belt conveyor spiral idler roller with good quality

Spiral Idler Roller Characteristics: 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. Summary of Spiral Idler Roller Size: BELT WIDE L L1 L2 D Shaft d Bearing B500 190 200 220 Φ76  Φ89  Φ108 Φ127 Φ152 Φ159 Φ20    Φ25   Φ30   Φ40 G204 G304 G305 G306 G408 600 610 640 B650 240 250 270 750 760 790 B800 305 315 335 950 960 990 B1000 375 380 408 1150 1160 1200 B1200 455 465 488 1400 1410 1450 B1400 525 535 558 1600 1610