7007 CE/HCP4ALDT
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7007 CE/HCP4ALDT
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 Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
In Stock
Price available upon request.
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7007 CE/HCP4ALDT Bearing Product Overview & Core Advantages
The 7007 CE/HCP4ALDT is a precision angular contact ball bearing designed for demanding applications requiring exceptional performance. This duplex tandem (DT) arrangement bearing set delivers superior high rigidity and is optimized for handling primarily axial loads in one direction. Manufactured to P4A tolerance class, it ensures outstanding running accuracy. The combination of a ceramic ball material and phenolic cage enables superior high-speed performance, making it an ideal solution for high-precision, high-reliability machinery where uncompromising performance is critical.
7007 CE/HCP4ALDT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates the use of Ceramic (Si3N4) balls, which reduce centrifugal forces, lower operating temperatures, and enhance speed capability. |
| HC | Refers to the Phenolic (Hybrid Composite) cage, offering excellent strength-to-weight ratio and guidance at high speeds. |
| P4A | Denotes a high-precision tolerance class with very tight dimensional and running accuracy specifications. |
| L | Signifies that the bearing is Lubricated from the factory. |
| DT | Specifies a Duplex Tandem preloaded arrangement, where two bearings are mounted together to increase axial load capacity and rigidity in one direction. |
7007 CE/HCP4ALDT Bearing Structural Features & Performance Benefits
- Enhanced Rigidity and Load Capacity: The duplex tandem (DT) arrangement combines two bearings to create a highly rigid unit capable of supporting significant axial loads in one direction. This configuration is essential for applications requiring minimal shaft deflection.
- Superior High-Speed Performance: The hybrid construction, featuring ceramic balls and a lightweight phenolic cage, significantly reduces rotating mass and centrifugal forces. This design directly contributes to a higher limiting speed (56,000 rpm) and lower operating temperatures.
- Precision Engineering: Manufactured to P4A tolerance class, this bearing guarantees exceptional dimensional stability and running accuracy, which is critical for applications like machine tool spindles.
- Optimized Preload: The bearings are supplied as a preloaded set, eliminating the need for complex adjustment during installation and ensuring consistent, immediate performance from startup.
7007 CE/HCP4ALDT Bearing Typical Application Areas
- High-Speed Machine Tool Spindles
- Precision Grinding Spindles
- High-Frequency Machining Centers
- Advanced Dental and Medical Handpieces
- Aerospace Instrumentation and Test Rigs
