Timken 52637 Tapered Roller Bearing Cup 5.277 x 6.375 x 1.031 in Inspected Surplus - Appears Unused
Timken 52637 Tapered Roller Bearing Cup 5.277 x 6.375 x 1.031 in Inspected Surplus - Appears Unused
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Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.
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Estimated package weight: 10.0 lbs
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Product Specifications
- Manufacturer: Timken
- MPN / Model: 52637
- Product Type: Tapered Roller Bearing Cup
- Series: 52000
- Cup Outer Diameter: 6.375 In. (161.925 mm)
- Cup Width: 1.031 In. (26.2 mm)
- Material: Timken High-Alloy Steel
- Stock Number: 0526-01441
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. The item is presented in its original Timken orange and black packaging with the part number 52637 CUP printed on the box, and the bearing itself remains wrapped in the original Timken wax paper. Compatible cone part numbers from Timken include 52375 and 52400, which are commonly listed as matched sets with this cup.

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Returns & Condition
All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.
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