Timken National Oil Seal 415187

Description:

The Timken National 415187 oil seal is a radial shaft oil seal used in industrial rotating equipment to retain lubricant and prevent contaminants from entering bearing assemblies. Commonly installed in industrial gearboxes, pumps, electric motors, conveyors, compressors, and heavy-duty power transmission equipment where dependable shaft sealing is required. Maintenance teams, OEMs, and system integrators use this oil seal for preventive maintenance, equipment repair, and seal replacement to minimize lubricant leakage and extend bearing service life.

Applications:

The Timken National 415187 oil seal is designed for heavy-duty industrial sealing applications requiring reliable lubricant retention and protection against dust, dirt, and moisture. Its Type 41 dual-lip nitrile construction makes it suitable for industrial gearboxes, electric motors, pumps, conveyors, compressors, and other rotating machinery where effective shaft sealing improves equipment reliability and reduces maintenance downtime.

Technical Specifications:

• Manufacturer Part Number (MPN): 415187
• Manufacturer: Timken National
• Product Type: Industrial radial shaft oil seal
• Seal Type: Type 41
• Series: 410000
• Lip Configuration: Dual lip with one spring
• Lip Material: Nitrile (NBR)
• Shaft Diameter: 4.000 in (101.600 mm)
• Outside Diameter: 4.881 in (123.977 mm)
• Housing Bore: 4.876 in (123.850 mm)
• Overall Width: 0.625 in (15.875 mm)
• Case Construction: Steel case with inner case
• Redi-Coat: Yes
• Maximum Shaft Surface Speed: 3000 ft/min
• Pressure Rating: 7 psi
• Operating Temperature Range: -40°F to 225°F (-40°C to 107°C)

Common Replacements:

• SKF 415187
• CR 415187
• National 415187