Roller Chain Size Chart

A poor-fitting roller chain can result in inefficiency, damage to your machine, and lost hours in repair time. Make sure you select the chain with the best fit by referencing the size charts below. Click the link on the chain size you need to see our selection, which often includes multiple lengths, connecting links, and offset links.

Single Strand Roller Chain Dimensions

Chain Size Pitch Roller Width Roller Diameter Plate Height Plate Thickness
#25 1/4″ 0.125″ 0.13″ 0.23″ 0.03″
#35 3/8″ 0.188″ 0.200″ 0.34″ 0.05″
#40 1/2″ 0.312″ 0.312″ 0.463″ 0.06″
#41 1/2″ 0.25″ 0.306″ 0.386″ 0.05″
#50 5/8″ 0.375″ 0.40″ 0.579″ 0.08″
#60 3/4″ 0.500″ 0.469″ 0.579″ 0.094″
#80 1″ 0.625″ 0.625″ 0.935″ 0.125″
#100 1-1/4″ 0.75″ 0.75″ 1.165″ 0.156″
#120 1-1/2″ 1″ 0.875″ 1.378″ 0.187″

Double Strand Roller Chain Dimensions

Chain Size Pitch Roller Width Roller Diameter Plate Height Plate Thickness
#35 3/8″ 0.188″ 0.200″ 0.34″ 0.05″
#40 1/2″ 0.312″ 0.312″ 0.463″ 0.06″
#50 5/8″ 0.375″ 0.40″ 0.579″ 0.08″
#60 3/4″ 0.500″ 0.469″ 0.579″ 0.094″
#80 1″ 0.625″ 0.625″ 0.935″ 0.125″
#100 1-1/4″ 0.75″ 0.75″ 1.165″ 0.156″

Double Pitch Roller Chain Dimensions

Chain Size Pitch Roller Width Roller Diameter Plate Height Plate Thickness Type
#A2040 1″ 0.312″ 0.312″ 0.463″ 0.060″ Agricultural
#A2050 1-1/4″ 0.375″ 0.400″ 0.593″ 0.080″ Agricultural
#A2060 1-1/2″ 0.500″ 0.469″ 0.683″ 0.094″ Agricultural
#C2040 1″ 0.312″ 0.312″ 0.463″ 0.060″ Conveyor
#C2050 1-1/4″ 0.375″ 0.400″ 0.593″ 0.080″ Conveyor
#C2060 1-1/2″ 0.500″ 0.469″ 0.683″ 0.094″ Conveyor
#C2060H 1-1/2″ 0.500″ 0.469″ 0.683″ 0.125″ Conveyor
#C2080H 2″ 0.625″ 0.625″ 0.935″ 0.156″ Conveyor

Stainless Steel Roller Chain Dimensions

Chain Size Pitch Roller Width Roller Diameter Plate Height Plate Thickness
#25SS 1/4″ 0.125″ 0.13″ 0.23″ 0.03″
#35SS 3/8″ 0.188″ 0.200″ 0.34″ 0.05″
#40SS 1/2″ 0.312″ 0.312″ 0.463″ 0.06″
#41SS 1/2″ 0.25″ 0.306″ 0.386″ 0.05″
#50SS 5/8″ 0.375″ 0.40″ 0.579″ 0.08″
#60SS 3/4″ 0.500″ 0.469″ 0.579″ 0.094″
#80SS 1″ 0.625″ 0.625″ 0.935″ 0.125″
#100SS 1-1/4″ 0.75″ 0.75″ 1.165″ 0.156″

Heavy Duty Roller Chain Dimensions

Chain Size Pitch Roller Width Roller Diameter Plate Height Plate Thickness
#50H 5/8″ 0.375″ 0.4″ 0.579″ 0.094″
#60H 3/4″ 0.50″ 0.469″ 0.673″ 0.125″
#80H 1″ 0.625″ 0.625″ 0.935″ 0.156″
#100H 1-1/4″ 0.75″ 0.75″ 1.165″ 0.187″
#120H 1-1/2″ 1″ 0.875″ 1.378″ 0.218″