V-belt Pulleys unbored cast-Iron Cast-iron unbored V-belt pulleys suitable for the profiles SPZ/Z–SPA/A–SPB/B, max. number of grooves = 4 and max. diameter = 400 mm.ExecutionProfileDiameterNumber of GroovesMaterialUnboredSPZ/Z–SPA/A–SPB/B40 .. 400 mm1 .. 4Cast- iron V-BELT-PULLEYS-U-460-D-NDE-0316Documentation