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Perfect quality, brand new, excellent price, exactly as shown in pictures! Unbelievable shipping, fast!!! Packaged very well! Great communication! AAA+++
Timken 74550B tapered roller bearing cone, new old stock in an opened box. Rolling Elements: Tapered Roller. Bore Diameter: 5.5000 in (139.700 mm). Cone Width: 1.8750 in (47.625 mm). Bore Type: Straight. Material: Case Carburized Steel.
Decoding the designation
74550B — Timken 74000-series cone, 5-1/2 in bore, also marked 74550-B and 74550 B.
What these specs mean in practice
A cone is the inner ring, roller set and cage. It runs in a separate 74000-series cup that forms the outer raceway.