P P P (Head side pressure port) P (Rod side pressure port) (Rod side pressure port) (Head side pressure port) K F N N H A MM NN AL oD oE H1 H2 Effective thread length FL Width across flats KA ZZ + Stroke S + Stroke Width across flats B1 Width across flats B2 NA oI Q QY NA G G P P (Rod side pressure port) (Head side pressure port) Construction Basic (B) Replacement Part: Seal Component Parts * Since the seal does not include a grease pack, order it separately. Grease pack part number: GR-S-010 (10 g) No. Description Material Note 1 Rod cover Aluminum alloy Clear anodized 2 Head cover Aluminum alloy Clear anodized 3 Cylinder tube Stainless steel 4 Piston Aluminum alloy Chromated 5 Piston rod Carbon steel Hard chrome plating 6 Bushing Bearing alloy 7 Seal retainer Stainless steel 8 Retaining ring Carbon steel Phosphate coating 9 Pipe Aluminum alloy Clear anodized 10 Stud Brass Electroless nickel plating 11 Bumper A Urethane 12 Bumper B Urethane No. Description Material Part no. 20 25 32 40 22 Rod seal NBR CM220-PS CM225-PS CM232-PS CM240-PS No. Description Material Note 13 Retaining ring Stainless steel 14 Piston seal NBR 15 Piston gasket NBR 16 Gasket Resin 17 Pipe gasket Urethane rubber 18 Spacer gasket Resin Except o25 19 Wear ring Resin 20 Mounting nut Carbon steel Nickel plating 21 Rod end nut Carbon steel Zinc chromated Bore size P Stroke o20 o20 o25 o32 to o40 (mm) * The dimensions of air cylinders with a rod boot are the same as the standard, double acting/single rod boss-cut type. Refer to page 13. Bore size A AL B1 B2 D E F FL G H H1 H2 I K KA MM N NA NN P Q QY S ZZ 20 18 15.5 13 26 8 20 0 . 0.033 13 10.5 . 41 5 8 28 5 6 M8 x 1.25 15 24 M20 x 1.5 1/8 19.8 14 62 103 25 22 19.5 17 32 10 26 0 . 0.033 13 10.5 . 45 6 8 33.5 5.5 8 M10 x 1.25 15 30 M26 x 1.5 1/8 22 14 62 107 32 22 19.5 17 32 12 26 0 . 0.033 13 10.5 9 45 6 8 37.5 5.5 10 M10 x 1.25 15 34.5 M26 x 1.5 1/8 25.8 16 64 109 40 24 21 22 41 14 32 0 . 0.039 16 13.5 10.5 50 8 10 46.5 7 12 M14 x 1.5 21.5 42.5 M32 x 2 1/4 29.8 16 88 138 CM2B 82 Air Cylinder: Centralized Piping Type Double Acting, Single Rod Series CM2lP CM2Q CBM2 CM2�ｮP CM2RK CM2R CM2K CM2KW CM2K CM2 CM2W CM2 Low Friction With End Lock Centralized Piping Direct Mount, Non-rotating Rod Direct Mount Non-rotating Rod Standard Double Acting, Single Rod Double Acting, Single Rod Double Acting, Single Rod Double Acting, Single Rod Single Acting, Spring Return/Extend Double Acting, Double Rod Double Acting, Single Rod Single Acting, Spring Return/Extend Double Acting, Double Rod Double Acting, Single Rod Made to Order Auto Switch