The Skeleton Oil Seal (Part No. 06.56279.0343) is a sealing spare part designed for shaft sealing applications in hydraulic and mechanical systems. Manufactured from durable NBR rubber with a steel reinforcement structure, the oil seal helps retain lubricating oil and reduce the entry of contaminants around rotating or moving shafts. The 06.56279.0343 skeleton oil seal is designed for reliable sealing performance under demanding equipment operating conditions. It is suitable for maintenance, repair, and replacement applications where dependable shaft sealing is required. This aftermarket replacement oil seal provides a practical solution for restoring sealing performance, reducing leakage, and supporting the reliable operation of compatible mining and heavy-duty equipment.