| Where self-alignment is called for................................ 4 When flexibility pays...................................................... 6 An incomparable range................................................. 9 Multi-purpose performance..........................................12 Selection of bearing size...............................................16 Load ratings.................................................................16 Basic rating life............................................................17 Load.............................................................................18 Equivalent dynamic bearing load............................18 Equivalent static bearing load.................................20 Permissible loads for rod ends................................20 Requisite bearing size..................................................21 Specific bearing load...............................................21 Mean sliding velocity...............................................21 Basic rating life............................................................24 Sliding contact surface combinations requiring maintenance: steel-on-steel and steel-on-bronze.......................................................24 Maintenance-free sliding contact surface combination steel/sinter bronze composite............26 Maintenance-free sliding contact surface combination steel/PTFE fabric................................27 Maintenance-free sliding contact surface combination steel/PTFE composite........................29 Variable load and sliding velocity............................30 Calculation examples...................................................30 Friction............................................................................35 Application of bearings..................................................36 Radial location of bearings..........................................36 Axial location of bearings.............................................40 Sealing.........................................................................43 Designing the bearing arrangement for easy mounting and dismounting..........................................46 Lubrication......................................................................48 Maintenance-free spherical plain bearings..................48 Rod ends requiring maintenance.................................50 Maintenance-free rod ends..........................................50 Maintenance...................................................................51 Mounting.........................................................................52 Spherical plain bearings .............................................52 Rod ends.....................................................................54 Dismounting....................................................................55 Spherical plain bearings .............................................55 Rod ends.....................................................................55 |