S7016 ACD/P4ATBTB
Sealed Super Precision Angular Contact Ball Bearings
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S7016 ACD/P4ATBTB Bearing Product Overview & Core Advantages
The S7016 ACD/P4ATBTB is a precision angular contact ball bearing configured in a Triplex Back-to-Back (TBT) matched set. This high-performance arrangement is engineered to deliver exceptional system rigidity and stability, making it ideal for applications requiring superior rotational accuracy under significant combined loads (radial and axial). Manufactured to P4A tolerance class, it offers extremely tight dimensional control for demanding, high-precision environments. The pre-lubricated and sealed design ensures long-term reliability and simplified installation.
S7016 ACD/P4ATBTB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7016 | Basic bearing series and size designation (80mm bore, 125mm OD). |
| ACD | Angular Contact design with a 25° contact angle. |
| P4A | Indicates a high-precision tolerance class exceeding ABEC 7/ISO P4 standards. |
| TBT | Specifies the bearing is supplied as a Triplex Back-to-Back matched set (3 bearings). |
S7016 ACD/P4ATBTB Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The Triplex Back-to-Back (TBT) configuration creates a highly rigid bearing system capable of withstanding heavy combined radial and axial loads from both directions. This arrangement provides excellent moment load resistance, crucial for maintaining precision under complex loading conditions.
Precision Performance: Manufactured to a P4A tolerance class with a 25° contact angle, this bearing ensures minimal runout and superior rotational accuracy. The phenolic cage contributes to smooth operation at high speeds with reduced friction.
Optimized for High-Speed Operation: The combination of a lightweight phenolic cage, precision-ground chrome steel components, and a light preload (Class B) enables a high limiting speed of 28,000 rpm, making it suitable for high-speed spindle applications.
Sealed & Pre-Lubricated: The bearing is sealed and pre-lubricated with grease, protecting it from contamination and providing long-term, maintenance-free operation within its specified temperature range.
S7016 ACD/P4ATBTB Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC milling machines.
- Precision Rotary Systems: Industrial robots, rotary tables, and indexing heads.
- High-Speed Drives: Electric motor spindles and high-frequency spindles.
- Medical Equipment: Dental handpieces and high-speed medical drills.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
