- Electrowelded rolled steel tube, quality ST-37 according to DIN 17.200 standard.
- Mounting possibilities for metal tubes, in diameters ranging from 60mm to 159mm and shafts from 17mm to 40mm.
- Precision bearing according to DIN 625 with one row of balls, according to the International Standard and ISO recommendation. Brand GPZ, WWB or similar.
- Round calibrated steel, F-212 and F-111 for diameters greater than 30mm.
- Mining bowl with or without flange, depending on the diameters. In any case, for fixing by electric welding. Made of deep drawing steel in RR ST-1403 quality with calibrated bearing seats.
- Shaft fastening, with DIN 471 external elastic circlips in different diameters.
- Optimal sealing system for aggregate in general, by means of a labyrinth set of 4 or 5 pieces, depending on the diameter. Outer bushing, bottom adjustment and outer and inner labyrinths, made of polypropylene, with good mechanical properties and excellent resistance to shocks and blows. Use temperature, between 0 and + 80º.
- Metallic dust jacket.
- Oval cleaning rubbers, covering the surface of the roller totally or partially.
- This type of roller can be served in a natural, zinc-plated or painted finish.
- For cases of extreme humidity, sealing system for humid environments, by means of a three-piece ‘S’ protection set; two internal double lip silicone seals and an external metal sealing cap.