7036 ACDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7036 ACDGB/P4A
Basic Information
System of measurement
Metric
Weight
9.11 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
180 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
280 mm
Outside diameter tolerance
-0.004mm to 0
Width
46 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
30.162 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
51525 lbf
Radial static load rating
61875 lbf
Limiting speed
16.25 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7036 ACDGB/P4A Bearing Product Overview & Core Advantages
The 7036 ACDGB/P4A is a single-row angular contact ball bearing engineered for applications demanding high precision and exceptional running accuracy. Designed to accommodate primarily axial loads in one direction, it features a 25° contact angle and a P4A super-precision tolerance class, making it ideal for high-speed spindles and precision machinery. Its light preload (Class B) ensures minimal deflection and smooth operation under high rotational speeds, while its universal matchable (SU) design allows for flexible mounting arrangements in sets to handle combined loads.
7036 ACDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7036 | Basic bearing designation: 180 mm bore, 280 mm OD, 46 mm width. |
| AC | Angular Contact design with a 25° contact angle. |
| DGB | Contact angle of 25° and a specific internal design for universal matching (SU). |
| P4A | Super-precision tolerance class, with bore and OD tolerances of -0.004mm to 0, ensuring extremely high running accuracy. |
7036 ACDGB/P4A Bearing Structural Features & Performance Benefits
- High-Speed Capability & Precision: The combination of a phenolic resin cage, optimized internal geometry, and P4A tolerance class enables stable operation at high limiting speeds (16,250 rpm) with minimal vibration and heat generation.
- Superior Rigidity & Load Capacity: The 25° contact angle and light preload provide high axial rigidity and excellent resistance to deflection under thrust loads. With a dynamic load rating of 51,525 lbf and a static load rating of 61,875 lbf, it reliably handles significant combined loads.
- Precision-Matched Components: Manufactured from chrome steel for rings and balls, the bearing ensures high durability and wear resistance. The phenolic cage contributes to lower friction and is suitable for high-speed applications.
- Universal Matching (SU): This bearing is designed as a Universal Matchable component, allowing it to be mounted in tandem, back-to-back, or face-to-face arrangements with other SU bearings to create a rigid, preloaded set capable of supporting complex load conditions.
7036 ACDGB/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning spindles requiring super-precision and high rigidity.
- Precision Gearboxes: Applications demanding accurate shaft positioning and high rotational speeds.
- High-Frequency Motors & Spindles: Where minimal runout and thermal stability are critical.
- Aerospace & Defense Systems: Actuators, control surface mechanisms, and other high-performance rotational systems.
- Medical & Laboratory Equipment: Centrifuges and high-speed imaging devices.
