Ever-power Transmission is producer & distributor of commercial hardware & supplies including cable rope blocks or cable pulleys. The blocks (cable pulleys) types include dual sheave directional blocks, assembly blocks, horizontal directional blocks, snatch blocks, solitary swivel directional blocks, vertical directional blocks, one swivel eye blocks, double swivel eye blocks, sole flat mount blocks, double flat mount blocks, solo fixed eye blocks, twice fixed eye blocks, one swivel hook blocks, double swivel hook blocks & distinctive blocks. When you have any specialized questions or need support with positioning your orders after that either give us a call or email us at [email protected]
A pulley is a wheel on an axle or shaft that is designed to support movement and change of course of a taut cable connection or belt, or transfer of power between your shaft and cable or belt. Regarding a pulley supported by a framework or shell that will not transfer power to a shaft, but is utilized to guide the cable or exert a drive, the assisting shell is called a prevent, and the pulley could be called a sheave.
A pulley may have a grooveor grooves between flanges around its circumference to find the cable or belt. The travel aspect of a pulley program could be a rope, cable, belt , or chain .
The earliest proof pulleys date back 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) identified the pulley as you of six simple equipment used to lift 
weights.[3] Pulleys will be assembled to form a prevent and tackle to be able to give mechanical advantage to use significant forces. Pulleys are likewise assembled as part of belt and chain drives so as 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 producing easier the moving of huge objects. … With this type of pulley – referred to as a fixed pulley – pulling down on a rope makes an object grow 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)
· Wire 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 simple ball bearing (un-sealed)
· Weighs just 58 grams
Technical Data
aluminium, anodized Electronic6/EV1
Housing from profile 45 x 90
Pulley steel, galvanized, ready for installation
End cap
optimum weight of the lifting door with paired insertion of the pulley, 12kg
weight = 0.522 kg/piece
Applications
Chain reverse unit of counterweights upon lifting doors, for interior compensation weight in profile 45 x 90 L or 45 x 90 G
For continous operation and serious 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 in lifting doors, for inner compensation weight in profile 90 x 90 L
For continous procedure and major 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 Diameter: 3″ Nominal (2.984″ Actual)
· Effective Diameter (Cable speak to diameter): 2-3/16″ Nominal (2.180″ Actual)
· Cable 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 Manufactured from black, high-impact reinforced nylon
· Rides on soft 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 Wire Pulley AFK-113
Pulleys & Hardware
Our collection of commercial pulleys and hardware is perfect for drop down pulleys and professional applications. We possess a variety of styles that will be suitable for various requirements such as feed and drinking water lines, through-the-wall applications and heavy-duty cable and winching.
Are you considering a custom engineered system, catalog component, or a Ever-power standard assembly? Reach out to our friendly workforce of professionals and engineers who can response any questions you might have and assist you to take the next phase to creating the Ever-power framing choice you need. Contact us today!