Lubrication Free Jaw Couplings comprise of two hubs connected by flexible spiders. These Jaw Couplings are easy to install and require no lubrication. Lubrication Free Jaw Couplings ensure no metal to metal contact and built in flexibility for angular and parallel misalignment. Lubrication Free Jaw Couplings are available in bore size range of 115 mm and 600KW power rating.