Metal pulley wheels with bearings online, SHINICO Cable Pulley Wheel Stainless Steel Bearing Inside Rope Pulley for Pulley System Gym Equipment Clothesline 2 Pack online ...

A pulley close pulley A pulley is a simple machine made up of a grooved wheel on an axle. It guides a rope, belt, or cable and changes the direction of or the amount of force that is needed to ...

A simple pulley has one more part added—a rope wrapped around the wheel. One end of the rope can be tied to a load, for example, a bucketful of water at the bottom of a well. You can pull on the ...

Like any pulley, it works by trading force for distance: it's easier to lift, say, an engine block, but you'll have to pull the rope a lot further to do it. The pocket sized pulleys come in pairs ...