7000 ACDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7000 ACDGB/P4A
Basic Information
System of measurement
Metric
Weight
0.019 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
8 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
893 lbf
Radial static load rating
360 lbf
Limiting speed
185 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
2
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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7000 ACDGB/P4A Bearing Product Overview & Core Advantages
The 7000 ACDGB/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. This P4A tolerance class bearing is universally matchable, allowing for precise preload control when mounted in pairs. Its optimized design enables it to handle combined loads efficiently, making it an ideal choice for high-speed spindles and other demanding machinery where reliability and precision are paramount.
7000 ACDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7000 | Basic series designation, indicating a metric, single-row angular contact ball bearing with a 10mm bore. |
| AC | Angular Contact design with a 25° contact angle. |
| DGB | Universal Matchable (SU) bearing. "D" and "B" suffixes indicate specific face grinding for precise axial clearance when paired. |
| P4A | Indicates a high-precision tolerance class with very tight dimensional and running accuracy tolerances. |
7000 ACDGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: Manufactured to P4A tolerance class with extremely tight bore, OD, and width tolerances, ensuring minimal runout and superior system stability.
- Optimized Load Capacity: The 25° contact angle is engineered to efficiently support combined radial and axial loads in one direction.
- High-Speed Capability: Features a lightweight, durable phenolic resin cage and is pre-lubricated, contributing to a high limiting speed of 185,000 rpm.
- Universal Matching: As a Universal Matchable (SU) bearing, it can be paired with another identical bearing to form a matched set, achieving a defined preload (Light / Class B) without selective mounting.
7000 ACDGB/P4A Bearing Typical Application Areas
This bearing is specifically engineered for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Robotic Drives
- Medical and Dental Equipment
