7001 CD/P4ADBB
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7001 CD/P4ADBB
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 Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
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
Price available upon request.
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7001 CD/P4ADBB Bearing Product Overview & Core Advantages
The 7001 CD/P4ADBB is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and rigidity. This duplex back-to-back (DB) arrangement consists of two matched bearings, preloaded to deliver superior high rigidity and stability under combined loads. Manufactured to the exacting P4A tolerance class, it is engineered for high-speed operation and precise rotational performance in compact spaces, making it an ideal solution for high-reliability machinery.
7001 CD/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| C | 15° Contact Angle |
| D | Duplex Back-to-Back (DB) Matched Arrangement |
| P4A | High Precision Tolerance Class (exceeding ABEC 7) |
| DBB | Duplex Back-to-Back pairing with Light Preload (Class B) |
7001 CD/P4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back configuration with light preload creates a rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise shaft positioning.
- Superior Load Capacity: The angular contact design with a 15° contact angle is optimized to handle combined radial and axial loads simultaneously.
- High-Speed Performance: The lightweight phenolic resin cage and optimized internal geometry contribute to low friction and enable a high limiting speed of 110,000 rpm, making it suitable for high-speed spindles.
- Precision & Accuracy: Manufactured to P4A tolerance class with tight dimensional controls on bore, outside diameter, and width, this bearing guarantees minimal runout and smooth, accurate rotation.
7001 CD/P4ADBB Bearing Typical Application Areas
This bearing is specifically designed for high-precision, high-speed applications, including:
- Machine Tool Spindles
- High-Frequency Machining Centers
- Precision Grinding Spindles
- High-Speed Motors
- Medical and Dental Handpieces
- Aerospace Instrumentation
