All series of needle bearing Good quality and price Pormpt delivery and ... , rollers or separately individual. 2. Bearing material:Chrome steel, Carbon steel, Stainless steel, Alloy in some kinds...etc; 3. Bearing type:1 ... ): Needle roller bearing inner ring only5): Thrust needle roller bearing series 4. Application:Machine tool, Metallurgy, Printing machinery, Auto and motocycles ...