Cylindrical Roller Bearings FAG NJ318 -E-XL-TVP2-C3

The FAG NJ318 -E-XL-TVP2-C3 cylindrical roller bearing offers high radial load capacity with a 90 mm bore, 190 mm outer diameter and 43 mm width.

The single-row cylindrical roller bearing NJ318 -E-XL-TVP2-C3 from FAG withstands high radial loads in industrial applications. In this open roller bearing, measuring 90 × 190 × 43 mm, the outer ring guides the rollers via two fixed flanges, whilst the inner ring has a single fixed flange. Thanks to this design, the bearing acts as a support bearing that guides shafts in one axial direction whilst allowing axial displacement in the opposite direction. The integrated polyamide cage ensures quiet, low-vibration operation.

In which installation scenarios is the NJ318 -E-XL-TVP2-C3 cylindrical roller bearing used?

This bearing design is primarily used where high radial forces are present and, at the same time, single-sided axial guidance is required. Typical applications can be found in general mechanical engineering in fixed-floating bearing arrangements or combined support bearing arrangements. The open design without integrated seals allows lubrication with oil or grease via the surrounding housing system. As the inner ring can be removed from one side, the unit can be fitted separately, which facilitates installation and maintenance at the bearing location.

What is the function of the C3 bearing clearance in the NJ318 -E-XL-TVP2-C3?

The designation C3 indicates a slightly increased radial bearing clearance compared with the standard version. This increased clearance compensates for operational temperature differences between the inner and outer rings. If the shaft and bearing rings expand at different rates during operation, the additional radial clearance helps to prevent the rolling elements from becoming stressed. Together with the polyamide cage, the roller bearing covers a temperature range from -30 to +120 degrees. Tolerance class P0 must be taken into account when designing the fits.