These endless belts are designed for 14-turn or twisted drives. MarketsApplications Round Endless belts are ideal for 14 turn or twisted drives, serpentine drives, power turn and line shaft conveyors and commercial sewing machines....
Round belts use friction to stay in contact with pulleys and must be stretched or elongated to provide good driving friction. They are best used in light-to-medium duty power transmissions. This belt is 4-18" in length....