No-load Speed: 14RPM, 18RPM, 28RPM, 35RPM, 46RPM, 56RPM, 70RPM, 90RPM, 180RPM, 280RPM. NMRV30 NMRV40 Worm Gear Reducer Gear Box Motor Micro AC 220V 120W Gearmotors. Worm Gear Speed Reducer Gearbox Model: NMRV30 or NMRV40.
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