7001 ACD/P4ADFC
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7001 ACD/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
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
10
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1580 lbf
Radial static load rating
821 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 ACD/P4ADFC Bearing Product Overview & Core Advantages
The 7001 ACD/P4ADFC is a precision duplex pair of angular contact ball bearings designed for applications demanding exceptional rotational accuracy and rigidity. This matched Face-to-Face (DF) arrangement is preloaded to Moderate / Class C specifications, ensuring minimal axial and radial play for superior system stability. Engineered to a P4A tolerance class, it is ideal for high-precision, high-speed spindles and other machinery where controlling deflection under combined loads is critical.
7001 ACD/P4ADFC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance |
|---|---|---|
| A | 25° Contact Angle | Optimized for carrying significant axial loads in combination with radial loads. |
| C | Moderate Preload (Class C) | Provides enhanced rigidity and precise shaft positioning, reducing system vibration. |
| D | Duplex Face-to-Face (DF) Pair | A matched set of two bearings supplied as a pre-configured unit for simplified installation and optimal performance. |
| P4A | High Precision Tolerance Class | Guarantees extremely tight dimensional and running accuracy for superior performance in precision applications. |
| FC | Phenolic Cage | A lightweight, robust cage material ideal for high-speed operation, offering low friction and good dimensional stability. |
7001 ACD/P4ADFC Bearing Structural Features & Performance Benefits
- High Rigidity & System Stability: The duplex DF arrangement with a defined preload creates a highly rigid bearing system that effectively resists operational deflection, maintaining accuracy under demanding combined loads.
- Superior Load Capacity: The 25° contact angle is engineered to support substantial axial loads from both directions, in addition to high radial loads, making it versatile for complex loading conditions.
- Optimized High-Speed Performance: The lightweight phenolic cage (FC) minimizes centrifugal forces and friction, contributing to the high limiting speed of 110,000 rpm. The open design and factory lubrication ensure optimal lubricant flow for cool running.
- Precision Engineering: Manufactured to P4A tolerances with extremely tight dimensional control on the bore diameter, outside diameter, and width, ensuring predictable and precise performance in the most demanding applications.
7001 ACD/P4ADFC Bearing Typical Application Areas
This precision bearing pair is ideally suited for:
- High-Speed Machine Tool Spindles (e.g., milling, grinding)
- Precision Rotary Tables and Indexing Heads
- High-Frequency Spindles for PCB drilling and routing
- Medical and Dental Handpiece Drives
- Advanced Robotics and Automation Arms
