seal split for 8 3 4in shaft john mansville no 5280 rpd bore dia 9 75 x 0 438in width ball mill slurry mix 14800181 seal oil for 9 525 mm shaft chi raw hideno 3630 discontinued obsolete by ferdi james inventory reduction seal mechanical 5 star 85 series cartridge seal faces tungsten carbide vs silicon carbide with epdm caustic …