Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

This is an AMP page - Open full page! for all features.

Search is the most efficient way to navigate the Engineering ToolBox!

Efficiency of Small Machine Elements

Sponsored Links

Typical efficiencies of well lubricated small machine elements:

  • ordinary bearings : 95 - 98%
  • roller bearings : 98%
  • ball bearings : 99%
  • spur gears with cut teeth including bearings : 99%
  • bevel gears with cut teeth including bearings : 98%
  • belts : 96 - 98%
  • high-class silent power transmission chain : 97 - 99%
  • roller chains : 95 - 97%
  • bicycle derailer : 87 - 97%
  • bicycle gear hub : 86 - 95%
Sponsored Links

Related Topics

• Mechanics

The relationships between forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more.

Related Documents

Belt driven Fans - Fan vs. Motor Speed

Fan vs. motor speed in belt driven fans.

Belt Transmissions - Speed and Length of Belts

Calculate length and speed of belt and belt gearing.

Belts - Power Transmission and Efficiency

Calculate belts power transmission and efficiency

Electric Motors - Efficiency

Calculate electric motor efficiency.

Engine & Gear Oil - Recommended Viscosity vs. Outside Temperature

Oil viscosity vs. temperature.

Friction - Coefficients for Common Materials and Surfaces

Find friction coefficients for various material combinations, including static and kinetic friction values. Useful for engineering, physics, and mechanical design applications.

Gear Trains - Bicycle Gearing Calculator

Gear train transmissions - bicycle gearing.

Gears

Gears effort force vs. load force.

Industrial Lubricants - Viscosities vs. ISO-VG Grade

ISO-VG viscosity grades for industrial lubricants.

Rolling Resistance

Rolling friction and rolling resistance.

Sponsored Links

Search Engineering ToolBox

Search is the most efficient way to navigate the Engineering ToolBox!

SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!

Privacy

We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.

Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.

Google use cookies for serving our ads and handling visitor statistics on the AMP pages. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected.

AddThis use cookies for handling links to social media. Please read AddThis Privacy for more information.