7015 ACEGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7015 ACEGB/P4A Bearing Product Overview & Core Advantages
The 7015 ACEGB/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Designed to accommodate primarily radial loads combined with significant axial loads in one direction, this bearing features a 25° contact angle and P4A super-precision tolerance for superior running accuracy. Its phenolic resin cage and factory-applied lubrication enable outstanding high-speed performance up to 31,000 rpm, making it ideal for demanding applications where precision, reliability, and high rigidity are critical requirements.
7015 ACEGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7015 | Basic bearing designation: 75mm bore, 115mm OD, 20mm width |
| AC | Angular Contact design with 25° contact angle |
| EGB | Optimized internal geometry for improved performance |
| P4A | Super precision tolerance class (superior to ABEC 7) |
7015 ACEGB/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional dimensional stability and running accuracy for high-precision applications.
High-Speed Capability: The phenolic resin cage provides excellent strength-to-weight ratio and reduced friction, while factory lubrication enables operation at limiting speeds of 31,000 rpm.
Superior Load Capacity: With a radial dynamic load rating of 5,558 lbf and radial static load rating of 4,590 lbf, this bearing delivers reliable performance under combined radial and axial loads.
Universal Matching Design: As a Universal Matchable (SU) bearing, it can be paired with another identical bearing in various preload configurations, providing design flexibility for precise axial clearance control.
7015 ACEGB/P4A Bearing Typical Application Areas
- Machine tool spindles requiring high precision and rigidity
- High-speed machining centers and precision grinding machines
- Industrial pumps and compressors operating at elevated speeds
- Precision instruments and measuring equipment
- Aerospace components demanding super-precision performance
- Robotic systems and automation equipment
