Hydraulic and Pneumatic Cylinders Heavy duty imperial mill CS spherical bearing mount 16 PS cap rectangular mount 18 TS intermediate trunnion mount 20 US head trunnion mount 22 FS head circular mount 23 KS no mount 24 Mounting accessories 26 Common options Rod end selection 29 Sealing systems 2 to 8 bore sizes 30 Sealing systems 10 to 16 bore sizes 31 Port and cushion selection 32