The TTN 50BTL20H taper-lock roller chain sprocket is designed for ANSI #50 roller chain and uses a 1610 taper-lock bushing for secure shaft mounting. Built in steel with hardened teeth, this 20-tooth sprocket features an outside diameter of 4.32 inches, a pitch diameter of 3.995 inches, and a bore length of 1 inch, plus a hub diameter of 3.25 inches for robust power transmission in tight drives. It is intended for single-strand chains in industrial power transmission, conveyors, and machinery drives, with a chain pitch of 5/8 inch and a tooth width of 0.343 inch. Common replacements listed include Tsubaki 50BTL20H, Martin 50BTB20H, and Dodge 50BTL20H-1610, facilitating retrofit or replacement amid industrial maintenance.
