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The National 455123 is a heavy-duty radial shaft oil seal designed to retain lubricants and exclude contaminants in automotive, industrial, and agricultural applications. Built with a nitrile sealing lip and reinforced metal case, it delivers long service life in demanding operating environments. Manufactured by National (Federal-Mogul/Moog), it is widely applied in gearboxes, differentials, and heavy-duty machinery. Technical Specifications: Manufacturer: National Oil Seals (Federal-Mogul/Moog) Part Number: 455123 Product Type: Radial Shaft Oil Seal Design: Single lip with spring-loaded sealing lip Material: Nitrile rubber (NBR) lip with steel outer case Inside Diameter (Shaft Size): 4.000 in (101.60 mm) Outside Diameter (Housing Bore): 5.001 in (127.00 mm) Width: 0.438 in (11.13 mm) Lip Type: Spring-loaded primary lip for oil retention Operating Temperature Range: -40°C to +100°C (-40°F to +212°F), intermittent up to +120°C (248°F) Applications: Axles, transmissions, gearboxes, industrial equipment, agricultural machinery Function: Retains oils/greases and prevents entry of dirt, dust, and water Manufacture Country: USA Please review pictures carefully and let us know if you have any questions!
Condition: New – Open box
Weight: 2.00
Depth: 12.00
Length: 12.00
Width: 12.00
SKU: 10355 4.S6.0.4
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