Timken 5169 Dual Lip Spring Loaded Radial Shaft Oil Seal

Description:

The Timken National Oil Seal 5169 is a dual-lip, spring-loaded radial shaft oil seal designed to retain lubricants while preventing dirt, moisture, and other contaminants from entering rotating shaft systems. Manufactured with a nitrile (NBR) sealing element and a steel case, it is suitable for industrial gearboxes, pumps, electric motors, conveyors, agricultural equipment, and power transmission machinery. It is widely used by OEMs and maintenance professionals for replacement, rebuild, retrofit, and preventive maintenance applications.

Applications:

The Timken National Oil Seal 5169 is designed for general-purpose rotary shaft sealing in equipment operating with oil or grease lubrication. Its dual-lip construction provides improved contaminant exclusion while maintaining lubricant retention, making it suitable for industrial gearboxes, pumps, compressors, electric motors, conveyor systems, agricultural machinery, and other rotating equipment.

Technical Specifications:

• Manufacturer Part Number (MPN): 5169
• Manufacturer: Timken
• Brand: National
• Product Type: Oil Seal
• Series: General Purpose Industrial Oil Seal
• Seal Type: Dual Lip with One Spring (Type 47)
• Material: Nitrile Rubber (NBR)
• Lip Material: Nitrile (NBR)
• Case Construction: Steel Case Without Inner Case
• Redi-Coat: Yes
• Measurement System: Inch
• Shaft Diameter (ID): 3.250 in (82.55 mm)
• Outside Diameter (OD): 4.254 in (108.05 mm)
• Housing Bore: 4.254 in (108.05 mm)
• Overall Width: 0.468 in (11.89 mm) (some kit listings reference a 0.750 in overall assembly width)
• Lip Type: Multi-Lip with Spring
• Pressure Rating: Up to 3 psi
• Operating Temperature: -20°F to 300°F (-29°C to 149°C)
• Maximum Misalignment/Runout: 0.010 in
• Weight: Approximately 0.435 lb (0.20 kg)
• Typical Applications: Industrial Gearboxes, Pumps, Electric Motors, Conveyors, Compressors, Power Transmission Equipment.

Common Replacements:

• SKF Equivalent Oil Seal
• CR (Chicago Rawhide) 33659
• National General Purpose Oil Seal (Type 47)