7026 ACDGD/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7026 ACDGD/P4A
Basic Information
System of measurement
Metric
Weight
3.23 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
130 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
200 mm
Outside diameter tolerance
-0.004mm to 0
Width
33 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
22.225 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
31500 lbf
Radial static load rating
33750 lbf
Limiting speed
11 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Heavy / Class D
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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7026 ACDGD/P4A Bearing Product Overview & Core Advantages
The 7026 ACDGD/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. As a single bearing with a 25° contact angle and Heavy preload (Class D), it is engineered to support high combined loads, accommodating significant radial and axial forces simultaneously. Manufactured to the stringent P4A tolerance class, it guarantees superior running accuracy and dimensional stability. Its Universal Matchable (SU) designation allows for flexible mounting in sets to meet specific application stiffness and load requirements, making it an ideal solution for high-performance machinery.
7026 ACDGD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| DGD | Heavy Preload (Class D). This pre-set internal load significantly increases bearing rigidity and minimizes axial and radial deflection under operational forces. |
| P4A | A superior tolerance class exceeding ABEC 7/ISO P4 standards, ensuring extremely tight dimensional and running accuracy for high-precision applications. |
7026 ACDGD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The combination of a 25° contact angle and a Heavy preload provides exceptional stiffness, enabling the bearing to withstand high combined loads with minimal deformation. This is critical for maintaining precision in high-load scenarios.
- Precision Performance: Manufactured to P4A tolerances with a phenolic cage, the bearing offers superior running accuracy, reduced vibration, and stable operation at high speeds.
- Optimized for Matched Sets: As a Universal Matchable (SU) bearing, it can be supplied and mounted in sets (e.g., duplex or triplex arrangements) to achieve specific preload and stiffness characteristics directly in the application, simplifying installation and enhancing system performance.
- Material Integrity: Constructed from chrome steel for both rings and balls, the bearing ensures high durability, wear resistance, and a long operational life under demanding conditions.
7026 ACDGD/P4A Bearing Typical Application Areas
This bearing is specifically engineered for high-precision, high-rigidity applications, including:
- Machine Tool Spindles: For milling, grinding, and turning centers requiring extreme accuracy and rigidity.
- High-Speed Precision Drives: In applications where high rotational speeds and precise positioning are critical.
- Industrial Pumps and Compressors: For handling significant axial and radial loads reliably.
- Robotics and Automation: In precision joints and arms where stiffness and accuracy are paramount.
