S7001 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7001 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.018 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
28 mm
Outside diameter tolerance
-0.005mm to 0
Width
8 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
10
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
981 lbf
Radial static load rating
412 lbf
Limiting speed
70 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:
$ 80.98
/ each
In Stock
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S7001 ACD/HCP4A Bearing Product Overview & Core Advantages
The S7001 ACD/HCP4A is a high-precision angular contact ball bearing engineered for applications demanding exceptional accuracy and performance. This single-row bearing is distinguished by its ceramic balls and P4 (ABEC-7) super-precision tolerance class, making it ideal for high-speed, high-rigidity scenarios. Its primary advantage lies in its ability to accommodate combined radial and axial loads simultaneously, facilitated by a 25° contact angle. The combination of a phenolic cage and pre-lubrication ensures smooth operation at limiting speeds up to 70,000 rpm, offering a compact and reliable solution for the most demanding machinery.
S7001 ACD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACD | Optimized internal geometry for high-speed operation and low torque. | Enhances high-speed performance and reduces friction. |
| HC | Hybrid Ceramic construction (Steel rings with Ceramic balls). | Provides higher speed capability, reduced weight, and longer service life. |
| P4A | Enhanced P4 (ABEC-7) tolerance class with specific running accuracy requirements. | Guarantees superior running accuracy and positional precision for critical applications. |
S7001 ACD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The use of ceramic balls with steel rings significantly reduces centrifugal forces, enabling higher limiting speeds, providing electrical insulation, and offering superior performance in lubricant-starved conditions.
- High Rigidity & Load Capacity: The 25° contact angle and robust internal design provide excellent resistance to combined loads, ensuring stable operation under demanding conditions.
- Super-Precision Performance: Manufactured to P4 (ABEC-7) tolerance standards, this bearing delivers minimal runout and vibration, which is critical for applications requiring extreme positional accuracy.
- Optimized High-Speed Operation: The lightweight phenolic cage is designed for high-speed stability, while the pre-lubrication ensures immediate and reliable performance from startup.
- Sealed & Pre-Lubricated: The sealed design retains lubricant and excludes contaminants, contributing to extended service life and reduced maintenance needs in a compact bearing size (12mm bore x 28mm OD x 8mm width).
S7001 ACD/HCP4A Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance applications, including:
- High-Speed Machine Tool Spindles
- Precision Robotics and Automation Equipment
- Dental and Medical Handpieces
- Aerospace Instrumentation and Actuators
- High-Frequency Motors and Spindles
