#40 Roller Chain x 1 foot
ANSI Chain No.: #40
Length: 1 feet

Pitch (P): 0.5 inch (12.7 mm) 
Roller Diameter (d1 max): 0.313 inch (7.95 mm) 
Width Between Inner Plates (b1 min): 0.310 inch (7.85 mm) 
Pin Diameter (d2 max): 0.156 inch (3.96 mm)
Pin Length (L max): 0.654 inch (16.60 mm)
Pin Length (Lc max): 0.701 inch (17.80 mm)
Inner Plate Depth (h2 max): 0.472 inch (12.0 mm)
Plate Thickness (T max): 0.059 inch (1.50 mm)
Ultimate Tensile Strength (Q min): 14.10/3205 kN/LB
Average Tensile Strength (Qo): 17.5 kN
Weight (q): 0.417 lb/ft (0.62 kg/m)