7012 CDGC/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7012 CDGC/P4A
Basic Information
System of measurement
Metric
Weight
0.4 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
95 mm
Outside diameter tolerance
-0.004mm to 0
Width
18 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
9068 lbf
Radial static load rating
7762 lbf
Limiting speed
34 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
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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7012 CDGC/P4A Bearing Product Overview & Core Advantages
The 7012 CDGC/P4A is a precision angular contact ball bearing designed for applications requiring exceptional rotational accuracy and high-speed performance. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and dimensional stability. Its 15° contact angle and moderate preload (Class C) provide excellent rigidity and are optimized for handling combined radial and axial loads. The open design, combined with a phenolic cage, makes it ideal for high-speed spindles and other demanding precision machinery applications.
7012 CDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7012 | Basic bearing series, 60 mm bore, 95 mm OD, 18 mm width |
| C | 15° contact angle |
| DG | Universal Matchable (SU) bearing, supplied in a set of 3 for precise preload arrangement |
| C | Moderate preload / Class C |
| P4A | High-precision tolerance class exceeding ABEC 7 standards |
7012 CDGC/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and moderate preload provide high system rigidity, enabling the bearing to effectively handle combined loads (radial and axial). The dynamic load rating of 9068 lbf ensures reliable performance under demanding conditions.
- High-Speed Performance: The lightweight phenolic cage and optimized internal geometry contribute to a high limiting speed of 34,000 rpm, making it suitable for high-speed applications like machine tool spindles.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls on bore, outside diameter, and width, ensuring minimal runout and vibration for superior accuracy.
- Universal Matching: Designed as a Universal Matchable (SU) bearing, it can be mounted in tandem, back-to-back, or face-to-face arrangements with other bearings from the same matched set to achieve specific stiffness and preload requirements.
7012 CDGC/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Grinding Spindles
- High-Frequency Motors
- Industrial Pumps & Compressors
- Medical Equipment and other high-precision rotary systems
