7000 ACD/P4ADGD
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7000 ACD/P4ADGD
Basic Information
System of measurement
Metric
Weight
0.038 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
10 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
26 mm
Outside diameter tolerance
-0.004mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
9
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1462 lbf
Radial static load rating
720 lbf
Limiting speed
95 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
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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7000 ACD/P4ADGD Bearing Product Overview & Core Advantages
The 7000 ACD/P4ADGD is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. Engineered as a universally matchable (SU) bearing supplied in a pre-loaded pair, it delivers superior performance under combined radial and axial loads. Manufactured to a P4A tolerance class and featuring a heavy preload (Class D), this bearing is optimized for high-stiffness support in high-speed spindle systems and other precision machinery.
7000 ACD/P4ADGD Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle |
| P4A | High precision tolerance class, exceeding ABEC 7 standards |
| DGD | Universal Matchable (SU) bearing supplied as a pre-loaded pair (2 bearings) |
7000 ACD/P4ADGD Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The universal match (SU) design with heavy preload (Class D) provides exceptional system stiffness, enabling precise handling of combined loads and moment forces.
- Precision Performance: Manufactured to P4A tolerance class with tight dimensional control (bore and OD tolerance: -0.004mm to 0), ensuring minimal runout and superior rotational accuracy.
- Optimized High-Speed Operation: The phenolic cage and 9 high-precision chrome steel balls contribute to stable operation at high rotational speeds, with a limiting speed of 95,000 rpm.
- Superior Material & Lubrication: Constructed from chrome steel for both rings and balls, offering high durability. The bearing is pre-lubricated for immediate operation within a temperature range of -30°C to 110°C.
7000 ACD/P4ADGD Bearing Typical Application Areas
This precision bearing is ideally suited for applications requiring high speed, rigidity, and accuracy, including:
- Machine Tool Spindles
- High-Frequency Machining Centers
- Precision Grinding Spindles
- High-Speed Robotics
- Medical and Dental Equipment Spindles
