7010 ACBGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7010 ACBGA/P4A Bearing Product Overview & Core Advantages
The 7010 ACBGA/P4A is a single-row angular contact ball bearing designed for ultra-precision applications requiring exceptional running accuracy and high-speed capability. Manufactured to P4A tolerance class with an Extra Light (Class A) preload, this bearing delivers superior rotational precision, minimal vibration, and optimized stiffness. Its 25° contact angle provides excellent resistance to combined radial and axial loads. The phenolic cage and universal matching (SU) designation enable stable operation at limiting speeds up to 46,000 rpm, making it ideal for high-performance spindle systems.
7010 ACBGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Performance Benefit |
|---|---|---|
| AC | Angular Contact | Optimized for combined radial and axial loads |
| BGA | Extra Light Preload (Class A) | Minimal friction, ideal for high-speed applications |
| P4A | Super Precision Tolerance | Exceptional running accuracy and dimensional stability |
| SU | Universal Matchable | Flexible mounting arrangements in pairs |
7010 ACBGA/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P4A super precision standards with tight dimensional tolerances (bore: -0.004mm to 0, OD: -0.004mm to 0) ensuring consistent performance in demanding applications.
High-Speed Capability: The phenolic resin cage provides excellent strength-to-weight ratio and reduced centrifugal forces, enabling stable operation at 46,000 rpm limiting speed.
Optimized Load Capacity: With a 25° contact angle and 27 high-precision chrome steel balls, this bearing achieves dynamic load rating of 2,106 lbf and static load rating of 1,654 lbf for reliable performance under combined loads.
Thermal Stability: The phenolic cage and chrome steel construction maintain dimensional stability across the operating temperature range of -30°C to 110°C.
7010 ACBGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles
- High-Speed Motors: Servo motors, spindle motors, and high-frequency applications
- Precision Instruments: Measuring equipment, optical systems, and laboratory instruments
- Aerospace Components: Gyroscopes, navigation systems, and aircraft instrumentation
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
