Needle Roller Bearings | Radial needle roller and cage assemblies

 Radial needle roller and cage assemblies (needle bearing) is independent of the rolling element cage two broad guide spacing, both to guide the needle accurately, but also to maintain the correct position of needle. This kind of Taper bearing for the shaft and housing bore can serve as raceways occasions, only the shaft and housing bore raceway processed to the required dimensions and geometric precision, you can ensure minimum space high rotational accuracy.
Main structure:
Structural features bearing code
K / KS single / single split
KK / KKS double row / double row split
KZK connecting rod with crank pin
KBK connecting rod with piston pin
KNL long cylindrical roller and hold assemblies
DF Radial needle roller and cage assemblies with a single K-type double row K. ..... ZW type, but also in the whole cage can not be installed, you can use a special mesh-type needle roller and cage assembly bearing rear add "D", namely K. ..... D, K. ..... ZWD.