3994+3920 tapered roller bearing 2.5/8x4.7/16x1.3/16
3994 3920 Tapered Roller Bearings as Cone or Cup Set 3994+3920. Sizes: ID:2-5/8' x OD:4-7/16' x W: 1-3/16' Inches. Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads.
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