7005 CDTP/HCP4B
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7005 CDTP/HCP4B
Basic Information
System of measurement
Metric
Weight
0.07 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.006mm to 0
Width
12 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
14
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2151 lbf
Radial static load rating
1170 lbf
Limiting speed
43 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:
$ 121.87
/ each
In Stock
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7005 CDTP/HCP4B Bearing Product Overview & Core Advantages
The 7005 CDTP/HCP4B is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single-row bearing features a 15° contact angle and is supplied with a preload, delivering superior running accuracy and high rigidity. Its construction with a phenolic cage and ceramic balls enables outstanding high-speed performance, making it ideal for machine tool spindles and other precision equipment where reliability under combined loads is critical.
7005 CDTP/HCP4B Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Optimized internal geometry for high-speed operation and low torque. |
| T | Phenolic (synthetic resin) cage, contributing to low weight and high-speed capability. |
| P | Indicates the bearing is supplied with a preload for enhanced rigidity. |
| HC | Hybrid Ceramic: Features ceramic balls for reduced friction, higher speed, and longer service life. |
| P4 (ABEC-7) | A super-precision tolerance class, ensuring extremely tight dimensional and running accuracy. |
7005 CDTP/HCP4B Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The combination of a 15° contact angle and an applied preload significantly increases system stiffness, minimizes deflection under load, and ensures exceptional running accuracy.
- Superior High-Speed Performance: The hybrid ceramic design with silicon nitride balls and a lightweight phenolic cage reduces centrifugal forces, lowers operating temperature, and allows for a very high limiting speed of 43,000 rpm.
- Extended Service Life: Ceramic balls are harder, lighter, and more wear-resistant than steel, leading to reduced friction and a dramatic increase in bearing life, especially in high-speed applications.
- Optimized for Precision Applications: Manufactured to P4 (ABEC-7) tolerance standards, this bearing guarantees minimal vibration and precise rotational performance critical for advanced machinery.
7005 CDTP/HCP4B Bearing Typical Application Areas
This high-precision angular contact ball bearing is ideally suited for applications where speed, accuracy, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy gearboxes.
- High-Frequency Spindles: PCB drilling and routing machines.
- Medical Equipment: Dental handpieces and high-speed centrifuges.
- Aerospace & Defense: Gyroscopes, navigation systems, and radar equipment.
