Engineering Calculators | Tri-State Bearing

V-Belt Length Calculator

Estimate approximate open-belt pitch length from pulley pitch diameters and center distance.

Drive pulley pitch diameter inches Driven pulley pitch diameter inches Center distance inches Result will appear here.

Open-belt estimate using pitch diameters. Verify stock belt length and tensioning range.

Pulley Size Calculator

Calculate the missing pulley pitch diameter from RPM and one known pulley size.

Drive pulley RPM Desired output RPM Drive pulley pitch diameter leave blank to calculate Driven pulley pitch diameter leave blank to calculate Leave one diameter field blank.

Sprocket Size Calculator

Calculate the missing sprocket tooth count using RPM and one known sprocket.

Drive sprocket RPM Desired output RPM Drive sprocket teeth leave blank to calculate Driven sprocket teeth leave blank to calculate Leave one tooth-count field blank.

Tooth counts must be whole numbers. Results are rounded to the nearest whole tooth.

Inches to Millimeters Converter

Convert measurements between inches and millimeters.

Inches

Millimeters

Type in either field to convert instantly.

Newton Meters to Foot-Pounds Converter

Convert torque values between Nm and ft-lbs.

Newton meters

Foot-pounds

ft-lbs

Type in either field to convert instantly.

Torque Calculator

Calculate shaft torque from horsepower, RPM, and an optional service factor.

Motor power HP Shaft speed RPM Service factor optional Enter horsepower and RPM.

Torque = (HP x 5252) / RPM. Design torque = running torque x service factor.