S7024 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7024 CD/HCP4A
Basic Information
System of measurement
Metric
Weight
1.78 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
120 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
180 mm
Outside diameter tolerance
-0.01mm to 0
Width
28 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
19.05 mm
Ball quantity
22
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
25650 lbf
Radial static load rating
27450 lbf
Limiting speed
8.5 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:
$ 1835.21
/ each
In Stock
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S7024 CD/HCP4A Bearing Product Overview & Core Advantages
The S7024 CD/HCP4A is a high-precision, single-row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. Its core advantages stem from its P4 (ABEC-7) tolerance class and the use of ceramic balls, which significantly enhance operational capabilities. This bearing is designed to support high combined loads, primarily handling thrust loads in one direction while accommodating substantial radial loads. Its compact design, featuring a 15° contact angle, provides high rigidity and is ideally suited for high-speed, high-reliability machinery where precision is paramount.
Model Code Breakdown
| Suffix Code | Technical Meaning |
|---|---|
| S7024 | Standard bearing series and size designation (Bore: 120mm, OD: 180mm, Width: 28mm). |
| C | Specifies a 15° contact angle. |
| D | Indicates the bearing is supplied with a preload for enhanced rigidity and rotational accuracy. |
| HC | Signifies the use of Hybrid Ceramic balls, offering superior speed and longevity. |
| P4A | Denotes a P4 (ABEC-7) tolerance class, ensuring ultra-high precision and running accuracy. |
S7024 CD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls reduces centrifugal forces, lowers operating temperatures, and enables a limiting speed of 8,500 rpm. This construction also provides excellent resistance to wear and electrical arcing.
- High Rigidity & Preload: The bearing is supplied with a preload (suffix D), which eliminates internal clearance. This results in superior stiffness and precise shaft positioning, critical for applications with minimal deflection requirements.
- Precision & Load Capacity: Manufactured to P4 tolerance, this bearing ensures smooth, quiet operation and minimal runout. It offers a high dynamic load rating of 25,650 lbf and a static load rating of 27,450 lbf, making it robust for significant combined loads.
- Phenolic Cage & Sealed Design: The lightweight and robust phenolic cage is ideal for high-speed operation. The sealed design retains lubrication and protects against contamination, ensuring long service life and reduced maintenance.
S7024 CD/HCP4A Bearing Typical Application Areas
This high-performance precision bearing is ideally suited for:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and lathes.
- High-Speed Motors and Drives: Where low friction, high rigidity, and extended life are critical.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instruments.
- Medical Equipment: High-speed dental handpieces and surgical drill motors.
- Precision Robotics: Joints and actuators requiring high accuracy and responsiveness.
