7020 ACD/P4ATGA
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7020 ACD/P4ATGA
Basic Information
System of measurement
Metric
Weight
3.79 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
72 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
15.875 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
38700 lbf
Radial static load rating
54000 lbf
Limiting speed
16 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
3
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:
$ 434.32
/ each
In Stock
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7020 ACD/P4ATGA Bearing Product Overview & Core Advantages
The 7020 ACD/P4ATGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing is engineered to handle combined loads with high reliability. Its extra light preload (Class A) ensures minimal deflection under operational stresses, making it ideal for high-speed spindles and precision machinery. The universal matchable (SU) design allows for flexible mounting configurations in sets, providing superior system stability.
7020 ACD/P4ATGA Bearing Model Code Explained, Specifications & Naming Convention
The model number 7020 ACD/P4ATGA provides detailed technical specifications:
- 7020: Standard designation for a 100mm bore, 150mm OD bearing.
- A: Denotes a 25° contact angle, optimized for supporting high axial loads.
- CD: Indicates a universal matchable (SU) bearing designed for duplex mounting (DB, DF, or DT arrangements).
- P4A: Specifies the tolerance class, indicating very high running accuracy and dimensional precision.
- TGA: Likely refers to specific manufacturing or material treatment processes (consult manufacturer datasheet for full details).
7020 ACD/P4ATGA Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The angular contact design and P4A tolerance class deliver exceptional running accuracy and stiffness, critical for applications requiring minimal runout.
- Superior Load Capacity: With a 25° contact angle and robust construction, this bearing effectively supports combined radial and axial loads.
- High-Speed Capability: The phenolic cage and optimized internal geometry contribute to stable operation at high rotational speeds, with a limiting speed of 16,000 rpm.
- Universal Matching: The SU designation allows bearings to be universally matched in sets of three, enabling preloaded configurations (DB, DF, DT) for enhanced system rigidity without selective mounting.
- Durable Construction: Components made from chrome steel ensure high fatigue life and durability under demanding conditions.
7020 ACD/P4ATGA Bearing Typical Application Areas
This high-precision bearing is ideally suited for:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Industrial Pumps and Compressors
- Aerospace Positioning Systems
- Medical and Laboratory Equipment
