Product Description

The Timken 52637 is a single tapered roller bearing cup, also referred to as the outer ring of a separable tapered roller bearing assembly. Part number 52637 belongs to Timken's 52000 series and is designed to pair with a matching cone assembly (sold separately) to form a complete tapered roller bearing unit capable of handling combined radial and axial loads. The cup outer diameter is 6.375 inches (161.925 mm) and the cup width is approximately 1.031 inches (26.2 mm). Manufactured from Timken high-alloy steel, the cup features an open raceway geometry that accommodates lubrication and precise adjustment during installation. This series is commonly used in heavy-duty industrial, agricultural, construction, and automotive axle applications where high load capacity and reliable operation under moderate speeds are required.