Timken 456141 Oil Seal

Timken National Oil Seal 456141 is a single-lip oil seal designed to retain lubricants and exclude dirt, moisture, and other contaminants from rotating shaft systems. Manufactured by Timken under the National brand, it belongs to the 450000 series and uses a Type 45 construction with a single-lip seal and spring. The seal is made of Nitrile (NBR) with a solid inner-case construction and is Redi-Coat ready. Its inch-based dimensions include a 4.312 in shaft ID, 5.381 in outer diameter, 5.376 in housing bore, and 0.500 in overall width. Maximum shaft surface speed is 3000 ft/min, with misalignment tolerance of 0.015 in at 800 rpm and 0.010 in at 4200 rpm. It operates from -40°F to 225°F (-40°C to 107°C). Common applications span industrial gearboxes, pumps, electric motors, conveyor systems, mining machinery, and other general-purpose rotating equipment to reduce lubricant leakage and protect bearings and lubricated components.