Thrust bearing assemblies of the FNTK, FNTF and FNTKF series have been specially designed for use in applications where a unitized assembly allows for easy installation and eliminates the need for heat treatment and precision finishing of one or both thrust bearing backup surfaces.
Each FNTK, FNTF or FNTKF assembly consists of a FNT needle roller and cage thrust assembly with one or two special lipped washers that snap over the cage to produce a unitized thrust bearing assembly. The FNTK and FNTF assembly has one such washer, while the FNTKF assembly has a washer on each side of the bearing.
Oil is the preferred lubricant for these assemblies. However, they also are available pregreased for applications that do not allow for oil lubrication.