NTN W-F4X21.8 loose needle rollers are individual bearing rollers sold under NTN's own part number for use in needle roller bearing assemblies. Pro Gear and Transmission carries this part as a genuine NTN component for buyers assembling or servicing needle bearing applications that call for this exact roller.
Features
NTN brand needle rollers
Part number W-F4X21.8
Sold as loose (individual) rollers
Used in needle roller bearing assemblies
