... kinds of idler. Carrier idler,return idler etc. HDPE,steel,rubber etc. impact idlerCarring idler,return idler,impact idler,centring idler ... 1.Stable running,good quality.free maintenance.2.Small vibrating and long lifespan.3.The flexibility of sealing methods.4. ... High accruate steel pipes ensure the rollers with low vibration and noise. BELT WIDE LL1L2DShaft dBearingB500190200220 Φ60Φ76Φ89Φ102Φ108Φ114 ...