Ever-power Transmission is maker & distributor of professional hardware & supplies including cable rope blocks or cable pulleys. The blocks (cable pulleys) types include double sheave directional blocks, assembly blocks, horizontal directional blocks, snatch blocks, sole swivel directional blocks, vertical directional blocks, single swivel eye blocks, dual swivel eye blocks, sole flat mount blocks, double flat mount blocks, single fixed eye blocks, twice fixed eye blocks, one swivel hook blocks, dual swivel hook blocks & exceptional blocks. When you have any technological 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 is designed to support movement and change of way of a taut wire or belt, or transfer of electricity between the shaft and wire or belt. In the case of a pulley supported by a body or shell that does not transfer power to a shaft, but is employed to guide the cable or exert a power, the helping shell is named a block, and the pulley could be called a sheave.
A pulley may have a grooveor grooves between flanges around its circumference to locate the wire or belt. The drive element of a pulley program can be a rope, wire, belt , or chain .
The earliest evidence of 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) recognized the pulley as you of six simple devices used to strength train.[3] Pulleys happen to be assembled to form a prevent and tackle in order to present mechanical advantage to use large forces. Pulleys are likewise assembled within belt and chain drives in order to transmit power in one rotating shaft to another.
The pulley, a straightforward machine, helps to perform work by changing the direction of forces and making easier the moving of significant objects. … With this type 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 Size: 2″ Nominal (2.014″ Actual)
· Effective Diameter (Cable speak to diameter): 1.5″ Nominal (1.538″ Actual)
· Cable connection Groove Width: Accepts cable 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 easy 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 interior compensation weight in profile 45 x 90 L or 45 x 90 G
For continous operation and hefty loads use chain pulley 45
Technical Data
aluminium, anodized E6/EV1
Housing from profile 90 x 90
Pulley steel, galvanized, ready for installation
End cap
optimum weight of the lifting door with paired insertion of the pulley, 30kg
weight = 0.680 kg/piece
Applications
Chain invert unit of counterweights on lifting doors, for interior compensation weight in profile 90 x 90 L
For continous procedure and heavy 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 connection 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 physique and hub inserts Manufactured from 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 perfect for drop straight down pulleys and commercial applications. We possess a number of styles that happen to 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 considering a custom engineered system, catalog element, or a Ever-power regular assembly? Reach out to our friendly crew of experts and engineers who can answer any questions you may have and help you take the next phase to creating the Ever-power framing alternative you need. Contact us today!