S7020 CE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7020 CE/HCP4ADGA
Basic Information
System of measurement
Metric
Weight
2.37 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
100 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
150 mm
Outside diameter tolerance
-0.004mm to 0
Width
48 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
27
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
16380 lbf
Radial static load rating
18000 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 924.88
/ each
In Stock
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S7020 CE/HCP4ADGA Bearing Product Overview & Core Advantages
The S7020 CE/HCP4ADGA is a precision double-row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. This high-rigidity bearing is designed to simultaneously support substantial combined loads (radial and bidirectional axial loads) due to its optimized contact angle and double-row design. Featuring a phenolic cage and ceramic balls, it delivers superior high-speed performance and extended service life. Manufactured to P4A tolerance class, it is an ideal solution for high-precision spindles and machinery where uncompromising performance is critical.
Model Code Breakdown
| Suffix Code | Technical Meaning |
|---|---|
| S7020 | Series and size designation (100mm bore, 150mm OD) |
| CE | Hybrid bearing with Ceramic balls for reduced friction and higher speed capability |
| HC | Phenolic Cage for lightweight, high-strength performance at high speeds |
| P4A | High-Precision Tolerance Class for applications requiring extreme running accuracy |
| A | Extra Light Preload for minimal friction and optimal high-speed operation |
| DGA | Sealed on both sides and pre-lubricated with high-performance grease |
S7020 CE/HCP4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double-row angular contact design provides superior rigidity and enables the bearing to handle significant combined radial and axial loads from both directions, making it suitable for complex loading conditions.
- Exceptional High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic balls reduces centrifugal forces, lowers operating temperature, and allows for a high limiting speed of 10,000 rpm.
- Precision & Longevity: Manufactured to a P4A tolerance class with a 15° contact angle, this bearing ensures precise shaft positioning and smooth operation. The sealed design with pre-applied grease offers long-term, maintenance-free operation in various environments.
- Universal Matchable (SU): These bearings are universally matchable, allowing for simplified mounting in pairs (back-to-back, face-to-face, or tandem) to create a pre-loaded set without the need for selective assembly, enhancing system stiffness and accuracy.
S7020 CE/HCP4ADGA Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles (CNC machining centers, grinding spindles)
- High-Speed Motors and Precision Gearboxes
- Industrial Pumps and Compressors
- Aerospace & Defense Systems
- Medical Equipment and Laboratory Instruments
