14 best mechanical flat belt pulleys

Mechanical flat belt pulleys are crucial components in power transmission systems, commonly found in industrial settings. They play a vital role in transferring power from one rotating shaft to another, allowing machinery and equipment to operate efficiently. Here are some key aspects of mechanical flat belt pulleys:

  1. Function:

    • Flat belt pulleys transmit power between shafts by means of a flexible flat belt.The belt wraps around the pulleys, creating friction that transfers rotational motion.
  2. Design:

    • Flat belt pulleys consist of a grooved wheel (pulley) mounted on a shaft. The groove accommodates the flat belt and prevents it from slipping off during operation.
  3. Materials:

    • Pulleys are commonly made from materials like cast iron, steel, aluminum, or even plastic, depending on the application and load-bearing requirements.
  4. Types of Pulleys:

    • Step Pulleys: These have multiple grooves of different diameters on the same pulley. They allow for adjustable speed ratios by shifting the belt between grooves.
    • Flat-Faced Pulleys: These have a single, flat surface without grooves and are used with flat belts that rely on friction for power transmission.
  5. Belt Types:

    • Flat belts used with these pulleys are typically made of materials like leather, rubber, fabric, or composite materials. Each type of belt material offers different levels of flexibility, strength, and durability.
  6. Applications:

    • Mechanical flat belt pulleys are widely used in various industries, including manufacturing, agriculture, mining, and transportation. They can be found in equipment like conveyors, mills, generators, and more.
  7. Efficiency:

    • Proper tensioning and alignment of belts are crucial for efficient power transmission. Regular maintenance, including checking for wear and adjusting tension, is essential.
  8. Advantages:

    • Flat belt pulleys are known for their simplicity, cost-effectiveness, and ease of maintenance. They can handle high loads and are suitable for a wide range of applications.
  9. Safety Considerations:

    • Operators should exercise caution when working with pulleys, especially during maintenance or when adjusting tension. Safety guards and proper training are important to prevent accidents.
  10. Sizing and Selection:

    • The selection of pulleys depends on factors such as the desired speed ratio, power requirements, and the distance between shafts. Engineers use mathematical formulas to determine the appropriate pulley sizes.

Remember that when working with mechanical components, it's important to follow manufacturer guidelines and industry best practices to ensure safe and efficient operation.

Below you can find our editor's choice of the best mechanical flat belt pulleys on the market
  

Stens V-Idler 280-287 for Case C-25370,Gray

Stens

Based on 6 reviews Check latest price

Product description

Stens 280-287 Stens Heavy-Duty V-Idler. REPLACES OEM: Case: C25370. Height: 7/8", ID: 5/8", OD: 4 1/4", Material: Steel.

BERKEL SHORT BELT - KNIFE PULLEY 2375-15

Berkel

Based on 2 reviews Check latest price

Product description

SPECIFICATIONS

WIDTH: 3/16", 5 mm

OUTER DIAMETER: 7", 178 mm

COLOR: BLACK

MATERIAL: RUBBER

THICKNESS: 1/8", 3 mm

WEIGHT: .014 lb

PART REFERENCE INFO

BERKEL: 2375-15, 2375-00015

MODEL REFERENCE INFO

BERKEL SLICER MODELS: 808, 818

EIsco PH0304 Advanced Pulley Demonstration Set

EISCO

Product description

Advanced Pulley Demonstration Set - Model PH0304.Pulley Demonstration Set. A highly versatile apparatus for the demonstration of various concepts associated with pulleys and their configurations. Demonstrate multiple configurations simultaneously, or concentrate on one topic. Built to last for years in the classroom with a sturdy metal base, and quality-made steel rods. Designed for both the student and the teacher. Its ease of use is suited for students learning the basics of mechanical advantage with pulley applications. The various kinds of pulleys and accessories make it the ideal pulley demonstration tool. Demonstrate mechanical and force differences between a single pulley and double pulley, determining the work/energy of a pulley system or interface with computer sensors (not included) to perform similar activities. Includes Single Pulleys Triple Tandem Pulleys Quadruple Pulleys Heavy Composite Base (81 x 20 cm) fitted with 2 sockets, a capstan and an eye hook Rod (81 cm x 12.5 mm) Collars with hooks Right angled clamp Wheel and Axel Rolls of Cord (string) Tommy Bar to tighten vertical rod.

