Taiwan San Ju SJ1751HE2-AEC axial fan

frame:aluminum ADC-12
Bearings:oil bearing&double ball bearing
Voltage:AC 100 v 220 v 380v
Life:60000 hours at 20 ℃-ball bearings
30000 hours at 20 ℃-oil bearing
Operating temperature:-20 ℃ ~ 70 ℃ normal humidity