ANVER Vacuum Cups and Suction Cups Model: Universal 1.5 Bellows Part Number: B1.5-53-NBR Vacuum Cup Part Number and Material Flared Overall Dia. in. (mm) D Overall Dia. in. (mm) d Fitting Dia. in. (mm) H Static Height in. (mm) A Compressed Height in. (mm) Volume in.3 (cm3) Load Capacity* 2 to 1 Fitting Group (Click Image for More Info) Level Compensator Suspensions (Click Image for More Info) B1.5-53-NBR (Nitrile) 2.1 (53.3) 2.07 (52.5) 0.31 (8) 1.34 (34.0) 0.75 (19.0) 1.600 (26.30) 8.2 lbs (3.7 Kg)