  • Stands 32 inches high with a 7 8 inch wide base for sturdy display
  • Demonstrate a variety of physics concepts – beginner to advanced
  • Right-angled clamps support horizontal rod on which pulleys hang
  • Collars with hooks can be inserted onto rod to support pulleys
  • Capstan fitted onto one end of the sturdy metal base; hook for attaching pulley at other end

Houkr GT2 Aluminum Timing Belt Idler Pulley Bearing 20&60 Teeth Width 6.35mm Born Synchronous Wheel, with a Perimeter 200mm Width 6mm Belt and a M4 Allen Wrench, for 3D Printer.

Houkr

Based on 148 reviews Check latest price

Product description

Features:

●Bushing design is much moreconvenient to install and disassemble.

●Adopt surface oxidation treatment, Anti-Rust and Anti-corrosion effectively.

 

Specifications:

●Teeth: 20 & 60

●Bore: 6.35 mm

●Length of timing belt: 200 mm

●Width of timing belt: 6 mm

 

Packing List:

●20 teeth born 6.35 mm timing pulley * 1

●60 teeth born 6.35 mm timing pulley * 1

●Length 200mm width 6mm timing belt *1

●M4 allen wrench * 1

 

Note:

In order to avoid the return of waste ofyour valuable time, please carefully view the product design drawings before purchase, confirm that the product is suitable for your machine or meet your needs.

 

Why choose us:

24-hour feedback excellent customer service.

We are committed to creating the best quality products, so that customers get the best experience. I hope you enjoy your shopping time. 

Any purchase doubt please ask in the Q&A or e-mail, we will answer it as soon as possible.

  • ●Anti-corrosion: Surface oxidation treatment, 30% longer than the traditional life.
  • ●Solid and durable: Made of aluminum alloy, high hardness and high precision.
  • ●Simple structure: Easy to install, easy to assemble and disassemble.
  • ●Best choice: The GT2 timing pulley is perfect for 3d printer.
  • ●Applications: Widely used in milling machine, gear shaper, drilling machine, hobbing machine or other machinery transmission occasions.

User questions & answers

Question: The specs say the 20 tooth pulley has a 8 mm bore & the 60 tooth pulley has a 6.35 mm bore, is this right? The drawing is in error. Please clarify
Answer: I have used it with my TI-89 and it works perfectly.If the TI-83 supports the application, the cable is going to work correctly.If you buy it, better download the most updated driver from the TI web site.
Question: what is the distance between the center of one pulley to another when using the included belt
Answer: As far as I know it should be able to connect to it as they have the same style of connector.

MroMax 1Pcs 8 x 30 x 20mm Roller Idler Bearing Pulley Sliding Conveyor Nylon Wheel for Furniture, Hardware Accessories, Mobile Door(Black)

MroMax

Based on 9 reviews Check latest price

Product description

Nylon Flat Belt Bearing Pulley Wheel.

Fashionable, slide flexible, smooth operate.

Low noise, low vibration, high precision. stable performance and durable.

The surface is smooth without burrs, standard round, firm and uniform.

High sealing performance, high operation performance.

It is made of high-quality nylon and plastic, with high durability, long service life, and can reduce vibration and noise.

Widely used in transmission, instrumentation, electrical, household appliances, internal combustion engines, transport vehicles, agricultural machinery, construction machinery, engineering machinery, roller-skating shoes, yo-yo, etc.

  • Main Color: Black; Material: Plastic, Nylon.
  • Dimension: 8 x 30 x 20mm/0.31 x 1.18 x 0.8inch(ID*OD*T).
  • Package Content: 1 x Bearing Pulley.
  • It is made of high-quality nylon and plastic, with high durability, long service life, and can reduce vibration and noise.
  • Application: Widely used in transmission, instrumentation, electrical, household appliances, internal combustion engines, transport vehicles, agricultural machinery, construction machinery, engineering machinery, roller-skating shoes, yo-yo, etc.

