7014 ACDGA/P4AL
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7014 ACDGA/P4AL
Basic Information
System of measurement
Metric
Weight
0.6 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.004mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
10980 lbf
Radial static load rating
9900 lbf
Limiting speed
29 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7014 ACDGA/P4AL Bearing Product Overview & Core Advantages
The 7014 ACDGA/P4AL is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. Manufactured to P4A tolerance class, this single bearing features a 25° contact angle and an Extra Light (Class A) preload, making it ideal for high-speed spindles and precision machinery. Its open design, optimized with a phenolic cage, facilitates superior lubrication flow, contributing to its high limiting speed and reliable performance under combined radial and axial loads.
7014 ACDGA/P4AL Bearing Model Code Explained, Specifications & Naming Convention
The model number 7014 ACDGA/P4AL provides detailed technical specifications:
- 7014: Basic designation indicating a 70mm bore, 110mm outside diameter.
- A: Signifies a 25° contact angle.
- CD: Denotes a Universal Matchable (SU) bearing, designed to be mounted in sets (in this case, a set of 3) to achieve specific preload and rigidity characteristics.
- GA: Indicates an Extra Light (Class A) preload.
- P4A: Specifies a very high tolerance class for superior running accuracy and dimensional stability.
- L: Signifies that the bearing is lubricated from the factory.
7014 ACDGA/P4AL Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The angular contact design with a precisely ground 25° contact angle and P4A tolerance class ensures minimal runout and high system stiffness, which is critical for machining accuracy.
- Optimized for High-Speed Operation: The lightweight phenolic cage minimizes centrifugal forces, while the open structure allows for efficient lubricant circulation, enabling a high limiting speed of 29,000 rpm.
- Superior Load Capacity: Engineered to handle significant combined loads, with a dynamic load rating of 10,980 lbf and a static load rating of 9,900 lbf.
- Universal Matching Capability (SU): As a Universal Matchable bearing, the 7014 ACDGA/P4AL can be mounted in any combination (back-to-back, face-to-face, or tandem) with other bearings from its matched set to achieve the desired preload and rigidity without selective assembly.
7014 ACDGA/P4AL Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles for CNC milling and grinding machines
- High-Speed Machining Centers
- Precision Grinding Spindles
- High-Frequency Motors
- Other precision rotary equipment requiring high rigidity, high speed, and exceptional running accuracy.
