UNASIS is a European professional high-temperature industrial fan manufacturer with ISO9001 certification, serving metallurgy, chemical furnace exhaust and thermal treatment lines.
Furnace outlet fans run continuously at 300–650°C under strong cyclic vibration; original standard bearings carbonized lubricant and deformed, triggering repeated shutdowns.
Deliver customized high-temperature self-aligning ball bearings for 300–650°C heat and persistent vibration, extend life, eliminate fan shake and noise, meet EU inspection standards with per-batch test reports—without changing fan mounting sizes.
300–650°C constant heat plus high-speed blade vibration carbonized grease, causing lockup and fan jitter.
Limited fan housing space; outer diameter and thickness could not change—internal optimization only.
Every batch required full chemical, heat-treatment and mechanical test reports for European audits.
Frequent bearing replacement caused long line halts and heavy output loss.
Ceramic rolling elements with heat-resistant stainless inner and outer rings raise deformation and impact tolerance.
High-temp solid lubricant inside the cavity resists carbonization up to 650°C—no mid-cycle refueling.
Ultra-ground raceways calibrate internal clearance to offset thermal expansion and damp vibration.
Optimized spherical raceway compensates shaft deflection from fan vibration, eliminating abnormal noise.
Fans fitted with 2210-2RSHT-H300 bearings ran 10 consecutive months without replacement; vibration fell 60%, noise was fully eliminated, shutdown frequency dropped 75%, and an annual bulk-supply cooperation was signed.
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We are with 30 years of production experience and 20 years of export experience, Professional technical team and after-sales service.
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