7001 CD/P4ADFC
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7001 CD/P4ADFC
Basic Information
System of measurement
Metric
Weight
0.042 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
28 mm
Outside diameter tolerance
-0.004mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
10
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1638 lbf
Radial static load rating
855 lbf
Limiting speed
110 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Face-to-Face (DF)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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7001 CD/P4ADFC Bearing Product Overview & Core Advantages
The 7001 CD/P4ADFC is a duplex pair of precision angular contact ball bearings in a Face-to-Face (DF) arrangement. This configuration is engineered to provide exceptional high rigidity and stability, making it ideal for applications requiring high running accuracy. The bearings are manufactured to a P4A tolerance class, ensuring superior dimensional and rotational precision. Pre-loaded to Moderate / Class C, this matched set is ready for immediate installation, offering reliable performance in handling combined loads and bidirectional axial thrust.
7001 CD/P4ADFC Bearing Model Code Explained, Specifications & Naming Convention
The model number 7001 CD/P4ADFC breaks down as follows:
- 7001: Basic series designation, indicating a 12mm bore and 28mm outside diameter.
- C: Denotes a 15° contact angle, optimized for high-speed operation and moderate axial load capacity.
- D: Indicates the bearings are a duplex pair (a matched set of two bearings).
- P4A: Specifies the tolerance class, representing very high precision for both dimensional and running accuracy.
- DF: Designates the Face-to-Face mounting arrangement, which provides high moment rigidity.
- C: Indicates the Moderate / Class C preload applied to the matched set.
7001 CD/P4ADFC Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex DF arrangement creates a rigid bearing system that effectively resists moment loads, ensuring precise shaft positioning and minimal deflection under operational stresses.
- Combined Load Capacity: The 15° contact angle enables the bearing to efficiently support significant radial loads alongside bidirectional axial loads.
- High-Speed Performance: The lightweight phenolic resin cage and optimized internal geometry contribute to low friction and stable operation at high rotational speeds, with a limiting speed of 110,000 rpm.
- Precision Engineering: Manufactured to P4A tolerance class with tight bore, outside diameter, and width tolerances, this bearing guarantees high running accuracy and consistent performance in demanding applications.
- Pre-lubricated & Ready-to-Use: The bearings come lubricated from the factory, simplifying installation and ensuring immediate, reliable operation.
7001 CD/P4ADFC Bearing Typical Application Areas
This high-precision duplex bearing set is ideally suited for:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Medical and Dental Handpieces
- Aerospace Actuators and Control Systems
