Needle roller bearing is roller bearing with  long and thin cylindrical needle roller.It have high loading capacity though its cross section is narrow.So Needle roller bearing is especially suitable for limit radical space.

Classification:

Metric and inch drawn-cup caged needle roller bearing (HK, BK series)
Metric and inch drawn-cup needle roller bearing full roller complement (FY, MFY)
Heavy-duty needle roller bearing with ribs, without ribs (NKI, NA, RNA)
Drawn-cup needle roller clutches (HF, HFL)
Thrust needle roller bearings and washers(AXK, AXW, AS, LS, GS, WS, K811)
Yoke track rollers: NATV, NATR, KR, KRV series

Features:

1) Drawn cup needle roller bearings with open ends/closed ends
2) Needle roller and cage assemblies
3) Axial needle roller and cage assemblies / Axial bearing washer / Axial needle roller bearings
4) Drawn cup roller clutches
5) Yoke type track rollers
6) Stud type track rollers8) Axial cylindrical roller bearings / Axial cylindrical roller and cage assemblies / Axial bearing washers