S7013 ACE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7013 ACE/HCP4A Bearing Product Overview & Core Advantages
The S7013 ACE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single-row bearing is distinguished by its P4 (ABEC-7) tolerance class and is preloaded, delivering superior rotational accuracy, high rigidity, and excellent running smoothness. Its 25° contact angle is optimized to handle significant axial loads in one direction while accommodating combined radial and axial loads. The combination of a ceramic ball material and a phenolic cage contributes to its high-speed capabilities, low friction, and extended service life, making it an ideal choice for high-reliability, high-speed spindle systems.
S7013 ACE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
- S7013: Denotes the bearing series and size (65mm bore, 100mm OD, 18mm width).
- A: Signifies a 25° contact angle.
- C: Indicates the use of Ceramic (Si3N4) balls.
- E: Specifies a High-Grade Phenolic Resin Cage.
- HC: Represents a High-Capacity internal geometry design.
- P4: Confirms the P4 (ABEC-7) super-precision tolerance class.
- A: Denotes that the bearing is supplied with a preload.
S7013 ACE/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The preloaded design and P4 tolerance class ensure minimal axial and radial play, providing exceptional system stiffness and rotational accuracy critical for machine tool spindles.
- Superior High-Speed Performance: The ceramic balls reduce centrifugal forces and friction, while the lightweight phenolic cage offers excellent dimensional stability at high temperatures and speeds, enabling a limiting speed of 20,000 rpm.
- Enhanced Load Capacity: The 25° contact angle and high-capacity (HC) design are optimized to carry substantial axial loads and combined loads efficiently.
- Reduced Maintenance & Long Life: The bearing is pre-lubricated and the sealed design protects against contamination, ensuring consistent performance and a long, maintenance-free service interval within the specified temperature range of -30°C to 110°C.
S7013 ACE/HCP4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors and Spindles: Applications requiring extreme rotational velocities.
- Medical and Dental Equipment: High-speed handpieces and scanners.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
