Rod end with locking slot is made up of a rod end and a radial spherical plain bearing of series GE …ES,fixed in housing by snap rings ,rod end of carbon steel (d <60); carbon steel or spheroidal grap hite cast iron ( 60≤d≤90); spheroidal graphite cast iron (d >90). Thread can be closed because shank is s lotted,thread clamping by two hexagon socket screws of series SIR…ES;without socket screw of SIRN…ES; All can be relubricated via a nipple.