The Timken NP030522/NP378917 Bearing have better performance and longer life than other Timken NP030522/NP378917 Bearing on the market, and in a variety of environments has excellent performance.Timken imported NP030522/NP378917 bearings are provided by our company. Timken imported NP030522/NP378917 bearings are: inner diameter of 27mm, outer diameter of 51,35mm, width of 13,2mm, .