Ever-power Transmission is company & distributor of professional hardware & supplies including wire rope blocks or wire pulleys. The blocks (wire pulleys) types include dual sheave directional blocks, assembly blocks, horizontal directional blocks, snatch blocks, solitary swivel directional blocks, vertical directional blocks, solo swivel eye blocks, double swivel eye blocks, solitary flat mount blocks, twice flat mount blocks, solitary fixed eye blocks, twice fixed eye blocks, one swivel hook blocks, dual swivel hook blocks & special blocks. When you have any technological questions or need support with positioning your orders in that case either give us a call or email us at [email protected]
A pulley is a wheel on an axle or shaft that’s designed to support motion and change of direction of a taut cable or belt, or transfer of electrical power between your shaft and wire or belt. In the case of a pulley supported by a frame or shell that will not transfer capacity to a shaft, but is used to guide the cable or exert a drive, the supporting shell is called a block, and the pulley may be called a sheave.
A pulley might have a grooveor grooves between flanges around its circumference to locate the cable or belt. The drive element of a pulley program could be a rope, wire, belt , or chain .
The earliest evidence of pulleys date back again to Mesopotamia in the first 2nd millennium BCE,[1] and Ancient Egypt in the Twelfth Dynasty (1991-1802 BCE).[2] In Roman Egypt ,Hero of Alexandria (c. 10-70 CE) discovered the pulley as one of six simple machines used to strength train.[3] Pulleys will be assembled to create a prevent and tackle in order to present mechanical advantage to use huge forces. Pulleys are as well assembled within belt and chain drives to be able to transmit power from one rotating shaft to some other.
The pulley, a simple machine, really helps to perform work by changing the course of forces and making easier the moving of large objects. … With this kind of pulley – called a fixed pulley – pulling down on a rope makes an object rise off the ground. Additionally, there are movable pulleys and pulley devices.
Cable pulleys
2″ O.D. x 7/8″ Hub x 3/8″ Bolt Bore – Nylon Cable Pulley
2″ O.D. x 7/8″ Hub 
x 3/8″ Bolt Bore – Nylon Cable Pulley
Key Features
· Outside Diameter: 2″ Nominal (2.014″ Actual)
· Effective Diameter (Cable speak to diameter): 1.5″ Nominal (1.538″ Actual)
· Cable Groove Width: Accepts wire diameters up to 1/4″
· Hub Width: 7/8″ Nominal (.862″ Actual)
· Bolt Bore Diameter: 3/8″ Nominal
· Both pulley body and hub inserts Manufactured from black, high-impact reinforced nylon
· Rides on clean ball bearing (un-sealed)
· Weighs just 58 grams
Technical Data
aluminium, anodized E6/EV1
Housing from profile 45 x 90
Pulley steel, galvanized, ready for installation
End cap
maximum weight of the lifting door with paired insertion of the pulley, 12kg
weight = 0.522 kg/piece
Applications
Chain reverse unit of counterweights about lifting doors, for interior compensation weight in profile 45 x 90 L or 45 x 90 G
For continous operation and large loads use chain pulley 45
Technical Data
aluminium, anodized E6/EV1
Housing from profile 90 x 90
Pulley steel, galvanized, prepared for installation
End cap
maximum weight of the lifting door with paired insertion of the pulley, 30kg
weight = 0.680 kg/piece
Applications
Chain invert unit of counterweights upon lifting doors, for inner compensation weight in profile 90 x 90 L
For continous operation and weighty loads use chain pulley 90
3″ O.D. x 7/8″ Hub x 3/8″ Bolt Bore – Nylon Cable Pulley
3″ O.D. x 7/8″ Hub x 3/8″ Bolt Bore – Nylon Cable Pulley
Key Features
· Outside Size: 3″ Nominal (2.984″ Actual)
· Effective Diameter (Cable speak to diameter): 2-3/16″ Nominal (2.180″ Actual)
· Wire Groove Width: Accepts cable up to 3/16″ outside diameter
· Hub Width: 7/8″ nominal – .870″ actual measured
· Bolt Bore Diameter: .380″ Nominal (.380″ Actual)
· Both pulley body and hub inserts Made of black, high-impact reinforced nylon
· Rides on smooth ball bearing (un-sealed)
· Very hard-to-find item!
Regular price: $22.95
Our price: $11.50, 4/$40.00
3″ O.D. x 7/8″ Hub x 3/8″ Bolt Bore – Nylon Cable Pulley AFK-113
Pulleys & Hardware
Our collection of business pulleys and hardware is ideal for drop down pulleys and commercial applications. We possess a range of styles that are suitable for various purposes such as feed and normal water lines, through-the-wall applications and heavy-duty cable and winching.
Are you enthusiastic about a custom engineered program, catalog component, or a Ever-power standard assembly? Reach out to our friendly group of experts and engineers who can answer any questions you might have and help you take the next step to creating the Ever-power framing choice you will need. Contact us today!