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Grease: Lithium-based grease (NLGI 2) with 15%-20% cavity filling; synthetic polyurea grease recommended for temperatures exceeding 120°C
Oil: Circulating oil systems with ISO VG 32-68 oils for continuous high-speed operation to enhance heat dissipation
Inspection intervals:
Monitor vibration, temperature, and noise every 6-8 hours in heavy-duty cycles
Replace lubricant every 4,000~8,000 hours, depending on load and environmental conditions
Certifications & Compatibility
Standards compliance: Meets ISO 9001:2015 and industry standards (e.g., ISO 281 for load ratings)
Cross-brand compatibility: Interchangeable with equivalent standard models
Summary
The 7220AC angular contact ball bearing balances high load capacity (up to 140kN dynamic), precision, and adaptability, making it ideal for heavy-duty industrial, transportation, and precision equipment. Its standardized design simplifies installation, while material and sealing options extend usability across diverse environments. With proper lubrication and maintenance, it delivers reliable performance in high-load, high-speed scenarios.
Note: Specific parameters may vary by production standards. Consult technical documentation for detailed specifications.
Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was... Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was...
