Roller Chain Sprocket; 2" Bore; 50 Chain; 28 Teeth; 1 Row of Teeth; No Hardened Teeth; 5-59/64" Outside Diameter; 5.582" Pitch Diameter; A-No Hub; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Spur Gear; 1/2" Bore; 1-3/4" Pitch Diameter; 16 DP; 1/2" Face Width; Finished Bore; 28 Teeth; 14-1/2 Degree Pressure Angle; 1.45" Hub Diameter; Steel

Spur Gear; 3-1/2" Pitch Diameter; 8 DP; 1-1/2" Face Width; Rough Bore; 28 Teeth; 20 Degree Pressure Angle; Minimum Plain Bore; 1-3/4" Max Bore; 2-3/4" Hub Diameter; Steel

1" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 28 Teeth; 1-5/16" Face Width; Bushed; 4.7" Flange OD; 4.402" Outside Diameter; 4.456" Pitch Diameter; Yes Keyway; 1/2 To 2-1/8" Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

30MM Belt Width; 8MM Belt Pitch; 8M-30 Synchronous Plus Belt Style; 28 Teeth; 31.75MM Face Width; Bushed; 80.01MM Flange OD; 70.079MM OD; 71.298MM Pitch Diam; Keyway; 12.7 To 38.1MM Bushing Bore Range; QT Bushing; No Minimum Plain Bore