Kaba Ilco Auxiliary Lock, Jimmyproof, Bronze

Kaba Ilco

Based on 3 reviews Check latest price

Product description

' Auxiliary Lock , Jimmyproof Deadlock, Bronze Finish, Material Zinc Chromated Heavy Gauge Steel, For Door Thickness 1-3/8 In. to 2-1/4 In., Backset 2-1/2 In., Single Cylinder, Keying Keyed Different, Keyway Type KW1, Pins 5, Throw Length 1 In., Number of Keys 2 '

  • Price For: Each Pins: 5 Keying: Keyed Different Backset: 2-1/2" Finish: Bronze Number of Keys: 2 Material: Zinc Chromated Heavy Gauge Steel Keyway Type: KW1 Item: Auxiliary Lock For Door Thickness: 1-3/8" to 2-1/4" Cylinder: Single Throw Length: 1" Security Type: Jimmyproof Deadlock Country of Origin (subject to change): China

Fenner Drives AFD10458 Driven Pulley, Fixed 5/8" Bore, 10.25" OD

Fenner Drives

Based on 54 reviews Check latest price

Product description

Driven Pulleys offer superior composite design for years of successful service. The use of high-strength glass-reinforced nylon makes the pulleys ideal for wash-down applications and corrosive environments.

  • Country Of Origin: United States
  • Model Number: 06899547
  • Item Package Dimension: 10.75" L x 10.75" W x 2.25" H
  • Item Package Weight: 2.0 lb

User questions & answers

Question: Would this be suitable for a small 3.5 hp tiller
Answer: Dear Bill! Thanks for your interest in TRENDnet! Please note Compatible Cables* • Cat 8, 7, 6, 6e, 6a, 5, 5e, 4, 3, 3e • Coax Video-BNC and CATV-F cable (with included RJ45 to F adapters) • RJ9, RJ11, RJ12, RJ14, RJ25, and RJ61 cables • USOC 2, 4, 6, and 8 • USB 3.0 A to B • USB 2.0 A to B Hope this helps! If you have any more questions, you can always respond directly to this thread and someone will be happy to try and help answer any additional questions you may have! Have a great day! Adrian TRENDnet CS
Question: Is this pulley balanced enough to handle 1500 rpm
Answer: Hi Marcio! Thanks for your interest in TRENDnet! Please note our device can test the following connections. Test Pin Configuration • RJ45 EIA, TIA-568A/568B, and crossover cables • RJ9, RJ11, RJ12, RJ14, RJ25, RJ45, and RJ61 • USOC 2, 4, 6, and 8 • Coax Video-BNC and CATV-F • USB 3.0, USB 2.0 Hope this helps! If you have any more questions, you can always respond directly to this thread and someone will be happy to try and help answer any additional questions you may have! Have a great day! Adrian TRENDnet CS
Question: What size set screw does this take
Answer: Yes, you can connect new PlayStation 4 controllers to your PlayStation and charge them with this cable.
Question: Would this be strong enough to be used for a DIY ski tow rope pulley
Answer: The cable we are selling from this listing is 8 feet. The box we sell is the sames as you see in the images.

Phoenix Flat Idler Pulley Wheel - 3in. Dia, 5/8in. Bore

Based on 2 reviews Check latest price

Product description

This Flat Idler Pulley is for use as a general purpose pulley for power transmission such as compressors, industrial fans, lawnmowers, snowblowers and electrical motors. It does not come with a bore adapter installed, the inside diameter is equal to the bearing diameter of 5/8''. 31300075 features a heavy duty sealed radial single-row bearing.This part is Zinc-coated for long-term rust prevention. Additional Features: Made of Steel Flanges angled outward to help increase belt life

  • Outside Diameter: 3.22"
  • Inside Diameter: 5/8"|Multiple Bore Options
  • Flat Width: 0.75"
  • Width: 0.9"
  • Number of Flanges: 2

User questions & answers

Question: What are the dimensions of this item
Answer: Hi M. Glantz! Thanks for your interest in TRENDnet! The do not have live circuits. Hope this helps! If you have any more questions, you can always respond directly to this thread and someone will be happy to try and help answer any additional questions you may have! Have a great day! Adrian TRENDnet CS

Stens - 280-610 Flat Idler, Simplicity 1685150SM, ea, 1

Stens

Based on 32 reviews Check latest price

Product description

Stens 280-610 Stens Heavy-Duty Flat Idler. REPLACES OEM: Ferris: 1685150, Simplicity: 1685150, 1685150SM, Snapper: 1685150, 1685150SM. Height: 1", ID: 3/8", OD: 3 3/4",Material: Steel.

