idler Carring idler,return idler,impact idler,centring idler,spiral idler,comb sharp clean idler,taper shaped idler,steel idler and so on. Selecting a idler,Confirming some parameters: Idlerdia,Idler shaft dia,Idler tube thk,Idler length,Idler material. 1.Stable running,good quality.free maintenance. 2.Small vibrating and long lifespan. 3.The flexibility of sealing methods. 4.Several labyrinth seal achieve dustproof and waterproof. 5.High accruate steel pipes ensure the rollers with low vibration and noise. BELT WIDE L L1 L2 D Shaft d Bearing B500 190 200 220 Φ60 Φ76 Φ89 Φ102 Φ108 Φ114 Φ127 Φ133 Φ152 Φ159 Φ167 Φ219 etc Φ20 Φ25 Φ30 Φ40 etc G204 G304 G305 G306 G408 600 610 640 B650 240 250 270 750 760 790 B800 305 315 335 950 960 990 B1000 375 385 408 1150 1160 1200 B1200 455 465 488 1400 1410 1450 B1400 525 535 558 1600 1610 1650