S7016 ACE/HCP4ADT
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7016 ACE/HCP4ADT
Basic Information
System of measurement
Metric
Weight
1.63 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
125 mm
Outside diameter tolerance
-0.004mm to 0
Width
44 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°C to 110 °C
Radial dynamic load rating
11858 lbf
Radial static load rating
11925 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
In Stock
Price available upon request.
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S7016 ACE/HCP4ADT Bearing Product Overview & Core Advantages
The S7016 ACE/HCP4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional performance. This matched duplex tandem (DT) arrangement provides superior axial rigidity and is preloaded for immediate, high-accuracy operation. Its construction, featuring a phenolic cage and ceramic balls, is optimized for high-speed operation up to 28,000 rpm. The bearing is sealed and pre-lubricated, offering a maintenance-free solution within its specified temperature range, making it ideal for high-reliability, high rigidity applications.
S7016 ACE/HCP4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| S7016 | Basic bearing designation, indicating a 80mm bore, 125mm OD, and 44mm width. |
| ACE | Signifies a 25° contact angle and specific internal design optimized for high-speed, high-precision performance. |
| HC | Indicates the use of Hybrid Ceramic balls (Silicon Nitride), which reduce friction, heat generation, and allow for higher speeds. |
| P4A | Denotes an ultra-high precision tolerance class (superior to ABEC 7/ISO P4), ensuring minimal runout and vibration. |
| DT | Specifies a Duplex Tandem matched set. This arrangement increases axial load capacity in one direction and is supplied with a preload. |
S7016 ACE/HCP4ADT Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and extends service life, especially at high rotational speeds.
- Phenolic Resin Cage: This lightweight and robust cage material offers excellent dimensional stability and guidance at high speeds, contributing to the bearing's limiting speed of 28,000 rpm.
- Duplex Tandem (DT) Preload: The two bearings are universally matched and preloaded as a set. This eliminates axial play, provides immediate high rigidity, and ensures precise rotational accuracy from startup.
- Sealed & Grease-Lubricated Design: The integral seals protect against contamination, and the factory-applied grease provides long-term, maintenance-free operation within the specified temperature range of -30°C to 110°C.
- High Load Capacity: With a dynamic load rating of 11,858 lbf and a static load rating of 11,925 lbf, this bearing set is capable of handling significant combined loads.
S7016 ACE/HCP4ADT Bearing Typical Application Areas
This bearing is engineered for the most demanding high-speed and high-precision machinery, including:
- Machine Tool Spindles: For CNC milling, grinding, and turning centers where high rigidity and runout accuracy are critical.
- High-Frequency Motors & Spindles: Ideal for applications requiring rapid acceleration and deceleration.
- Precision Robotics: Used in robotic arm joints and actuators demanding high positional accuracy and stiffness.
- Aerospace & Defense Systems: Suitable for gyroscopes, radar systems, and other instrumentation requiring reliable, high-speed performance.
