7014 ACD/P4ATBTC
7000 Series Super Precision Angular Contact Ball Bearings
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7014 ACD/P4ATBTC Bearing Product Overview & Core Advantages
The 7014 ACD/P4ATBTC is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This metric bearing features a triplex back-to-back (TBT) matched arrangement, providing superior stability and the ability to handle significant combined loads (radial and axial). With its P4A tolerance class and moderate preload (Class C), it delivers high running accuracy and is optimized for high-speed operation up to 29,000 rpm, making it an ideal choice for high-performance machinery.
7014 ACD/P4ATBTC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle. |
| P4A | Indicates a high-precision tolerance class, exceeding normal P4 standards for superior running accuracy. |
| TBT | Specifies the Triplex Back-to-Back matched arrangement of three bearings. |
| C | Denotes a Moderate Preload (Class C) applied to the set for optimal rigidity and minimal deflection. |
7014 ACD/P4ATBTC Bearing Structural Features & Performance Benefits
High Rigidity and Stability: The triplex back-to-back (TBT) arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise rotational alignment under heavy combined loads.
Superior Load Capacity: The 25° contact angle and robust construction, featuring chrome steel rings and balls, provide high dynamic and static load ratings (23,850 lbf / 29,700 lbf), enabling reliable performance in strenuous conditions.
Optimized High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces, while the precision-ground components and preload contribute to smooth operation at limiting speeds of 29,000 rpm.
Pre- lubricated and Open Design: The bearing comes lubricated for immediate use and features an open seal type, allowing for customized lubrication regimes to suit specific application needs within its temperature range of -30°C to 110°C.
7014 ACD/P4ATBTC Bearing Typical Application Areas
- Machine Tool Spindles: For high-precision milling, grinding, and turning centers requiring extreme rigidity and speed.
- High-Frequency Motors and Spindles: Where high rotational speeds and accuracy are paramount.
- Precision Gearboxes and Pumps: To handle significant axial and radial loads in a compact envelope.
- Industrial Robotics: In arm joints and rotary units demanding high positional accuracy and load capacity.
