7036 CD/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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7036 CD/HCP4ADGA Bearing Product Overview & Core Advantages
The 7036 CD/HCP4ADGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. Its universal matchable (SU) design allows two bearings to be paired in a back-to-back (DB) or face-to-face (DF) arrangement, providing outstanding system rigidity. A key advantage is its hybrid ceramic construction, featuring ceramic balls and a phenolic cage, which enables superior high-speed performance, reduced friction, and extended service life. Preloaded to Extra light / Class A and manufactured to a P4A tolerance class, this bearing delivers exceptional running accuracy and is capable of handling combined loads with high reliability.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7036 | Basic bearing series and size designation (180mm bore, 280mm OD). |
| CD | Specifies a 15° contact angle and is typically associated with a specific internal design and high precision. |
| HC | Indicates Hybrid Ceramic construction, meaning ceramic balls running in steel rings. |
| P4A | Denotes an ultra-precision tolerance class exceeding ABEC 7/ISO P4, ensuring minimal runout and vibration. |
| DGA | Signifies a Universal Matchable (SU) bearing, supplied as one of a pair (2 bearings in a set) for preloaded arrangements. |
7036 CD/HCP4ADGA Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The use of ceramic balls significantly reduces centrifugal forces, friction, and heat generation. This directly contributes to a higher limiting speed (16,250 rpm), lower operating temperatures, and longer lubricant life compared to all-steel bearings.
- Phenolic Resin Cage: The lightweight and robust phenolic cage offers excellent dimensional stability and low friction at high speeds, further enhancing the bearing's high-speed capability and reliability.
- Universal Matchability (SU): This feature allows for simplified mounting of two bearings in a preloaded set, creating a system with high rigidity and precise rotational accuracy, ideal for applications with moment loads.
- Super-Precision P4A Tolerances: With extremely tight dimensional and running accuracy tolerances, this bearing ensures smooth, quiet operation with minimal vibration, which is critical for high-precision machinery.
- High Load Capacity: With a dynamic load rating of 87,750 lbf and a static load rating of 131,625 lbf, the bearing is robust enough to handle significant combined radial and axial loads.
7036 CD/HCP4ADGA Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications where speed, precision, and rigidity are paramount. Key industries and machinery include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Internal and external grinding machines.
- High-Frequency Motors and Spindles: Motors operating at very high RPM.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instruments.
- Medical Equipment: High-speed dental handpieces and imaging device rotors.
