This #50 roller chain is manufactured 
in accordance with American National Standards 50 roller chain Institute (ANSI) B29.1 specifications and has been produced to the same dimensions because the starting of ANSI/ ASA in 1930. Though dimensionally the precise same you can expect three different quality levels of the #50 roller chain that goes above and beyond the typical strength and performance smart.
Economy Plus series #50 roller chain uses heat-treated precision parts and features a solid roller design for improved performance.
General Duty Plus series roller chain is essentially the same except uses a higher-heat treat thus making it better for high-speed and higher load applications.
Premier Series roller chain uses the highest-strength elements that have been heat-treated, shot-peened, and hardened to a maximum. In addition they implement a good bushing solid roller (SBR) design and make use of a premium-grade lubricant for the maximum durability, strength, and working life.
We stock an array of configurations for #50 roller chain which includes anti-corrosive, attachment chains, and specialized series.