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14 www.techno-isel.com Technical Information L ––– 2 L ––– 4 L ––– 2 L ––– 4 d3 ––– d1 ( ) d3 ––– d1 ( ) L ––– 4 L ––– 2 d4 d2 d3 d4 F1 F3 F2 F4 L F1S F2S F2 F1 F3 d1 TO CENTER OF SCREW FROM CENTER OF TABLE d2 F4S F2 F2S F1S L F1 F3 F4 L d1 d3 d1 d3 d4 d2 F3S F4 Horizontal Translation with Side Load:  when a side load is applied to the bearing system, the loads on the individual  bearings  change,  and  new  equations  are required.  Each bearing will have a resultant normal load as  well  as  a  side  load.   The  orientation  of  the  applied load with respect to the bearing system is the important feature to consider.  This means that these equations can still be used even if the orientation of the translation is not horizontal, as long as the load to bearing relationship is preserved. VerticalTranslation with Vertical Load:  when the load is  applied  in  the  direction  of  travel  (thrust),  then  the following equations should be used to calculate the loads on  each  bearing  block.   This  type  of  configuration  is generally found in vertical applications.  The orientation of the applied load with respect to the bearing system is the important feature to consider.  This means that these equations can still be used even if the orientation of the translation is not vertical, as long as the load to bearing relationship is preserved. F2 = + L ––– 4 L ––– 2 d4 ––– d2 F1 = + d3 ––– d1 ( ) d4 ––– d2 F3 = d4 ––– d2 L ––– 4 L ––– 2 d3 ––– d1 d4 ––– d2 F4 =       +                + (          ) F2S = F4S = d3 ––– d1 (    ) F1S = F3S = + L ––– 4 d3 ––– d1 (    ) L ––– 2 F3 = F4 = L ––– 2 d4 ––– d2 (    ) F1 = F2 = L ––– 2 d4 ––– d2 (    ) F1 = F3 = L ––– 2 d3 ––– d1 (    ) F2 = F4 = L ––– 2 d3 ––– d1 (    ) F1S = F3S = L ––– 2 d4 ––– d2 (    ) F2S = F4S = L ––– 2 d4 ––– d2 (    ) (7) (8) (9) – – – – – – – – FORMAT 1 FORMAT 2 FORMAT 3