Single Row Tapered Roller Bearing 3994 3920 Pro Grade Heavy Duty Precision Part for Machinery and Automotive Projects 66.68 mm Inner Diameter 112.71 mm Outer Diameter 30.16 mm Width
✔️ 66.68mm ID x 112.71mm OD x 30.16mm W, single-row
The 3994/3920 tapered roller bearing is a precision, single-row unit designed for heavy-duty machinery and automotive projects. It handles combined radial and axial loads thanks to its conical raceways and tapered rollers, and is typically used in paired (mirror-image) configurations for optimal load distribution.
✅ Inner diameter 66.68 mm (2.6250 in)
✅ Outer diameter 112.71 mm (4.4375 in)
✅ Width 30.16 mm (1.1875 in)
✅ Single-row tapered roller bearing with open design
✅ Weight 1.15 kg
💡 What is a typical use case for a single-row tapered roller bearing in industry? These bearings are built to handle combined radial and axial loads in one direction, making them handy in heavy machinery and automotive components. - handles high radial and axial loads in one direction - common in gearboxes, axles, and heavy equipment - requires mirrored pairing for proper installation - standard precision is suitable for most general-use applications
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