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Both calculators run independently — change the inputs on either side to compare results.

Mechanical

Pulley Speed Calculator

Calculates the output shaft speed of a belt-and-pulley system based on pulley diameters and input speed. Use it when designing drive systems to achieve a target RPM ratio between driver and driven shafts.

Fill in the required fields to see your result.
Mechanical

Bearing Load Calculator

Computes the equivalent dynamic load on a bearing by combining radial and axial forces with an application load factor. Use this when selecting bearings or verifying load ratings in rotating machinery.

Fill in the required fields to see your result.

Key differences

Pulley Speed CalculatorBearing Load Calculator
CategoryMechanicalMechanical
Inputs required33
ResultOutput Speed (rpm)Equivalent Load (N)
What it doesCalculates the output shaft speed of a belt-and-pulley system based on pulley diameters and input speed. Use it when designing drive systems to achieve a target RPM ratio between driver and driven shafts.Computes the equivalent dynamic load on a bearing by combining radial and axial forces with an application load factor. Use this when selecting bearings or verifying load ratings in rotating machinery.