7036 ACD/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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7036 ACD/P4ADGA Bearing Product Overview & Core Advantages
The 7036 ACD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. As part of the Universal Matchable (SU) series, it is engineered to be paired with an identical bearing to form a preloaded duplex set, delivering superior performance under combined loads. Its P4A tolerance class and extra light preload (Class A) make it ideal for high-precision, high-speed spindles and other critical machinery where minimal deflection and maximum rotational accuracy are paramount.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7036 | Basic bearing series and size designation (180mm bore, 280mm OD) |
| AC | Angular Contact design with a 25° contact angle |
| D | Signifies a duplex pair (two bearings supplied as a set) |
| P4A | High precision tolerance class, exceeding ABEC 7/ISO P4 standards |
| DGA | Universal Matchable arrangement designation for preloaded mounting |
7036 ACD/P4ADGA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The angular contact design with a 25° contact angle enables the bearing to support significant combined radial and axial loads simultaneously. When mounted as a universal match pair, the preloaded configuration eliminates internal clearance, resulting in extremely high system rigidity and precise shaft positioning.
Precision & High-Speed Performance: Manufactured to P4A tolerance class with tight dimensional control on the bore diameter, outside diameter, and width. The lightweight phenolic cage and optimized internal geometry contribute to lower friction and a high limiting speed of 16,250 rpm, making it suitable for high-speed applications.
Optimized Internal Geometry: Features 21 high-grade chrome steel balls with a diameter of 30.162 mm, ensuring smooth operation and high dynamic load rating of 83,475 lbf. The open design allows for customized lubrication schemes to match specific operational requirements.
7036 ACD/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring extreme precision and rigidity.
- Precision Gearboxes: Applications where low noise, high speed, and accurate shaft alignment are critical.
- Industrial Pumps & Compressors: For handling significant axial and radial loads in demanding fluid handling systems.
- High-Frequency Motors & Spindles: Where minimal runout and thermal stability are essential for performance.
