To ensure a perfect operation and a long life of rolling bearings is essential a lubricant film covering the surface of contact of the balls (or rollers) , to allow a smooth sliding and to remove the heat generated by friction.
STEP 1: Choose the kind of lubrication want to use:
STEP 2: Indicate unit of measurement
STEP 3: Insert values: "D" ( bearing diamter)
"N" ( numbers of rows) or "L" (width of bearing, only for A/O lubrication)