The 7213-7219 series single row angular contact ball bearings are engineered for high-speed, low-noise operations in precision machinery. Key features include:
Modelo | Diâmetro do furo (mm) | Diâmetro exterior (mm) | Largura (mm) | Carga dinâmica (kN) | Carga estática (kN) |
---|---|---|---|---|---|
7213 | 65 | 120 | 23 | 48.5 | 32.0 |
7214 | 70 | 125 | 24 | 53.2 | 36.5 |
Principais vantagens. Reduced friction (ABEC-3/ABEC-5), noise levels ≤20 dB, grease-lubricated for 10,000+ hours.
Optimized for axial-radial load management in:
Operational Limits: Temperature range -30°C to +120°C, maximum speed factor (n*dm) 1.4 million mm/min.
Implementing 7216 bearings in 5-axis CNC machines reduced thermal displacement by 18% while maintaining ±2μm accuracy.
7219 series in wind turbine pitch controls achieved 98.7% reliability through 5-year coastal environment testing.
Cliente. Top-tier European auto supplier
Desafio. Reduce gearbox noise below 65 dB
Solução. Custom 7215 bearings with hybrid ceramic balls
Resultado. 63 dB operation with 40% longer service intervals
Cliente. NASDAQ-listed aerospace firm
Desafio. Achieve MIL-STD-810 shock resistance
Solução. 7217 series with modified cage design
Resultado. Passed 50g shock tests, 100% on-time delivery
Critérios de seleção.
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Telefone. (86) 15866781826
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