7030 ACD/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7030 ACD/P4ADGA
Basic Information
System of measurement
Metric
Weight
8.35 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
150 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
225 mm
Outside diameter tolerance
-0.004mm to 0
Width
70 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
23.812 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
59625 lbf
Radial static load rating
81000 lbf
Limiting speed
11 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1926.83
/ each
In Stock
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7030 ACD/P4ADGA Bearing Product Overview & Core Advantages
The 7030 ACD/P4ADGA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Engineered to a P4A tolerance class, it delivers superior running precision. Its universal matchable (SU) design allows for flexible mounting in various preload configurations, while the extra light preload (Class A) ensures low operating torque and minimal heat generation. This bearing is optimized to handle combined loads, efficiently supporting both radial and significant axial loads in one direction, making it an ideal solution for high-speed, high-precision spindles and machinery.
7030 ACD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
The model number 7030 ACD/P4ADGA provides detailed technical specifications through its suffixes:
- 7030: Basic designation indicating a 150mm bore and 225mm outside diameter.
- A: Denotes a 25° contact angle, optimized for high axial load capacity.
- CD: Signifies a universal matchable (SU) bearing designed in a set of two for duplex mounting.
- P4A: Indicates an ultra-precision tolerance class exceeding ABEC 7 standards for exceptional dimensional and running accuracy.
- DGA: Specifies an extra light preload (Class A) for applications requiring minimal friction and high-speed capability.
7030 ACD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4A tolerance standards, this bearing ensures minimal runout and vibration, providing the stability required for ultra-precise machining and instrumentation.
- Superior Load Capacity: The 25° contact angle and robust construction enable it to handle significant combined radial and axial loads simultaneously.
- Optimized High-Speed Performance: The phenolic resin cage offers low weight and excellent performance at high rotational speeds, contributing to a limiting speed of 11,000 rpm. The extra light preload further reduces friction and heat buildup.
- Universal Matching Capability (SU): As a universal matchable bearing supplied in a set of two, it provides flexibility in mounting arrangements (back-to-back, face-to-face, or tandem) to achieve the desired preload and stiffness without selective assembly.
7030 ACD/P4ADGA Bearing Typical Application Areas
This high-precision bearing is ideally suited for applications where accuracy, speed, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Instrumentation: Measuring devices and analytical equipment.
- High-Frequency Motors and Spindles: Applications requiring minimal vibration and high rotational accuracy.
- Robotics: High-precision joints and arm assemblies.
