Needle Roller Nonstandard Needle Auto Needle Roller HFL、HFL．KF、HFL．R、H Stud Type Track Ro NUTR、NATR、NATR．PP、 RNA22．2RS、NA22．2RS CRY NATR、、NATV、NATV．PP RSTO、STO、STO．X Yoke Type Track Ro WS、GS AXK、LS、AS TC、TRA、TRB、TRC、TRD K811、K812 Axial needle rolle Inner Ring KBK KZK K、K．ZW Radial needle and NAO、RNAO PNA、RPNA RNA．RS、RNA．2RS、NA． NKI、NKIS、NA NK、NKS、RNA Entity bushed need MF、F、FY、FH HK、RS、HK、2RS HK/BK/HK...RS/SCE/ Drawn cup tension