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