S7005 ACDTP/HCP4B
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7005 ACDTP/HCP4B
Basic Information
System of measurement
Metric
Weight
0.07 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
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
25 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
14
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2077 lbf
Radial static load rating
1125 lbf
Limiting speed
40 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:
$ 146.57
/ each
In Stock
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S7005 ACDTP/HCP4B Bearing Product Overview & Core Advantages
The S7005 ACDTP/HCP4B is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This sealed bearing features a single, preloaded arrangement and is manufactured to a P4 (ABEC-7) tolerance class, ensuring minimal runout and superior rotational precision. Its core advantages include the ability to handle high combined loads due to a 25° contact angle, outstanding high-speed capabilities facilitated by a phenolic cage and ceramic balls, and long-term reliability with integrated sealing and lubrication.
S7005 ACDTP/HCP4B Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design, optimized for combined radial and axial loads. |
| DTP | Indicates a specific internal design and preload level for high rigidity and precise shaft positioning. |
| HC | Hybrid Ceramic, signifying the use of ceramic balls for reduced weight, higher speed, and longer life. |
| P4 | Corresponds to ABEC-7, denoting a very high precision class for ultra-smooth operation. |
S7005 ACDTP/HCP4B Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The preloaded, single bearing arrangement eliminates internal clearance, providing maximum stiffness and accurate shaft guidance, which is critical for high-precision machinery.
- Superior High-Speed Performance: The combination of lightweight phenolic cage and ceramic balls significantly reduces centrifugal forces, allowing for a high limiting speed of 40,000 rpm. This makes it an ideal high-speed bearing.
- Enhanced Durability and Life: Hybrid ceramic construction offers excellent wear resistance, lower operating temperature, and extended service life compared to all-steel bearings, especially in challenging environments.
- Maintenance-Free Operation: The sealed design with factory-applied lubrication protects against contamination and retains lubricant, ensuring consistent performance over a wide temperature range from -30° to 110°C.
S7005 ACDTP/HCP4B Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- High-Frequency Spindles for CNC machining centers and PCB drilling machines
- Precision Instrumentation and medical devices
- High-Speed Motors and turbochargers
- Advanced Robotics and automation equipment
