- US, United States
- Jun 10th
Martin 5016 Roller Chain Coupling, Sintered Steel, Inch, 16 Teeth, 1 1/4" Bore, 3 25/32" OD, 1 7/16" Length, 4000 rpm Max Rotational Speed, 1/4" x 1/8" Keyway This Martin hub is one of two simplex sprockets used in a roller chain coupler for joining and transmitting power to two perpendicular shafts. It is made of sintered steel for strength and hardness and has hardened teeth for resistance to wear and fatigue.