S7007 ACB/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7007 ACB/HCP4ADGA
Basic Information
System of measurement
Metric
Weight
0.33 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.004mm to 0
Width
28 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
23
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
2385 lbf
Radial static load rating
2059 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Grease
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
No drawings available at the moment, will be launched soon
In Stock
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S7007 ACB/HCP4ADGA Bearing Product Overview & Core Advantages
The S7007 ACB/HCP4ADGA is a super-precision double row angular contact ball bearing engineered for the most demanding high-speed and high-rigidity applications. Its design excels at simultaneously handling combined radial and axial loads from both directions. Featuring a universal matchable (SU) design, two bearings can be paired for optimal preload and performance. Manufactured to an ultra-precise P4A tolerance class and utilizing ceramic balls, this bearing delivers exceptional rotational accuracy, minimal heat generation, and extended service life in critical machinery.
Model Code Breakdown
| Suffix Code | Technical Meaning |
|---|---|
| S7007 | Basic bearing series and size designation (35mm bore, 62mm OD, 28mm width). |
| ACB | Angular Contact Bearing, 25° contact angle. |
| HCP4A | Hybrid Ceramic with Phenolic cage, P4A tolerance class. |
| DGA | Sealed on both sides and pre-lubricated with grease. |
S7007 ACB/HCP4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design provides superior rigidity and stability, enabling it to support significant combined loads and moment loads effectively.
- Superior High-Speed Performance: The combination of lightweight phenolic resin cage and low-friction ceramic balls (Hybrid) significantly reduces centrifugal forces and operating temperature, allowing for a high limiting speed of 41,000 rpm.
- Ultra-Precision: Manufactured to ABEC 7 / P4A tolerance standards with extremely tight dimensional runouts, ensuring exceptional running accuracy and minimal vibration.
- Long-Term Reliability & Maintenance-Free Operation: The integral seals protect against contamination, and the bearing is pre-lubricated with high-performance grease, making it ready for installation and long-lasting service.
S7007 ACB/HCP4ADGA Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Grinding Spindles
- High-Frequency Motors
- Semiconductor Manufacturing Equipment
- Aerospace & Defense Systems
