The Timken Company 455297 Single Lip Oil Seal

The Timken National Oil Seal 455297 is a single-lip oil seal with a spring designed to retain lubricants and exclude dirt, moisture, and other contaminants from rotating shaft systems. It is inch‑based in size with a 5.875 in shaft ID, 7.508 in outer diameter, 7.500 in housing bore, and 0.562 in width, featuring a solid inner‑case construction and nitrile (NBR) lip material, with Redi‑Coat protection. Operating from -40°F to 225°F (-40°C to 107°C) and up to 3000 ft/min shaft surface speed, it offers misalignment tolerances of 0.015 in at 800 rpm and 0.010 in at 4200 rpm, making it suitable for general‑purpose rotating equipment such as industrial gearboxes, pumps, electric motors, conveyor systems, mining equipment, and construction machinery. This seal belongs to Timken’s National 450000 series (Design Type 45) and is commonly cross‑referenced to SKF Equivalent Oil Seal or CR (Chicago Rawhide) Equivalent Oil Seal, as well as other National 450000 Series Oil Seals.