Based on this product's specifications, here are some alternatives and similar models
Hydraulic Press O-ring GEKO CG02090A 20T (60×6 mm)
Summary description:
Replacement O-ring for GEKO hydraulic press model CG02090A rated 20T. Dimensions: 60×6 mm. Designed as a sealing component for press cylinders, pistons or tooling interfaces to prevent hydraulic fluid leakage and maintain pressure. Suitable for maintenance and repair tasks on 20-ton hydraulic presses where a 60 mm outer diameter and 6 mm cross-section seal is required.