28mm rc brushless motor High speed: Max 40,000 rpm; D28*L40mm; 68g; Used to Medical equipment, RC Hobby,electric drills, 28mm rc brushless motor Applied to Medical equipment, RC Hobby,electric drills,tools;High speed can reach 40,000 rpm;Diameter: 20mm;Length: 50mm;Weight: 55g;Noload current: 0.2-1 A;Shaft diameter: 3mm;Bearing: NSK ball bearing;Phase: Three;Power: Max 180 W;