... 2, Steel plat(NA, TAF, TAF=NK) Medium and Large Sized Needle Roller Bearings :Two types:1, Metal stamping(TLA, ... TLA=HK)2, Steel plat(NA, TAF, TAF=NK). ISO 9001. Short delivery time. Manufacturer price, high qualityTypes of ... mu; M, and the precision grade is G2 (ISO GB309).The diameter of inscribed circle conforms to tolerance ... ...R...VR,NART...UUR...VUUR Medium And Large Sized Needle Roller Bearings