7018 CE/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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7018 CE/P4ADGA Bearing Product Overview & Core Advantages
The 7018 CE/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. Manufactured to P4A tolerance class, it offers superior running accuracy and dimensional stability. Its universal matchable (SU) design allows for flexible mounting in various configurations, while the extra light preload (Class A) ensures smooth, low-friction operation ideal for high-speed applications. This bearing is pre-lubricated and capable of handling combined loads, making it a robust solution for demanding industrial environments.
7018 CE/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7018 | Basic bearing series and size designation (90mm bore, 140mm OD, 48mm width). |
| CE | Contact angle of 15°, optimized for high-speed performance and axial load capacity. |
| P4A | High precision tolerance class, providing extremely tight dimensional and running accuracy. |
| DGA | Universal matchable bearing pair (SU arrangement), supplied as a set of two bearings. |
7018 CE/P4ADGA Bearing Structural Features & Performance Benefits
High Precision and Rigidity: Manufactured to P4A tolerance standards with a 15° contact angle, this bearing provides exceptional rotational accuracy and system rigidity, minimizing deflection under load.
Superior Load Capacity: The optimized internal geometry and chrome steel construction enable high dynamic and static load ratings (13,162 lbf radial dynamic, 14,400 lbf radial static), effectively handling combined radial and axial loads.
Optimized High-Speed Performance: The phenolic cage ensures low friction and excellent dimensional stability at high speeds, supporting a limiting speed of 15,000 rpm. The extra light preload further enhances high-speed capability.
Universal Matching Capability: The SU universal match designation allows bearings to be mounted in back-to-back (DB), face-to-face (DF), or tandem (DT) arrangements without selective assembly, providing exceptional design flexibility.
7018 CE/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles for milling, grinding, and turning centers
- High-Speed Precision Spindles in PCB drilling and routing equipment
- Industrial Pumps and Compressors requiring high precision and reliability
- Medical Equipment such as dental handpieces and surgical tools
- Robotics and Automation systems demanding precise motion control
- Aerospace Actuation Systems where precision and reliability are critical
