Ever-power Transmission is maker & distributor of industrial hardware & supplies including cable rope blocks or wire pulleys. The blocks (cable pulleys) types include dual sheave directional blocks, assembly blocks, horizontal directional blocks, snatch blocks, single swivel directional blocks, vertical directional blocks, solo swivel eye blocks, dual swivel eye blocks, solo flat mount blocks, double flat mount blocks, solitary fixed eye blocks, double fixed eye blocks, solitary swivel hook blocks, double swivel hook blocks & special blocks. When you have any specialized questions or need help with placing your orders after that either call us or email us at hzpt@hzpt.com
A pulley is a wheel on an axle or shaft that’s designed to support motion and change of route of a taut cable connection or belt, or transfer of vitality between the shaft and cable or belt. In the case of a pulley reinforced by a body or shell that does not transfer power to a shaft, but is used to guide the wire or exert a force, the assisting shell is named 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 wire or belt. The travel aspect of a pulley program can be a rope, cable, belt , or chain .
The earliest evidence of pulleys date back 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) recognized the pulley as you of six simple devices used to strength train.[3] Pulleys will be assembled to form a block and tackle in order to present mechanical advantage to use huge forces. Pulleys are as well assembled as part of belt and chain drives so as to transmit power in one rotating shaft to another.
The pulley, a simple machine, really helps to perform work by changing the way of forces and making easier the moving of significant objects. … With this type of pulley – called a set pulley – pulling down on a rope makes an object surge off the ground. Additionally, there are 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 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 physique and hub inserts Manufactured from black, high-impact reinforced nylon
· Rides on even ball bearing (un-sealed)
· Weighs just 58 grams
Technical Data
aluminium, anodized E6/EV1
Housing from profile 45 x 90
Pulley steel, galvanized, all set 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 in lifting doors, for internal compensation weight in profile 45 x 90 L or 45 x 90 G
For continous procedure and serious 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
maximum weight of the lifting door with paired insertion of the pulley, 30kg
weight = 0.680 kg/piece
Applications
Chain invert unit of counterweights about lifting doors, for internal compensation weight in profile 90 x 90 L
For continous operation and serious 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 contact 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 human body and hub inserts Manufactured from black, high-impact reinforced nylon
· Rides on even 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 straight down pulleys and professional applications. We have many different styles that will be suitable for various needs such as for example feed and water lines, through-the-wall structure applications and heavy-duty cable and winching.
Are you enthusiastic about a custom engineered system, catalog component, or a Ever-power typical assembly? Get in touch with our friendly group of authorities and engineers who can response any questions you may have and help you take the next phase to creating the Ever-power framing solution you will need. Contact us today!