This D36 series brushed DC motor(Dia. 36mm) applied rigid working circumstances in medical suction pump, with equivalent quality comparing to other big brands but cost-effective for dollars saving. It is durable for harsh vibration working condition with S1 working duty, stainless steel shaft, and anodizing surface treatment with 1000 hours long life requirement requirements. Specification: ï?¬Voltage: 12VDC,24VDC ï?¬Output Power: 15~100 watts ï?¬Duty: S1, S2 ï?¬Speed Range: up to 10,000 rpm ï?¬Operational Temperature: -20�°C to +40�°C ï?¬Insulation Grade: Class B, Class F, Class H ï?¬Bearing Type: � sleeve bearings� , ball bearings ï?¬Optional shaft material: #45 Steel, Stainless Steel, Cr40 ï?¬Optional housing surface treatment: Powder Coated, Electroplating,Anodizing ï?¬Housing Type: Air Ventilated, Water Proof IP68. Application