Page 5 of ANSI Roller Chains by U.S. Tsubaki

ability greater tensile strength and shock resistance pins are fabricated from high-grade steel and then heat-treated for even greater tensile strength we toughened shock resistance and reduced chain stretch ring coined connecting links our special ring coining process compresses the steel decreasing pin hole stress on the face plate and increasing the fatigue strength and durability of the link plate the result is longer change service life for your application the quality connection all ansi roller chain consists of roller links and pin links connected in series take a closer look you ll see the quality that connects each link of tsubaki ansi chain higher kilowatt capacity tsubaki ansi chains handle 25 percent higher kilowatt ratings so you can use smaller chains and get the same or better performance at lower costs in most chains the connecting links are the weakest links we boosted the maximum allowable load of the connecting links and the 2-pitch offset links to make them as strong as the chain itself 4

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