From size 25 to 63 the gears are always supplied in the Universal placement and may therefore be mounted in any position, from size 75 to size 130 if the position required differs from B3 it should be specified. In particular, in the event that a gear in position B3 is usually to be mounted in positions V5 or V6, the bearing situated in the upper side must be lubricated using suitable grease that ensures proper lubrication. We’ve tested CHPC/CHM – WORM GEAR WITH PRE-STAGE MODULE Tecnolubeseal POLYMER 400/2 grease.