Ever-power Transmission is producer & distributor of industrial hardware & supplies including cable rope blocks or wire pulleys. The blocks (cable pulleys) types include double sheave directional blocks, assembly blocks, horizontal directional blocks, snatch blocks, solitary swivel directional blocks, vertical directional blocks, solitary swivel eye blocks, twice swivel eye blocks, single flat mount blocks, dual flat mount blocks, solo fixed eye blocks, double fixed eye blocks, single swivel hook blocks, twice swivel hook blocks & exceptional blocks. Should you have any technological questions or need support with positioning your orders after that either give us a call or email us at hzpt@hzpt.com
A pulley is a wheel on an axle or shaft that’s designed to support movement and change of path of a taut wire or belt, or transfer of electricity between your shaft and wire or belt. Regarding a pulley supported by a framework or shell that does not transfer capacity to a shaft, but can be used to guide the wire or exert a force, the assisting shell is named a prevent, and the pulley may be called a sheave.
A pulley might have a grooveor grooves between flanges around its circumference to find the wire or belt. The drive factor of a pulley system 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) determined the pulley as one of six simple devices used to strength train.[3] Pulleys will be assembled to form a prevent and tackle in order to present mechanical advantage to apply large forces. Pulleys are also assembled as part of belt and chain drives as a way to transmit power in one rotating shaft to another.
The pulley, a simple machine, helps to perform work by changing the course of forces and producing easier the moving of large objects. … With this type of pulley – named a fixed pulley – pulling down on a rope makes an object surge off the ground. There are also movable pulleys and pulley systems.
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 Groove Width: Accepts cable 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, prepared 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 internal compensation weight in profile 45 x 90 L or 45 x 90 G
For continous operation and major loads use chain pulley 45
Technical Data
aluminium, anodized E6/EV1
Housing from profile 90 x 90
Pulley steel, galvanized, all set for installation
End cap
optimum weight of the lifting door with paired insertion of the pulley, 30kg
weight = 0.680 kg/piece
Applications
Chain reverse unit of counterweights in lifting doors, for interior 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 contact diameter): 2-3/16″ Nominal (2.180″ Actual)
· Cable 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 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 Cable Pulley AFK-113
Pulleys & Hardware
Our collection of commercial pulleys and hardware is well suited for drop down pulleys and commercial applications. We have many different styles that happen to be suitable for various functions such as for example feed and water lines, through-the-wall structure applications and heavy-duty cable and winching.
Are you interested in a custom engineered system, catalog component, or a Ever-power regular assembly? Reach out to our friendly group of professionals and engineers who can response any questions you may have and help you take the next step to creating the Ever-power framing option you need. Contact us today!