7020 CDTP/P4B
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7020 CDTP/P4B
Basic Information
System of measurement
Metric
Weight
1.26 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
100 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
150 mm
Outside diameter tolerance
-0.009mm to 0
Width
24 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° to 110 °C
Radial dynamic load rating
18720 lbf
Radial static load rating
19125 lbf
Limiting speed
8.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
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:
$ 1159.12
/ each
In Stock
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7020 CDTP/P4B Bearing Product Overview & Core Advantages
The 7020 CDTP/P4B is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. This P4 (ABEC-7) tolerance class bearing is designed to accommodate high combined loads, primarily thrust loads in one direction, making it ideal for machine tool spindles and other precision machinery. Its phenolic cage and optimized internal geometry contribute to superior high-speed performance and smooth operation.
7020 CDTP/P4B Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7020 | Standard bore diameter (100 mm) and outside diameter (150 mm) designation. |
| C | Specifies a 15° contact angle, optimized for high thrust load capacity. |
| DT | Indicates a matched pair arrangement of two single bearings for increased rigidity and moment load capacity. |
| P | Signifies that the bearing is supplied with a specific preload for enhanced stiffness and precise shaft positioning. |
| P4B | Denotes a high-precision tolerance class equivalent to ABEC-7, with enhanced running accuracy for demanding applications. |
7020 CDTP/P4B Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 15° contact angle and matched pair (DT) configuration provide superior stiffness, enabling the bearing to handle significant combined radial and axial loads with minimal deflection.
- Optimized High-Speed Performance: The lightweight phenolic resin cage ensures excellent dimensional stability and low friction at high rotational speeds, contributing to a limiting speed of 8,500 rpm.
- Precision Engineering: Manufactured to P4 tolerance standards, this bearing guarantees minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
- Preload for Enhanced Performance: The factory-applied preload (P) eliminates internal clearance, resulting in increased system rigidity, improved shaft guidance, and reduced noise and vibration levels.
7020 CDTP/P4B Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles (milling, grinding, and turning centers)
- High-Frequency Motor Spindles
- Precision Gearboxes
- Industrial Pumps and Compressors
- Medical and Laboratory Equipment
