20 Diametral Pitch - 3/8" Face - 14 1/2° Pressure Angle - Steel Spur Gears

Catalog # 20FS48

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Hub Type Pitch Diameter Maximum Bore Stock Bore Hub Diameter Length Through Bore Weight
B 2.400 1.250" .375" 2.00" .870" .90lbs

Listed maximum bore allows for standard keyway and setscrew.
Large bores are possible and the application should be carefully reviewed.

All sizes available with hardened teeth as an alteration.