Cylindrical Roller Bearings FAG NU207 -E-XL-M1A-C4

The FAG NU207 -E-XL-M1A-C4 cylindrical roller bearing with a 35 mm bore is designed as a separable idler bearing for high radial loads under thermal stress.

The NU207 -E-XL-M1A-C4 cylindrical roller bearing from FAG Rolling Bearings is a single-row radial roller bearing for industrial applications with purely radial load capacity. With key dimensions of a 35 mm bore, 72 mm outer diameter and 17 mm width, the NU design functions purely as a non-locating bearing. As the outer ring has solid flanges and the inner ring is flangeless, the inner ring can be removed from either side. This facilitates the mounting of the individual bearing rings onto the shaft and housing.

What is the NU207 -E-XL-M1A-C4 cylindrical roller bearing suitable for as a non-locating bearing?

This single-row roller bearing is particularly suitable for mounting positions where thermally induced changes in shaft length must be compensated for without constraint. Thanks to the inner ring, which can be slid on both sides, the bearing accommodates axial displacement directly in the rolling element area. Typical applications include shaft mountings where high radial forces must be accommodated, whilst axial guidance is provided by a separate fixed bearing.

When are the C4 clearance and the brass cage crucial?

The version designated C4 features a significantly increased radial clearance. This prevents the rollers from seizing if, during operation, there are considerable temperature differences between the shaft and the housing, or if tight fits reduce the radial clearance. The design is complemented by the externally guided solid brass cage M1A. This solid cage reliably guides the cylindrical rollers along the raceway, even under varying speeds, vibrations and shock loads.