S7016 ACD/HCP4ATFTA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7016 ACD/HCP4ATFTA
Basic Information
System of measurement
Metric
Weight
2.17 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
66 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
14.288 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
30375 lbf
Radial static load rating
39600 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Grease
Matched arrangement
Triplex Face-to-Face (TFT)
Number of bearings in matched set
3
Universal matching bearing
No (Standard)
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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S7016 ACD/HCP4ATFTA Bearing Product Overview & Core Advantages
The S7016 ACD/HCP4ATFTA is a high-precision angular contact ball bearing designed for the most demanding applications. This triplex matched set in a Face-to-Face (TFT) arrangement delivers exceptional system rigidity and rotational accuracy. Engineered with ceramic balls and a P4A super-precision tolerance, it is optimized for high-speed operation and long service life under combined radial and axial loads. The pre-lubrication and sealed design ensure reliable, maintenance-free performance.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| S7016 | Basic bearing series and size designation (80mm bore, 125mm OD). |
| ACD | Angular Contact Design with a 25° contact angle. |
| HC | Hybrid Ceramic - signifies the use of ceramic balls. |
| P4A | Super Precision Tolerance Class, exceeding ABEC 7/ISO P4 standards. |
| TFT | Triplex Face-to-Face - a matched set of three bearings in a specific preloaded arrangement. |
| A | Extra Light Preload classification. |
S7016 ACD/HCP4ATFTA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Stability: The triplex matched set in a Face-to-Face configuration provides a highly rigid bearing system, crucial for minimizing deflection under complex combined loads.
- Superior High-Speed Performance: The combination of hybrid ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic cage allows for a high limiting speed of 28,000 rpm. This design also reduces operating temperature and improves efficiency.
- High Precision and Accuracy: Manufactured to P4A tolerance class, this bearing ensures minimal runout and superior rotational accuracy for critical spindle applications.
- Long Service Life and Reliability: The sealed construction retains grease and excludes contaminants. The pre-lubrication and use of ceramic balls (which reduce wear and provide non-conductive properties) contribute to extended bearing life and consistent performance.
S7016 ACD/HCP4ATFTA Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance machinery requiring extreme accuracy and speed, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing machines.
- High-Frequency Motors: Spindles for aerospace and semiconductor manufacturing equipment.
- Other Precision Rotary Equipment: Where maximum rigidity, speed, and accuracy are paramount.
