Heavy Duty Gravity Steel Roller for Belt Conveyor

Heavy Duty Gravity Steel Roller for Belt Conveyor. High Precision Roller Shaft: Made of high precision cold steel to ensure uniform rotation and decrease diameter runout. Superior Sealing Performance: Labyrinth seal structure ensures waterproof and dustproof performance with zero water inflow after 72-hour testing. Long Service Life: Features permanent lubrication with lithium base grease for at least 30,000 hours of operation. Low Rotating Resistance: Rotating resistant coefficient is below 0.010 for efficient operation. High Quality Bearings: Uses HRB, ZWZ, or LYC groove ball bearings with DIN standard selection. Customizable Paint Finish: Paint options include ordinary, hot galvanized, electric static spraying, and baked painting. CEMA Standard Load Selection: Roller load coefficient is selected according to CEMA standards for reliability. Small Radial Runout: Weighting roller radial runout is below 0.35mm for stability.