TECHNICAL INTRODUCTION
They consist of two steel clamped or monobloc rollers mounted on a single “V”-folded axle.They have the upper bearing mounting heads with hermetic closure and the lower ones, with protruding axle, with labyrinth dust protection.
The axle is locked in the housing of the central bracket.The latter, with a base plate fitted with mounting holes, is made of cold-formed steel sheet.They are used in concave belt conveyors that operate, even in bad environmental conditions, at medium-high speed, with medium loads and sizes.