ToolnozaIndustrial Mechanical
Calculate V-belt length, pulley speed, shaft and motor torque, gear ratios and basic bearing life.
V-Belt Length CalculatorEstimate open-belt pitch length and small-pulley wrap angle from pulley pitch diameters and center distance.Pulley Speed CalculatorCalculate driven pulley RPM, transmission ratio and driver belt speed with an optional slip allowance.Shaft Torque CalculatorCalculate torque from tangential force and lever arm, plus nominal shear stress in a solid circular shaft.Motor Torque CalculatorConvert mechanical shaft power and RPM to running torque in N·m and lb·ft.Gear Ratio RPM CalculatorCalculate output RPM and torque for one external gear pair from tooth counts and efficiency.Bearing Life Calculator — Basic L10Estimate basic L10 bearing fatigue life in million revolutions and hours for ball or roller bearings.