Entity ferrule RNA22 ... 2RS double sealed bearings, roller bearing without inner ring. Bearing code structural features spring steel HF drawn cup roller clutches HF..KF plastic spring Needle roller clutch and bearing assembly HF..R steel springs Drawn cup roller clutches, knurled outer part HF..KFR plastic spring Needle roller clutch and bearing assembly, the outer part of the spring steel knurled HFL drawn cup needle roller clutch and bearing assembly NATR5 needle roller bearings, plain bearings or plastic springs Rolling HFL..KF drawn cup roller clutches and bearing assembly STO40ZZX needle roller bearings, plain bearings or rolling bearing steel spring HFL..R Needle roller clutch and bearing assembly, the outer part of the knurled plastic spring HFL..KFR drawn cup needle roller clutch and bearing assembly, outside part of the knurled ring. NATR5PP needle roller bearings | governance Needle (certified) | needle roller bearings provided by Linqing municipal and needle roller bearings plant. Linqing municipal and needle roller bearings plant (www.zhgzzc.com) Shandong Liaocheng, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Needle in governance and leadership with the staff warmly welcome all inquiries negotiations to create a better future governance and needle.