Roller Chain Chain Construction Riveted Pin Overall Length 10 ft Material Steel Chain Number 12B Chain Overall Width 0.953 in Roller Diameter 15/32 in Tensile Strength 7 500 lbf Pitch 3/4 in Application Centrifugal Blowers Number of Strands 1 Pin Contruction Riveted Pin Inside Width 0.46 in Series British Standard Working Load Limit 1 387 lb Heavy Series No Includes (1) Connecting Link Lubrication SAE 10 to SAE 50 Maximum Operating Temperature 300 Degrees F