BlackStar D50R112 - Double Strand 50 Pitch R Sprocket - 112 Tooth Pitch-82 The 2/C109 is used for

The 2/C109 is used for high-shock and high-vibration drives

25T5/480US is a timing belt used on positive

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BlackStar D50R112 - Double Strand 50 Pitch R Sprocket - 112 Tooth Pitch-82 The 2/C109 is used forThe BlackStar D50R112 is a 50 pitch double strand R roller chain sprocket with 112 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number D50R112 Chain Pitch 50 Number of Teeth 112 Bore Type Plain Bore Hub Style R Strand Count Double Material Steel Outside Diameter 22. 65" Pitch Diameter 22. 284" Approx. Weight 93. 200 lbs Cross references: Browning