7212 CD/P4ADGC
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7212 CD/P4ADGC
Basic Information
System of measurement
Metric
Weight
1.62 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.004mm to 0
Width
44 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
14.288 mm
Ball quantity
16
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
21060 lbf
Radial static load rating
20925 lbf
Limiting speed
32.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
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
Price available upon request.
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7212 CD/P4ADGC Bearing Product Overview & Core Advantages
The 7212 CD/P4ADGC is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Operating under P4A tolerance class, it delivers superior running precision. Its key advantage lies in its Universal Matchable (SU) design, allowing two bearings to be universally paired in a back-to-back (DB) or face-to-face (DF) arrangement without selective mounting, simplifying installation and ensuring optimal preload for high rigidity and stability under combined radial and axial loads.
7212 CD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
The model number 7212 CD/P4ADGC is decoded as follows:
- 7212: Basic series designation for a metric angular contact ball bearing with a 60mm bore and 110mm OD.
- C: Denotes a 15° contact angle, optimized for handling higher axial loads.
- D: Indicates the bearing is supplied as part of a universally matchable pair (SU).
- P4A: Specifies an extremely high tolerance class for superior dimensional and running accuracy, exceeding ABEC 7/ISO P4 standards.
- DGC: Signifies a Moderate preload (Class C) applied to the bearing set, enhancing system stiffness and reducing deflection under load.
7212 CD/P4ADGC Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 15° contact angle and universal matching in a preloaded set create a highly rigid bearing system capable of withstanding significant combined loads (radial and axial) from both directions.
- Precision Performance: Manufactured to P4A tolerance class with a phenolic cage, this bearing ensures minimal runout and vibration, making it ideal for high-speed applications up to 32,500 rpm.
- Optimized for Matching: The Universal Matchable (SU) feature eliminates the need for selective assembly, ensuring consistent performance and simplifying the procurement and installation of precision spindle pairs.
- Durable Construction: Components made from chrome steel and a phenolic cage offer high strength, durability, and stable operation at high speeds.
7212 CD/P4ADGC Bearing Typical Application Areas
This bearing is engineered for high-performance machinery where precision and rigidity are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes and High-Frequency Motors.
- Industrial Pumps and Compressors requiring high shaft stability.
- Aerospace Positioning Systems and Medical Equipment spindles.
