S7006 ACDGB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7006 ACDGB/P4A
Basic Information
System of measurement
Metric
Weight
0.11 kg
Tolerance class
P4A
Seal type
Sealed
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
Grease
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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S7006 ACDGB/P4A Bearing Product Overview & Core Advantages
The S7006 ACDGB/P4A is a high-precision, single-row angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. Engineered to accommodate combined loads (radial and axial loads in one direction), it features a 25° contact angle and a light preload (Class B), making it ideal for high-speed spindles and precision machinery. Its P4A tolerance class ensures superior running accuracy, while the sealed design with grease lubrication provides reliable, long-term performance in demanding operational environments.
S7006 ACDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| DGB | Universal Matchable (SU) bearing. Two bearings can be mounted in a back-to-back (DB) arrangement to handle moment loads and axial loads in both directions. |
| P4A | High precision tolerance class, exceeding ABEC 7/ISO P4 standards, for applications requiring extreme running accuracy. |
S7006 ACDGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single-row design with a 25° contact angle provides excellent rigidity and is optimized to carry significant combined radial and axial loads.
- Superior High-Speed Performance: The phenolic resin cage reduces friction and weight, contributing to a high limiting speed of 71,500 rpm. This makes it an excellent high-speed bearing for spindle applications.
- Precision & Accuracy: Manufactured to P4A tolerance class with tight dimensional control on bore, outside diameter, and width, ensuring minimal runout and vibration.
- Sealed & Lubricated for Life: The sealed design with grease lubrication protects against contamination and provides maintenance-free operation within the specified temperature range (-30°C to 110°C).
S7006 ACDGB/P4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- High-Frequency Motors
- Other equipment requiring high rigidity, high speed, and exceptional precision.
