An idle wheel or pulley. See under Idle.
Same as Idle Wheel.
A pulley used on some belt drives to provide proper belt tension and to eliminate belt vibration.
a pulley, sheave, sprocket, or wheel around which a belt, cable, or chain passes in changing direction of travel.
a pulley or roller that does not produce any mechanical advantage, A popular Japanese form of track racing
a pulley or roller that does not produce any mechanical advantage, nor transmit power to a shaft
A roller that is used to support and guide a rope or chain.
Sheave or roller used to guide or support a rope.
A pulley designed to support one or more cables but not to make direction changes.
a wheel, gear or roller inserted into a drive train primarily for the function of guiding, supporting or tensioning a portion of the drive train.
nbspFree turning roller to support and guide the web as it travels through the press.
A pulley on which a belt rides. it does not transfer power but is used to provide tension or reduce vibration.