Sold in 10ft boxes only

Duplex Roller Chain

Pitch (p): 31.75mm (1 1/4")
Roller Diameter (d1): 19.05mm
Inner Diameter (b1): 19.56mm

Pin Diameter (d2): 10.19mm
Pin Length (L1): 38.25mm
Pin Length (L2): 41.45mm

Link Plate Thickness (T): 4.40mm
Link Plate Thickness (t): 3.40mm
Link Plate Height (H): 26.00mm

Transverse Pitch (pt): 36.45mm

Min. tensile strength: 197.0kN

http://tsubakimoto.com/pdf/product/tsubaki-drive-chain-sprockets.pdf