Bm1 series orbital hydraulic motor have an integrated body made of output shaft and spool valve, stator-rotor assemble of toothed shape Main function features 1.Shaft distributes flow, simple and compact structure, high accuracy of flow distributing 2.Stator-rotor of toothed shape, high mechanical efficiency, longer working lifetime under high pressure 3.Touching-ball bearing of coupled-angle, bear higher loading in both radial and axial directions, small friction force, high mechanical efficiency Bm1 series main performance specification 8kg to 20kg