7006 ACE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7006 ACE/HCP4ADGA
Basic Information
System of measurement
Metric
Weight
0.21 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
26 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3218 lbf
Radial static load rating
2250 lbf
Limiting speed
71.5 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
Ceramic
Cage material
Phenolic
Technical Drawings
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7006 ACE/HCP4ADGA Bearing Product Overview & Core Advantages
The 7006 ACE/HCP4ADGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This universal matchable bearing features a 25° contact angle and is supplied in a pre-loaded, matched set of two bearings. Its construction with ceramic balls and a phenolic cage enables superior high-speed capabilities and operation across a wide temperature range. Engineered to accommodate combined loads, it delivers high rigidity and reliability in precision machinery.
7006 ACE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | 25° contact angle and enhanced internal design |
| HC | Hybrid Ceramic (Silicon Nitride balls) |
| P4A | High precision tolerance class (equivalent to ABEC 7) |
| DGA | Universal matchable bearing set with preload |
7006 ACE/HCP4ADGA Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction, heat generation, and wear, enabling higher limiting speeds and extended service life.
- High Rigidity & Load Capacity: The 25° contact angle and universal matchable (SU) design provide excellent stability and the ability to withstand combined radial and axial loads.
- Superior High-Speed Performance: The lightweight phenolic cage and low-friction ceramic balls allow for a very high limiting speed of 71,500 rpm, making it ideal for ultra-high-speed spindles.
- Precision Engineering: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration for applications requiring the highest levels of accuracy.
- Pre-Lubricated & Wide Temperature Range: Comes lubricated for immediate use and operates reliably within a temperature range of -30°C to 110°C.
7006 ACE/HCP4ADGA Bearing Typical Application Areas
- High-frequency machine tool spindles
- Precision grinding applications
- High-speed dental and medical handpieces
- Aerospace instrumentation and controls
- Advanced robotics and automation systems
