oil seal 55x72x6/ATDSL/PTFE+NBR for F6317 This oil seal measures 55x72x6 mm and is designed for compatibility with applications requiring a F6317 equivalent.Constructed with NBR (Nitrile Butadiene Rubber) and PTFE (Polytetrafluoroethylene), it offers performance in -pressure environments.The combination of NBR and PTFE enhances resistance to pressure, wear, and a wide range of chemical substances, contributing to extended service life. It operates effectively across a broad temperature range and maintains sealing integrity under demanding conditions.Suitable for use in hydraulic pumps and motors, including gear pumps, plunger pumps, vane pumps, and hydraulic motors in concrete pump trucks, excavators, farming-related machinery, and engineering.Commonly applied in road rollers, scrapers, loading machines, dump trucks, mixer trucks, and similar heavy-duty machinery. The design supports stable functionality in dynamic sealing applications involving rotating shafts.Ideal for maintenance and replacement in industrial and mobile hydraulic systems where durability and consistent performance are required. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.