Bearing construction: maintenance-free NMB double ball bearings. New Cooling For NMB-MAT 5915PC-23T-B30 A00/B00 AC 230V 35W 170 150 38mm Server Cooler Fan. Size : 170 150 38mm. Input power : 35W. Service life : L10 at 25 °C has an estimated life of 50,000 hours.
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