Ever-power Transmission is maker & distributor of industrial hardware & supplies including cable rope blocks or cable pulleys. The blocks (cable pulleys) types include twice sheave directional blocks, assembly blocks, horizontal directional blocks, snatch blocks, one swivel directional blocks, vertical directional blocks, solo swivel eye blocks, twice swivel eye blocks, sole flat mount blocks, twice flat mount blocks, single fixed eye blocks, twice fixed eye blocks, sole swivel hook blocks, dual swivel hook blocks & exceptional blocks. If you have any technical questions or need help with positioning 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 activity and change of direction of a taut cable connection or belt, or transfer of ability between your shaft and wire or belt. Regarding a pulley backed by a frame or shell that does not transfer power to a shaft, but is utilized to guide the cable or exert a drive, the helping shell is called a block, and the pulley may be called a sheave.
A pulley might have a grooveor grooves between flanges around its circumference to find the cable or belt. The drive element of a pulley system could be a rope, wire, 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) identified the pulley as you of six simple machines used to strength train.[3] Pulleys will be assembled to create a block and tackle to be able to give mechanical advantage to use significant forces. Pulleys are also assembled within belt and chain drives to be able to transmit power in one rotating shaft to some other.
The pulley, a simple machine, helps to perform work by changing the route of forces and making easier the moving of large objects. … With this sort of pulley – called a fixed pulley – pulling down on a rope makes an object rise 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)
· 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 smooth ball bearing (un-sealed)
· Weighs just 58 grams
Technical Data
aluminium, anodized Electronic6/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 on lifting doors, for interior 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
optimum 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 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 Size: 3″ Nominal (2.984″ Actual)
· Effective Diameter (Cable get in touch with diameter): 2-3/16″ Nominal (2.180″ Actual)
· Cable connection 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 human body and hub inserts Made of black, high-impact reinforced nylon
· Rides on simple 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 industrial pulleys and hardware is suitable for drop straight down pulleys and commercial applications. We have a number of styles that will be suitable for various reasons such as 
feed and water lines, through-the-wall structure applications and heavy-duty cable and winching.
Are you enthusiastic about a custom engineered program, catalog aspect, or a Ever-power regular assembly? Reach out to our friendly group of experts and engineers who can response any questions you could have and assist you to take the next phase to creating the Ever-power framing answer you need. Contact us today!