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The Martin 40BTB19 is a taper locking bushing bore roller chain sprocket designed for efficient power transmission. Constructed with high carbon steel, its design features a taper bore that securely grips the shaft, ensuring reliable operation.
This sprocket features 19 teeth and a chain size of 40 / 1/2 inch. The hub diameter measures two and fifteen thirty-seconds inches, and it is protected by a coating for durability.
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