Lubrication Free Pin Bush Couplings are designed in precise dimensions and have high torque transmission up to 23780 NM in 20 sizes. These Pin Bush Couplings are made from quality grade raw material in abrasion and corrosion resistant finish to ensure optimum performance for longer period of time. Pin Bush Couplings are flexible and unaffected by water, dust and atmospheric condition. Lubrication Free Pin Bush Couplings require no lubrication and permit drive in either direction.