Caterpillar 1443927 Seal Lip Type Bore 123.85mm OD 123.98mm Shaft OD 98.42mm

Caterpillar 1443927 is a Seal Lip Type seal that is specified for a bore of 123.85 mm, an outer diameter of 123.98 mm, and a shaft diameter of 98.42 mm. As a Caterpillar replacement part, it is cataloged under CAT 1443927 and is intended for use in assemblies where this exact geometry is required. The bore, outer diameter, and shaft diameter define the sealing interface and the seating surfaces the lip engages to form a seal against lubricant leakage and contaminant ingress in compatible housings. This part is designed to be installed in equipment that uses this lip-seal configuration and these dimensions, providing a dedicated and precise fit for applications that call out these measurements. Caterpillar’s naming convention and part-numbering help ensure correct identification and reuse in restoration or maintenance projects involving CAT machinery.