S7016 ACE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7016 ACE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.81 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
125 mm
Outside diameter tolerance
-0.009mm to 0
Width
22 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
25
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
7312 lbf
Radial static load rating
5962 lbf
Limiting speed
15.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 847.47
/ each
In Stock
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S7016 ACE/HCP4A Bearing Product Overview & Core Advantages
The S7016 ACE/HCP4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. As a single-row bearing with a 25° contact angle, it is optimized to handle significant axial loads in one direction while supporting substantial radial loads. Its ABEC-7 (P4) tolerance class ensures minimal runout and vibration, making it ideal for high-precision spindles. The combination of a phenolic cage and ceramic balls contributes to lower friction, higher limiting speeds, and extended service life, even under demanding operating conditions.
S7016 ACE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | Indicates a 25° contact angle and the availability of preload options for enhanced rigidity. |
| HC | Refers to Hybrid Ceramic construction, featuring ceramic balls for reduced weight, lower friction, and higher speed capability. |
| P4A | Denotes the ABEC-7 (P4) precision tolerance class, ensuring extremely tight dimensional and running accuracy. |
S7016 ACE/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed Capability: The lightweight phenolic resin cage and ceramic balls (Si3N4) significantly reduce centrifugal forces, enabling a high limiting speed of 15,500 rpm and lower operating temperatures.
- Superior Rigidity & Load Capacity: The 25° contact angle and optimized internal geometry provide high stiffness, effectively supporting combined loads (radial and axial). The dynamic load rating of 7312 lbf ensures reliable performance under demanding conditions.
- Precision Performance: Manufactured to P4 tolerance class, this bearing guarantees minimal runout and vibration, which is critical for maintaining accuracy in high-speed spindles.
- Pre-Lubricated & Sealed: Comes lubricated from the factory and is sealed to retain lubricant and exclude contaminants, ensuring consistent performance and reducing maintenance needs.
S7016 ACE/HCP4A Bearing Typical Application Areas
This bearing is engineered for high-performance applications, including:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Robotics (High-accuracy robot arm joints and actuators)
- Aerospace Systems (Gyroscopes, auxiliary power units, fuel pumps)
- High-Frequency Motors and Spindles