User questions & answers

Question: Is this a bearing or a bushing in the center
Answer: Hi Ignacio! Thanks for your interest in TRENDnet! This product have 1 year limited manufacturer warranty. Hope this helps! If you have any more questions, you can always respond directly to this thread and someone will be happy to try and help answer any additional questions you may have! Have a great day! Adrian TRENDnet CS

Phoenix Mfg. Flat Idler Pulley - 3.5'' Flat Dia. - 5/8'' Bore - Steel

Phoenix

Product description

This Flat Idler Pulley is for use as a general purpose pulley for power transmission such as compressors, industrial fans, lawnmowers, snowblowers and electrical motors. It comes with symmetrical bore adapters bushed from 17mm to 5/8'' inside diameter. 37350075 features a heavy duty sealed radial single-row bearing. Additional Features: Made of Steel Flanges angled outward to help increase belt life

National Hardware N195-800 3213BC Fixed Single Pulley in Zinc plated,1-1/2"

National Hardware

Based on 770 reviews Check latest price

Product description

Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology. Providing latching and fastening options for all of your indoor and outdoor uses. Twelve different pulleys offer a plenty of mounting and size options. Replacement sheaves are available in four different sizes. Zinc plating offers corrosion resistance for all of your functional hardware needs.

From the Manufacturer

Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology.Providing latching and fastening options for all of your indoor and outdoor uses.Twelve different pulleys offer a plenty of mounting and size options. Replacement sheaves are available in four different sizes.Zinc plating offers corrosion resistance for all of your functional hardware needs.

  • Designed for use with rope or cord in indoor and outdoor applications
  • Zinc die-cast sheave
  • Life Lube alloy bearing
  • Patented bearing design eliminates metal to metal contact for smooth, quiet operation
  • Fixed eye

User questions & answers

Question: Can I disassemble this to use just the wheel for sliding barn door hardware on a tv stand
Answer: I don't know. I am not at home and can't check to see if it is fire rated. If the cable has a CL rating. Then yes it is rated for in wall use.
Question: how big rope size can be used with pully
Answer: I've had a lot of problems in general with long HDMI cables. They do tend be more "sensitive" (code word for unreliable) than the old red. white, and yellow "rca" plug type cabling. But a lot of equipment nowadays does not have output or input for such old cabling choices.
Question: How big is the hole for hanging
Answer: This works for laptop to tv. Don't know about the tablet. If your tablet has an HDMI jack then I assume it would work, but most tablets do not have HDMI jacks.
Question: what weight is it rated for
Answer: Yes This 25FT HDMI cord can do 4K 2160p. I have my Hitachi LU43V809 hooked up to my computer and I'm able to get this 25FT HDMI cord to display 4K 2160p.

Stens 280-762 Flat Idler, Exmark 109-0996, Plastic, 0.625" ID, 8.75" Width

Stens

Based on 11 reviews Check latest price

Product description

Stens 280-762 Stens Flat Idler. REPLACES OEM: Exmark: 109-0996. FITS MODELS: Exmark Laser Z and Next Laser Z. SPECS: Height: 1 5/8", ID: 5/8", OD: 8 3/4", Material: Black Plastic.

UEETEK 2Pcs 25MM Single Pulley Block in 304 Stainless Steel M25 Pulley Roller Loading 400kg - Silver

Based on 326 reviews Check latest price

Product description

Description



This item is manufactured with 304 stainless steel material for durable and long-lasting use. It's rustproof and corrosion-resistant with smooth sliding function. It equips with heavy duty capacity with very practical design and super solid structure. The precise design will ensure its practicability in the work of highly performance.



Features



- Brand: UEETEK.

- Color: Shown in the pictures.

- Material: 304 Stainless steel.

- Size: Approx. 8.5 * 3 * 2.5cm/ 3.35 * 1.2 * 1 inch (L*W*H).

- High Quality: Anti-rust and wear-resistance with highly strong structure.

- Ergonomic Design: 360 degrees rotation to prevent rope from knotting for convenient use.

- Delicate Appearance: Wear and scratch resistance with gorgeous gloss.

- Convenient to Use: Flexible sliding pulley with heavy load capacity for numerous application.

