Lubrication Free Nylon Geared Couplings consist of two steel gear hubs engaging in a sieve of optimum grade of tough and high temperature resistance. These Nylon Geared Couplings are featured with crown gear tooth which permits axial and angular misalignment. These Nylon Geared Couplings are easy to assemble and require no maintenance and lubrication. Lubrication Free Nylon Geared Couplings ensure no transmission noise.