Large size single row cylindrical roller bearing NUP 3984 ECMA by SKF brand.

Cylindrical bore type for 16.535 in. / 420 mm. shaft diametr, outer ring surface is cylindrical.
Made of hardened carbon chromium bearing steel, most widely used material for bearing rings and rolling elements.
Principal dimensions is 16.535х22.047х4.173 in. equal to 420х560х106 mm.
Without seals.
Machined brass cage.
Metric series product.
Single row cylindrical roller bearings with cage are designed to operate with high radial loads and speeds. The roller has a larger than ball contact area perpendicular to the bearing axis.
NUP type bearings have two rigid ribs on the outer ring and one rigid rib and one loose flange ring on the inner ring. Axial displacements of the shaft relative to the housing are not possible with these type of bearings.
Separable design provides easier mounting and maintenance, and enables the bearing components to be interchanged.
NUP design bearings are used as locating bearings, they can guide the shaft axially in both direction.

Picture for illustration purposes only, product may differ from image. See technical specification for details.