SKF 46305 Trailer Wheel Seal | TN 22.5K Axle

SKF 46305 Trailer Wheel Seal – TN 22,500 lb Trailer Axle

The SKF 46305 Trailer Wheel Seal is a heavy-duty Scotseal Classic wheel seal designed for TN trailer axle applications rated up to 22,500 lb. Engineered to help retain wheel-end lubricant and protect bearings from dirt, moisture, and other contaminants, this seal is an excellent choice for commercial trailer wheel-end service and fleet maintenance.

The SKF 46305 features a unitized, one-piece design with three spring-loaded sealing lips and a nitrile rubber sealing material. Its durable construction provides dependable sealing performance in demanding trailer applications while helping reduce lubricant loss and contamination. citeturn0search3turn0search4

This seal is commonly used with Dana Spicer, Rockwell, Eaton, and Standard Forge trailer axle applications. Always verify the axle model, seal dimensions, and application before installation. citeturn0search0

Key Features

• SKF Scotseal Classic trailer wheel seal
• Part number 46305
• Designed for TN trailer axle applications
• Rated for 22,500 lb trailer axles
• Unitized one-piece seal design
• Three spring-loaded sealing lips
• Nitrile rubber sealing material
• Bore coated with Bore-Tite
• Helps retain wheel-end lubricant
• Helps protect bearings from dirt and contaminants

Specifications

• Brand: SKF
• Part Number: 46305
• Product: Scotseal Classic Trailer Wheel Seal
• Application: Trailer Axle
• Axle Type: TN
• Axle Rating: 22,500 lb
• Shaft / Seal Inner Diameter: 4.625 in
• Seal Outer Diameter: 6.006 in
• Housing Bore: 6.001 in
• Seal Width: 1.063 in
• Lip Material: Nitrile Rubber
• Seal Type: Triple Lip with Spring
• Condition: New

Common Applications

• TN 22.5K trailer axles
• Commercial trailer wheel ends
• Heavy-duty trailer maintenance
• Trailer wheel bearing service
• Fleet maintenance
• Trailer axle repairs
• Wheel-end seal replacement
• Preventive wheel-end maintenance

Performance Benefits

• ✔ Helps prevent wheel-end lubricant leakage
• ✔ Helps protect bearings from contamination
• ✔ Durable unitized seal construction
• ✔ Spring-loaded sealing lips provide dependable sealing
• ✔ Bore-Tite coating helps support proper installation
• ✔ Designed for demanding commercial trailer applications
• ✔ Helps protect expensive wheel-end components

Why Choose SKF 46305?

The SKF 46305 Scotseal Classic is designed specifically for demanding trailer wheel-end applications. Its unitized construction, triple-lip sealing design, and nitrile rubber sealing material provide dependable protection against lubricant loss and contamination.

For fleet operators and professional trailer technicians, replacing a worn or leaking wheel seal during wheel-end service can help protect bearings, reduce lubricant loss, and minimize the risk of premature wheel-end component failure.

Wheel Seal Replacement

Inspect the wheel seal whenever trailer hubs or wheel-end bearings are serviced. Signs of a damaged or worn seal can include lubricant around the hub, low lubricant levels, contaminated bearings, or recurring wheel-end leaks. Proper seal replacement helps maintain wheel-end lubrication and protect critical components.

Cross Reference Part Numbers

The SKF 46305 has numerous published cross-reference numbers, including National 370025A, National 380025A, Meritor MER0143, PAI BOS-7262, STEMCO 372-7097, Cummins 3070743, and REVHD R1-T03 / RM-T03. Cross-reference numbers should be used for identification only; always verify the exact axle and seal dimensions before ordering. citeturn0search2turn0search4