Ever-power Transmission is company & distributor of commercial hardware & supplies including wire rope blocks or cable pulleys. The blocks (wire pulleys) types include double sheave directional blocks, assembly blocks, horizontal directional blocks, snatch blocks, one swivel directional blocks, vertical directional blocks, one swivel eye blocks, double swivel eye blocks, solo flat mount blocks, twice flat mount blocks, solo fixed eye blocks, twice fixed eye blocks, single swivel hook blocks, twice swivel hook blocks & exceptional blocks. Should you have any specialized questions or need support with inserting your orders in that case either call us or email us at hzpt@hzpt.com
A pulley is a wheel on an axle or shaft that is designed to support activity and change of path of a taut wire or belt, or transfer of electric power between the shaft and wire or belt. Regarding a pulley supported by a body or shell that will not transfer power to a shaft, but is utilized to guide the wire or exert a force, the helping shell is named a block, and the pulley may be called a sheave.
A pulley may have a grooveor grooves between flanges around its circumference to locate the wire or belt. The travel aspect of a pulley program can be a rope, wire, belt , or chain .
The earliest evidence of pulleys date back again to Mesopotamia in the early 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 machines used to strength train.[3] Pulleys will be assembled to form a prevent and tackle to be able to provide mechanical advantage to use large forces. Pulleys are likewise assembled within belt and chain drives so that you can transmit power from one rotating shaft to another.
The pulley, a simple machine, helps to perform work by changing the way of forces and producing easier the moving of huge objects. … With this type of pulley – known as a fixed pulley – pulling down on a rope makes an object surge off the ground. There are also 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 Size: 2″ Nominal (2.014″ Actual)
· Effective Diameter (Cable contact diameter): 1.5″ Nominal (1.538″ Actual)
· Cable connection Groove Width: Accepts wire diameters up to 1/4″
· Hub Width: 7/8″ Nominal (.862″ Actual)
· Bolt Bore Diameter: 3/8″ Nominal
· Both pulley human body and hub inserts Made of black, high-impact reinforced nylon
· Rides on easy 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
optimum weight of the lifting door with paired insertion of the pulley, 12kg
weight = 0.522 kg/piece
Applications
Chain invert unit of counterweights in lifting doors, for inner compensation weight in profile 45 x 90 L or 45 x 90 G
For continous operation and weighty loads use chain pulley 45
Technical Data
aluminium, anodized Electronic6/EV1
Housing from profile 90 x 90
Pulley steel, galvanized, ready 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 internal compensation weight in profile 90 x 90 L
For continous operation 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 Size: 3″ Nominal (2.984″ Actual)
· Effective Diameter (Cable get in touch with diameter): 2-3/16″ Nominal (2.180″ Actual)
· Wire Groove Width: Accepts wire 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 easy 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 well suited for drop down pulleys and industrial applications. We have many different styles that are suitable for various requirements such as feed and drinking water lines, through-the-wall structure applications and heavy-duty wire and winching.
Are you considering a custom engineered system, catalog element, or a Ever-power common assembly? Get in touch with our friendly workforce of specialists and engineers who can answer any questions you could have and assist you to take the next step to creating the Ever-power framing option you will need. Contact us today!