced wear, lower operating temperatures, and a longer service life, especially in contaminated or poorly lubricated environments.
- Precision Operation: Manufactured to P4A tolerance class with a controlled contact angle of 15°, this bearing delivers extremely low noise and vibration levels, which is critical for maintaining accuracy in sensitive applications.
7007 CE/HCP4ADBA Bearing Typical Application Areas
This high-performance bearing set is ideally suited for:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC milling machines.
- Precision Instrumentation: High-frequency spindles for PCB drilling, coordinate measuring machines (CMM).
- Aerospace & Defense Systems: Gyroscopes, radar systems, and auxiliary power units (APUs).
- High-Frequency Motors: Spindles for routers and dental handpieces.
