74797, RBC Chain Sheave Bearing74797, RBC Chain Sheave Bearing Attributes Dimensions Roller Width (in) 1. 75 Inside Ring Width (mm) 39. 6875 Outside Diameter (in) 3. 73 Inside Ring Width (in) 1. 5625 Bore Size (in) 1. 75 Outside Diameter (mm) 94. 69 Bore Size (mm) 44. 44 Roller Width (mm) 44. 45 Inner Diameter 1. 75" Outer Diameter 3. 725" Width 1. 76" Shape Outside Ring Shape Double Flanged Materials Material 52100 Bearing Quality Steel Features Enclosure Open Number of Rows 1