... Low noise and small vibration-adopt the rolling bearing of international famous brandwith low noise to ensure the long life ... Low: 700rpm,Single phase, 220V, 50HZInsulate class: B, air over motor, Counter clockwise or clockwise rotation, watching leads end, Thermal protection ... with NSK bearings which is a joint venture in ChinaEach motor can be equipped with a metal standProducing standard: Japanese ...