Submerged Non-clog Pump,submerged slurry pump,Vertical Slurry Pumps Sichuan Zigong Industrial Pump Co.,Ltd. , https://www.zgpump-global.comHigh-Speed Precision Angular Contact Ball Bearing Device Tips
High-speed precision angular contact ball bearings are specifically designed for high-speed rotating applications with light loads. These bearings are known for their high precision, high-speed capability, low temperature rise, and minimal oscillation, making them ideal for long service life. They are commonly used as support systems in high-speed electric spindles, especially in internal and external surface grinders.
**Key Technical Objectives:**
1. **Bearing Accuracy:** Exceeds GB/T 307.1-94 P4 grade.
2. **High-Speed Performance:** dmN value ranges from 1.3 to 1.8 × 10ⶠ/min.
3. **Service Life (even):** Greater than 1,500 hours.
The service life of these high-speed angular contact ball bearings is heavily influenced by the installation and maintenance process. Here are some important considerations:
1. **Installation Environment:** The bearing should be installed in a dust-free and clean room. Careful selection of the bearing and precise grinding of the spacer is essential. Ensure that the inner and outer ring spacers maintain proper height and that the parallelism of the spacer remains below 1 micrometer.
2. **Pre-Cleaning:** Before installation, the bearing must be thoroughly cleaned. When the inner ring is facing upwards, ensure that the hand feels sensitive and there is no blockage. After drying, apply the correct amount of oil. If an oil mist is present, add a small amount of oil mist lubricant.
3. **Installation Tools:** Use specialized tools during installation to ensure even pressure and avoid any impact or hammering.
4. **Storage Conditions:** Store bearings in a clean and well-ventilated area, away from corrosive gases. Maintain relative humidity below 65%. For long-term storage, regular rust prevention measures should be taken.
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Source: China Bearing Network | Date: May 20, 2014