7006 ACDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7006 ACDGB/P4A
Basic Information
System of measurement
Metric
Weight
0.11 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.004mm to 0
Width
13 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
14
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3105 lbf
Radial static load rating
1721 lbf
Limiting speed
71.5 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
No drawings available at the moment, will be launched soon
In Stock
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7006 ACDGB/P4A Bearing Product Overview & Core Advantages
The 7006 ACDGB/P4A is a single row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Operating under the stringent P4A tolerance class, this bearing is engineered to handle significant combined loads—both radial and axial—in one direction. Its 25° contact angle optimizes it for high axial load capacity. Pre-loaded as a Light / Class B and designated as Universal Matchable (SU), it is supplied in a set of two bearings, ready for immediate installation in universal matching arrangements (DB, DF, DT) to provide enhanced system stability and stiffness.
7006 ACDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 7006 ACDGB/P4A is decoded as follows:
- 7006: Basic series designation, indicating a metric, single row angular contact ball bearing with a 30mm bore and 55mm outside diameter.
- AC: Angular Contact design with a 25° contact angle.
- D: Signifies the bearing is supplied as part of a Universal Matchable (SU) pair.
- GB: Indicates a Light preload (Class B).
- P4A: Denotes an extremely high precision tolerance class, exceeding ABEC 7 standards, for applications demanding minimal runout and supreme smoothness.
7006 ACDGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4A tolerance class with a phenolic resin cage, this bearing ensures minimal vibration and high running accuracy, which is critical for high-speed spindle performance.
- Superior Load Capacity: The 25° contact angle and robust construction of chrome steel rings and balls provide excellent resistance to combined loads.
- Optimized for High-Speed Operation: The lightweight phenolic cage and precision-ground components contribute to a high limiting speed of 71,500 rpm, making it an ideal high-speed bearing.
- Ready-to-Install Universal Matching: Supplied as a pre-lubricated, universally matchable (SU) set, these bearings simplify assembly and guarantee optimal preload and performance in duplex configurations.
7006 ACDGB/P4A Bearing Typical Application Areas
This precision bearing is ideally suited for demanding applications where high speed, rigidity, and accuracy are paramount. Key sectors include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors and Spindles: Applications requiring minimal runout at extreme rotational speeds.
- Medical and Dental Equipment: High-speed handpieces and scanners.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and navigation instruments.
