Double Row Pulley Contains Carbon Steel ball bearings Radius profile stock no. Bore 'a' (mm) OD 'b' (mm) Overall width 'c' (mm) Pulley width 'd' (mm) Running diameter 'e' (mm) Dimension 'f' (mm) Groove included angle 'g' Groove internal radius 'r' (mm) 352-0670 6.5 28 28.5 27 16 n/a 118 7.5 352-0686 8 46 24 22 36 n/a - 10 352-0692 10 54 38 35 30 n/a 87 8 352-0715 10 58 44.5 40.5 32 9.5 87 - 352-0721 10.1 76 20 15 60 - - 4.7 Single & Double Row Bearing Acetal pulleys offer long term wear performance and excellent dimensional stability when subjected to load, temperature and most fluids. Working temperature range: -40°C to +100°C. Balls are either Carbon Steel or Stainless Steel; the latter is more suited to wet applications as it is non-corrosive.