S7014 ACE/HCPA9ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7014 ACE/HCPA9ADGA
Basic Information
System of measurement
Metric
Weight
1.17 kg
Tolerance class
PA9A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.004mm to 0
Width
40 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
8190 lbf
Radial static load rating
7762 lbf
Limiting speed
22 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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S7014 ACE/HCPA9ADGA Bearing Product Overview & Core Advantages
The S7014 ACE/HCPA9ADGA is a high-precision double row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. Its design enables it to simultaneously support combined radial and axial loads from both directions. Featuring a universal matchable (SU) design, it allows for flexible mounting arrangements in pairs. Constructed with ceramic balls and a phenolic cage, this bearing is optimized for high-speed operation and offers superior rigidity, making it an ideal choice for high-performance machinery.
S7014 ACE/HCPA9ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | 25° contact angle and phenolic resin cage |
| HC | Hybrid Ceramic (Silicon Nitride balls) |
| PA9A | High precision tolerance class (PA9A) |
| DGA | Sealed on both sides, pre-lubricated with grease |
S7014 ACE/HCPA9ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design provides high rigidity, enabling stable support for combined loads (radial and bidirectional axial loads). The 25° contact angle further optimizes axial load carrying capability.
- Superior High-Speed Performance: The combination of a lightweight phenolic cage and low-friction ceramic balls significantly reduces centrifugal forces and operating temperature, allowing for a high limiting speed of 22,000 rpm.
- Precision & Longevity: Manufactured to PA9A tolerance class with tight dimensional control, this bearing ensures precise running accuracy. The integral seals and pre-applied grease provide effective contamination exclusion and maintenance-free operation within the specified temperature range.
- Universal Matching: As a Universal Matchable (SU) bearing, it can be mounted in pairs in various preload configurations (back-to-back, face-to-face, or tandem) without selective matching, simplifying installation and inventory.
S7014 ACE/HCPA9ADGA Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Speed Motors
- Precision Grinding Spindles
- Industrial Pumps & Compressors
- Aerospace & Defense Systems
