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(5) single journal bearing                  Four unknowns. The
                                                     reactions  are   two
                                                     force and two couple-
                                                     moment components
                                                     which             act
                                                     perpendicular to the
                                                     shaft.  Note:    The
                                                     couple moments are
                                                     generally not applied
                                                     if   the   body    is
                                                     supported elsewhere.
         (6) single journal bearing with square shaft   Five  unknowns. The
                                                     reactions  are   two
                                                     force    and    three
                                                     couple-moment
                                                     components.    Note:
                                                     The couple moments
                                                     are   generally  not
                                                     applied if the body is
                                                     supported elsewhere.
         (7) single thrust bearing                   Five  unknowns. The
                                                     reactions are  three
                                                     force and two couple-
                                                     moment components.
                                                     Note:   The   couple
                                                     moments           are
                                                     generally not applied
                                                     if   the   body    is
                                                     supported elsewhere.
         (8) single smooth pin                       Five  unknowns. The
                                                     reactions are  three
                                                     force and two couple-
                                                     moment components.
                                                     Note:   The   couple
                                                     moments           are
                                                     generally not applied
                                                     if   the   body    is
                                                     supported elsewhere.
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