single or double sprockets tapered conveyor roller durable, good looks high quality, competitive price single or double sprockets tapered conveyor rollerSpecification:Roller typeSprocket coneyor rollerRoller diameter50mm (small end)taper3.6Tube materialGalvanized steel, taper coverShaft diameter12mmBearing typePlastic bearing house, precision bearingLoading capabilityMid, heavy dutyApplication:1. ...