NTN Tapered Roller Bearing Cone: 39578, 2 1/8 in Bore, 3.98 in OD, 1.187 in Cone Wd

The NTN 39578 tapered roller bearing cone is used in industrial machinery and automotive applications that require support for combined radial and axial loads. It is commonly found in gearboxes, conveyor systems, and heavy equipment where precise shaft alignment and durability under high loads are critical.

The NTN 39578 is an inch-system tapered roller bearing cone with a 2 1/8 in bore, 3.98 in OD, and 1.187 in cone width. It has a chrome steel cage, carbon steel ring, and tapered bore. It is compatible with cup part number 39520 and carries bearing industry number 39578.

3G Electric supplies the NTN 39578 tapered roller bearing cone worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NTN bearing cone globally.

To select the correct NTN tapered roller bearing cone, match the bore size (2 1/8 in), OD (3.98 in), and cone width (1.187 in) to your shaft and housing dimensions. Verify the system of measurement (inch) and ensure compatibility with cup part number 39520. Consult NTN specifications for load ratings and application requirements.