... , high quality, low cost 3. Short lead time. Iron motor bushes for electric fans and other motors, can replace GKN or MSP ... consistence.Powder metallurgy, low noise, and low costMaterials: iron, copper and bronze, Iron+Bronze optional, can be spherical or cylindricalHigh precision, all ... different sizes are available. Shape can be spherical or Cylindrical. iron motor bush for electric motors