7202 ACD/P4ADFC
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7202 ACD/P4ADFC
Basic Information
System of measurement
Metric
Weight
0.086 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
15 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
35 mm
Outside diameter tolerance
-0.004mm to 0
Width
22 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
10
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
2632 lbf
Radial static load rating
1440 lbf
Limiting speed
95 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
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In Stock
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7202 ACD/P4ADFC Bearing Product Overview & Core Advantages
The 7202 ACD/P4ADFC is a precision duplex angular contact ball bearing specifically designed for applications requiring exceptional rotational accuracy and rigidity. This matched pair in a Face-to-Face (DF) arrangement is preloaded to Moderate / Class C, delivering high system stiffness and superior running accuracy. Its primary advantage lies in its ability to handle combined radial and axial loads simultaneously, making it an ideal solution for high-precision, high-reliability machinery where minimal deflection and precise shaft positioning are critical.
7202 ACD/P4ADFC Bearing Model Code Explained, Specifications & Naming Convention
The model number 7202 ACD/P4ADFC is decoded as follows:
- 7202: Basic series designation for a 15mm bore, 35mm OD angular contact ball bearing.
- A: Denotes a 25° contact angle, optimized for supporting higher axial loads.
- CD: Indicates a duplex pair with a specific preload (Moderate / Class C).
- P4A: Specifies a very high tolerance class (superior to ABEC 7), ensuring extreme dimensional and running accuracy.
- DF: Specifies the Face-to-Face mounting arrangement.
- C: Confirms the Moderate preload level.
7202 ACD/P4ADFC Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The duplex DF arrangement and moderate preload create an exceptionally rigid bearing system that minimizes axial and radial play, ensuring precise shaft guidance and reduced vibration under load.
- Superior Load Capacity: The 25° contact angle and optimized internal geometry provide excellent performance under combined radial and axial loads from both directions.
- High-Speed Capability: The lightweight phenolic resin cage ensures stable operation and reduced centrifugal forces, contributing to the high limiting speed of 95,000 rpm.
- Precision Engineering: Manufactured to P4A tolerance class, this bearing guarantees tight dimensional control and superior running accuracy for the most demanding applications.
- Material Quality: Constructed from chrome steel for rings and balls, providing high hardness, wear resistance, and long service life.
7202 ACD/P4ADFC Bearing Typical Application Areas
This high-precision duplex bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Where accurate shaft alignment and minimal deflection are paramount.
- High-Frequency Spindles: PCB drilling, dental handpieces, and small precision machining tools.
- Robotics: High-accuracy joints and rotary actuators.
- Medical and Laboratory Equipment: Centrifuges and other precision rotary devices.
