74990, RBC Toothless Sprocket74990, RBC Toothless Sprocket Attributes Dimensions Roller Width (in) 1. 13 Inside Ring Width (mm) 28. 702 Outside Diameter (in) 3. 76 Inside Ring Width (in) 1. 13 Bore Size (in) 1. 77 Outside Diameter (mm) 95. 38 Bore Size (mm) 45. 00 Roller Width (mm) 28. 702 Inner Diameter 1. 7717" Outer Diameter 3. 755" Width 1. 13" Shape Outside Ring Shape Flat Materials Material Steel Features Number of Rows 1 Bearing Type Toothless Sprockets Ratings Static Load