National Oil Seal 710913 Radial Shaft Oil Seal 56mm x 56.2mm x 8mm

The National Oil Seal 710913 is a precision-engineered radial shaft oil seal designed to prevent lubricant leakage and protect against contaminant intrusion in demanding automotive and industrial applications. As part of the trusted National Oil Seal product line, now manufactured under the Timken umbrella, this seal delivers the premium quality and reliability that professionals expect for critical sealing applications.

Key Specifications:

• Inner Diameter (Shaft Size): 56.00mm - 56.28mm
• Outer Diameter (Bore Size): 56.2mm
• Width: 8.00mm
• Design Type: Model 40 radial shaft seal
• Material: Nitrile rubber (NBR) with metal case construction

Features & Benefits:

• Metal-cased construction provides structural rigidity and prevents deformation under pressure
• Precision-molded nitrile rubber sealing element offers excellent resistance to petroleum-based oils and greases
• Garter spring maintains consistent lip contact pressure for reliable sealing performance
• Double-lip design helps exclude dirt, moisture, and other contaminants while retaining lubricants
• Suitable for operating temperatures from -40°F to 250°F (-40°C to 121°C)

Commonly used in automatic transmission output shafts, manual transmission applications, differential axles, gearboxes, and other rotating shaft assemblies. The National 710913 oil seal is a direct replacement component designed for easy installation in standard housing bores without modification.