Cylindrical Roller Bearings FAG NUP222 -E-XL-M1-C3

The FAG NUP222 -E-XL-M1-C3 cylindrical roller bearing is an open, fixed bearing with a brass cage, designed for shaft diameters of 110 mm under high radial loads.

The NUP222 -E-XL-M1-C3 cylindrical roller bearing is a single-row roller bearing designed to accommodate high radial loads in industrial applications. With key dimensions of 110 mm bore, 200 mm outside diameter and 38 mm width, this roller bearing supports heavy radial loads. Thanks to its NUP design, it functions as a fixed bearing that absorbs axial forces from both directions via fixed flanges and a loose flange disc. The FAG version complies with tolerance class P0/PN or ABEC 1.

What is the NUP222 -E-XL-M1-C3 cylindrical roller bearing suitable for as a fixed bearing?

This design is used to guide a shaft in the axial direction and fix it in place at both ends. Thanks to the line contact of the cylindrical rollers, the bearing can withstand high radial forces. The fixed bearing configuration is primarily used where axial forces must be supported in both directions. As the outer ring is manufactured without a lubrication groove or bore, the lubricant is supplied via the adjacent structure of the bearing housing.

What is the function of the brass cage and the C3 clearance in this bearing?

The solid brass cage guides the rollers during vibrations and when load directions change. Brass is characterised by its dimensional stability and is suitable for operating temperatures ranging from -30 to +150 degrees. The slightly increased radial clearance (C3) compensates for thermal expansion during operation. It helps to prevent the bearing from becoming stressed when temperature differences occur between the shaft and the housing or where there are tight fits.