7020 CD/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7020 CD/P4ADGA
Basic Information
System of measurement
Metric
Weight
2.53 kg
Tolerance class
P4A
Seal type
Open
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
15.875 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
30375 lbf
Radial static load rating
38250 lbf
Limiting speed
20 X 1000 rpm
Lubrication
Lubricated
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
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 596.42
/ each
In Stock
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7020 CD/P4ADGA Bearing Product Overview & Core Advantages
The 7020 CD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Operating under the stringent P4A tolerance class, this bearing is engineered to handle combined loads (radial and axial) simultaneously. Its Universal Matchable (SU) design allows for simplified mounting in preloaded pairs, delivering superior system stiffness and operational precision. The phenolic cage and optimized internal geometry contribute to its high-speed capabilities, making it an ideal solution for high-performance, high-reliability machinery.
7020 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
The model number 7020 CD/P4ADGA provides detailed technical specifications:
- 7020: Basic designation indicating a 100 mm bore, 150 mm OD, and 48 mm width.
- C: Denotes a 15° contact angle, optimized for high axial load capacity.
- D: Indicates the bearing is supplied as part of a Universal Matchable (SU) pair.
- P4A: Specifies the ultra-precision tolerance class, exceeding standard ABEC 7/ISO P4 levels for enhanced running accuracy.
- DGA: Indicates a specific preload level of Extra Light (Class A), ensuring minimal starting torque and optimal high-speed performance.
7020 CD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and ability to be mounted in a Universal Matchable (SU) pair provide exceptional system rigidity, enabling the bearing to sustain significant combined radial and axial loads.
- Precision & High-Speed Performance: Manufactured to P4A tolerance class and featuring a lightweight phenolic cage, this bearing achieves excellent running accuracy and a high limiting speed of 20,000 rpm.
- Optimized Internal Geometry: With a 15° contact angle, precision-ground chrome steel rings and balls, and a specified ball count and diameter, the bearing ensures smooth operation and long service life.
- Pre-lubricated & Ready for Use: The bearing is factory-lubricated, ensuring immediate operational readiness and reliable performance within its specified temperature range.
7020 CD/P4ADGA Bearing Typical Application Areas
This precision bearing is ideally suited for high-demand applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Aerospace & Defense Systems
- Medical & Laboratory Instrumentation
