7013 ACD/P4ATBTG99GMM2
7000 Series Super Precision Angular Contact Ball Bearings
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7013 ACD/P4ATBTG99GMM2 Bearing Product Overview & Core Advantages
The 7013 ACD/P4ATBTG99GMM2 is a precision angular contact ball bearing designed for applications demanding exceptional rigidity and accuracy. This bearing is supplied as a matched triplex back-to-back (TBT) set, delivering superior performance under combined loads and high-speed conditions. Its P4A tolerance class ensures ultra-precise running accuracy, making it ideal for high-performance spindles and precision machinery. The phenolic cage and optimized contact angle of 25° contribute to its outstanding high-speed capabilities and operational stability.
7013 ACD/P4ATBTG99GMM2 Bearing Model Code Explained, Specifications & Naming Convention
- 7013: Basic bearing designation (65mm bore, 100mm OD, 54mm width)
- ACD: Angular Contact design with a 25° contact angle
- P4A: High precision tolerance class exceeding ABEC 7 standards
- TBT: Triplex Back-to-Back matched arrangement (set of 3 bearings)
- G: Special preload classification
- 99GMM2: Specific internal design and manufacturing specifications
7013 ACD/P4ATBTG99GMM2 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The triplex back-to-back arrangement creates an extremely rigid bearing system capable of withstanding heavy combined radial and axial loads from both directions. This configuration provides exceptional moment load resistance and operational stability.
Precision Performance: Manufactured to P4A tolerance class standards, this bearing ensures minimal runout and vibration, critical for high-precision applications. The precise bearing dimensions and tight tolerances guarantee consistent performance.
High-Speed Capability: The phenolic resin cage offers excellent strength-to-weight ratio and smooth operation at high rotational speeds, with a limiting speed of 31,000 rpm. The optimized 25° contact angle balances axial and radial load capacity while maintaining high-speed performance.
Superior Material Construction: Manufactured from chrome steel for both rings and balls, this bearing delivers excellent wear resistance and long service life under demanding operating conditions.
7013 ACD/P4ATBTG99GMM2 Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and turning centers
- High-Speed Machining Centers: Applications requiring extreme accuracy and rigidity
- Precision Instrumentation: Measuring equipment and laboratory instruments
- Robotics & Automation: High-precision robotic joints and positioning systems
- Aerospace Components: Critical rotating assemblies requiring precision and reliability
