Motor pump mechanical seal 31-41 on shaft 17 mm

Gasoline pumping station rubber springy mechanical seal, suitable for CROSSER, Forte FP10C, sea water pump Bombas PSH MAXI.2, drainage pump WILO LPC 50/25, jacuzzi pump lx whirlpool bath TDA 120, other motor pumps,

on the shaft ∅17 mm (inner diameter 18 mm),
diameter of the sealed ceramic ring 31 mm,
diameter of the rubber frame of the housing - 41 mm;
total height with ring - 28 mm;
height without ring - 21.