Cylindrical Roller Bearings FAG NJ313 -E-XL-TVP2-C3

The NJ313 -E-XL-TVP2-C3 cylindrical roller bearing (65x140x33 mm) serves as a support bearing for high radial loads with single-sided axial guidance.

The NJ313 -E-XL-TVP2-C3 cylindrical roller bearing from FAG Wälzlager is a single-row radial roller bearing designed for demanding bearing applications. Thanks to the line contact between the rollers and raceways, this bearing can accommodate high radial loads. With key dimensions of a 65 mm bore, 140 mm outer diameter and 33 mm width, this design fits into standardised housing bores. Designed as an open bearing, the bearing location requires external sealing and lubrication via the surrounding structure.

What is the NJ313 -E-XL-TVP2-C3 cylindrical roller bearing suitable for?

The NJ design functions as a support bearing: it transmits high radial loads and additionally accommodates axial forces from one direction. The inner ring has a fixed flange and can be removed from one side, which facilitates the separate assembly of the inner and outer rings. Typical applications include shaft mountings where axial fixation in one direction is required, whilst thermal length changes in the opposite direction are compensated for by the bearing.

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

The TVP2 design features a low-mass polyamide cage, which ensures smooth running and is designed for operating temperatures ranging from -30 to +120 degrees. In addition, the increased C3 bearing clearance compensates for thermal expansion when temperature gradients occur between the shaft and housing during operation or when tight fits are selected. The bearing complies with tolerance class P0/PN (ABEC 1) and has an outer ring without a lubrication groove, so that lubricant is fed directly into the interior.