Package Including

Pair * UEETEK 25MM Single Pulley Block in 304 Stainless Steel M25 Pulley Roller Loading 400kg - Silver

  • High Quality: Anti-rust and wear-resistance with highly strong structure.
  • Ergonomic Design: 360 degrees rotation to prevent rope from knotting for convenient use.
  • Delicate Appearance: Wear and scratch resistance with gorgeous gloss.
  • Convenient to Use: Flexible sliding pulley with heavy load capacity for numerous application,Loading 400kg
  • Size: Approx. 8.5 * 3 * 2.5cm/ 3.35 * 1.2 * 1 inch (L*W*H).

User questions & answers

Question: Can these be taken apart
Answer: Normal person answer: "No - they are riveted." Engineer answer: "The pulley is riveted but you could drill it out and then come up with a bolt (maybe 6mm?) and then your would be all set."
Question: I am looking for a pully for rope that is 1/4 inch that will handle the harsh florida sun and rain , any sugestions ? I am on the gulf coast
Answer: I'd check at local marine stores and see what they are selling. I've got nylon ropes that have been used as anchor lines here in NE for over 30 years.
Question: What’s the maximum weight these will hold
Answer: Thanks for your support. Pulley Roller Loading 400kg.
Question: mm is the size of the pulley, not the size of the rope it takes, right? What size rope (max
Answer: Thank you for your support, I hope I can help you. This is the size of the product: about 8.5 * 3 * 2.5cm / 3.35 * 1.2 * 1 inch (length * width * height).

National Hardware N233-247 3219BC Wall/Ceiling Mount Single Pulleys in Zinc, 1-1/2 in.

National Hardware

Based on 426 reviews Check latest price

Product description

Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology. Providing latching and fastening options for all of your indoor and outdoor uses. Twelve different pulleys offer a plenty of mounting and size options. Replacement sheaves are available in four different sizes. Zinc plating offers corrosion resistance for all of your functional hardware needs.

From the Manufacturer

Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology. Providing latching and fastening options for all of your indoor and outdoor uses. Twelve different pulleys offer a plenty of mounting and size options. Replacement sheaves are available in four different sizes. Zinc plating offers corrosion resistance for all of your functional hardware needs.

  • Steel body and axel
  • Zinc die-cast sheave
  • Life Lube alloy bearing
  • LifeSpan Limited Lifetime Warranty
  • Designed for use with rope or cord in indoor and outdoor applications
  • Steel body and axel
  • Zinc die-cast sheave
  • Life Lube alloy bearing

User questions & answers

Question: What is the spacing of the bolt wholes
Answer: I don't know for sure, but the pin the pulley is mounted on comes out so you will have easy access if you have a long bit to drive the screws in. Be sure to check the pin when you replace it for the correct direction and rotation as it will only go in properly one way.
Question: What is the weight capacity of this pulley
Answer: Its stamped on the case at 420 lb
Question: What is the outside width of the housing? I need it to fit in a tight space
Answer: 2-1/4 wide, 2-3/4 tall, 1" thick
Question: what rope diameter can this pull
Answer: I don't have it any more, but I did quick search and found drawing showing .39" diameter - sounds about right as far as I can remember.Link to the drawing: http://d1.cdn.hardwareandtools.net/specifications/03/038613233249.pdf?Expires=1482975720&Signature=LbAONC7jypwb9EHPQeRYYJx7iqa~1FhMGtWYydVEUIA7Vv-UXlJRr9Ypn6dhKllkGhz9a4qrvuTpjhv2YKwrYgOU84Aw7vBpIMvcN4Ri8fQxzeuVw9soB2sSadknMq5JBH3qVBBBhH7xf4k0IacjqCgGomYa5nFaC9HLpPhs3Lo5rlNPpUqtRsl52gN09A6qTKw1edwrQzePaXdekI2H4jkrjJrKjQB-w6nI-HW2y1XIHe-1gy32vfd1OWcrD3Nlyvx5mY-Y5sT2O73Tf~cB9OayrM9bbOxigNFQJtn4P853Dp61aImPQPmuEhnCwrKw8tTbxY0mQDDnbEH2snICQQ__&Key-Pair-Id=APKAID5CO46QGREHMFYA

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