7010 CDGB/HCP4A
Hybrid Ceramic Super Precision Bearings
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7010 CDGB/HCP4A Bearing Product Overview & Core Advantages
The 7010 CDGB/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single bearing features a 15° contact angle and is designed to handle combined loads, efficiently supporting both radial and axial forces. Manufactured to P4A tolerance class, it delivers superior running accuracy. Its ceramic ball construction and phenolic cage contribute to its status as a high-speed bearing with a limiting speed of 41,000 rpm. Preloaded as Light / Class B, it offers high rigidity and precise rotational characteristics, making it ideal for high-reliability machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7010 | Basic bearing designation indicating a 50 mm bore, 80 mm OD, and 16 mm width. |
| C | Specifies a 15° contact angle. |
| DGB | Indicates a Universal Matchable (SU) bearing, designed to be paired in sets (3 bearings in a matched set) to achieve specific preload and rigidity. |
| HC | Refers to the Hybrid Ceramic construction, featuring steel rings and ceramic balls. |
| P4A | Denotes the high-precision tolerance class, ensuring extremely tight dimensional and running accuracy. |
7010 CDGB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The light preload (Class B) eliminates internal clearance, providing high system rigidity and precise shaft positioning, which is critical for applications with minimal deflection requirements.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a phenolic cage (lightweight and self-lubricating) enables the bearing to achieve a high limiting speed of 41,000 rpm with excellent stability.
- Enhanced Load Capacity: The 15° contact angle is optimized to handle significant combined (radial and axial) loads simultaneously. With a dynamic load rating of 6660 lbf and a static load rating of 5400 lbf, it offers reliable performance under demanding conditions.
- Universal Matching Capability: As a Universal Matchable (SU) bearing, it can be mounted in sets (typically 3 bearings) in a universal arrangement. This allows for simplified assembly and the ability to achieve a defined preload without selective sorting, enhancing operational reliability and high rigidity.
7010 CDGB/HCP4A Bearing Typical Application Areas
This high-precision, high-speed angular contact ball bearing is ideally suited for advanced machinery and systems, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring utmost precision and rigidity.
- High-Frequency Motors and Spindles: Used in electric motors and spindle drives for CNC machinery and robotics.
- Precision Instrumentation: Critical components in medical devices, optical scanners, and measuring equipment.
- Aerospace and Defense Systems: Applications such as gyroscopes, radar systems, and auxiliary power units (APUs) that demand high reliability and speed.
