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Belt and ChainTechnical A

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CDd Where:N = Number of pitchesL = Length of belt (calculated above)C.P.= Circular PitchN = LC.P. Belt/Chain Length Calculations Where:L = Length of belt at pitch line (in inches)C = Center distance (in inches)D = Pitch diameter (in inches) of large sprocket(forV- or O-Ring Belts, use the Pulley O.D.)d = Pitch diameter (in inches) of small sprocket(forV- or O-Ring Belts, use the Pulley O.D.)L = 2C + 1.57 (D + d) + (D-d)24C Belt/Chain Pitch CalculationsHorsepower Calculations H.P.=TN63024 Where:T = Torque (in.lbs.)N = RPMWhere:F = Force( load) on Belts (lbs.)R = Pitch Radius of Pulley/Sprocket (in.)T = Torque (in lbs.)T = FR
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