21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 30 Teeth; 23.368MM Face Width; Rough Bore; 86.614MM Flange OD; 74.803MM OD; 76.403MM Pitch Diam; No Keyway; No Bushing; Minimum Plain Bore; 1.813" Max Bore

Roller Chain Sprocket; 50 Chain; 30 Teeth; 1 Row of Teeth; No Hardened Teeth; 6.321" Outside Diameter; 5.979" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 60-2 Chain; 30 Teeth; 2 Row of Teeth; No Hardened Teeth; 7.586" Outside Diameter; 7.175" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Worm Gear; 1-7/8" Pitch Diameter; 16 DP; 5/16" Face Width; Rough Bore; 30 Teeth; 14-1/2 Degree Pressure Angle; No Bushing; Minimum Plain Bore; 3/4" Hub Diameter; Bronze; Right Hand; Single; No Hardened Teeth

15MM Belt Width; 3MM Belt Pitch; 3MR-15 Powergrip GT2 Belt Style; 30 Teeth; 16.18MM Face Width; Rough Bore; 31.75MM Flange OD; 27.889MM OD; 28.651MM Pitch Diam; No Keyway; No Bushing; Minimum Plain Bore; 0.563" Max Bore