Tag Archives: groove bearing

China factory 5237.8mm plastic coated ball bearing 625 ZZ bearing Y groove roller for Sliding Shower Door Pulley engine pulley

Warranty: NONE
After-sale Service: NONE
Project Solution Capability: NONE
Application: Hotel, Machinery
Design Style: Modern
Model Number: RM5237-Y
Type: Y
Material: Chrome Steel
Package: Plastic Bags/plastic tube,cartons
Service: OEM Customized Services
Feature: Low Noise, High Quality
Certificate: ISO9 9454787 =1000USD, 30% T/T in advance ,balance before shippment.

pulley

Pulley Type

There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.

moving pulley

Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling one end of the rope will double the force on the shaft, resulting in two mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student’s understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!

Fixed wheel pulley

If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it’s not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn’t always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in one direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
pulley

composite pulley

Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than two pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.

load multiplier

The multiplication system has three basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the three parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only four ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by three ropes, each weighing about thirty-five pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over two tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
pulley

Disadvantages of fixed pulleys

There are two basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When two or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.

China factory 5237.8mm plastic coated ball bearing 625 ZZ bearing Y groove roller for Sliding Shower Door Pulley   engine pulleyChina factory 5237.8mm plastic coated ball bearing 625 ZZ bearing Y groove roller for Sliding Shower Door Pulley   engine pulley
editor by Cx 2023-07-11

China Size 6*26*8 Mini Smooth Waterproof Deep Groove Screw Bearing Pulley with Iron Sheets pulley design

Merchandise Description

 

In depth Photographs

 

 

Product Description

 

Merchandise No. Doorway and Window Plastic Bearing Pulley
Proportions OEM ODM
Substance Bearing -Chrome metal, carbon steel, stainless steel
Plastic portion- POM/ Nylon6 /Nylon66 +GF/PU/Rubber
Housing component – Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting
Colour First/black/white/Purple/ Inexperienced/ Orange, or for every customers’ requirement
Floor Remedy Zinc plated/Nickle Plated/Black treatment method/ Painting/Electrophoretic treatment
Characteristics hefty-responsibility,adjustable,minimal sound,easy installation,sliding effortlessly,long daily life,regular,custom-made,and many others.
Software Sliding window and door, Sliding equipment, household furniture add-ons and so forth.
Packaing Foil bag+Neutral Carton+Pallet, or for every customers’ requirement
MOQ 1000 pcs
Direct Time In accordance to the get q’ty
OEM& ODM Technical drawing or sample is required

Firm Profile

 

ABOUT US
Haibite was set up in 1996 and situated at HangZhou, a gorgeous town in China. Our business is bearing maker&bearing distributor. Given that it was first established, Haibite was dedicated in investigation, improvement and manufacture of bearings. Now, Haibite has turn into principal and 1 of the 1st quality suppliers of all varieties of bearings. We could develop the goods built from various materials, structures, designs, colours and so on.
WELCOME TO THE CLUB!

one. Our rollers are in secure top quality with easy rotation, long life operation, modest movement, superior injection technological innovation engineering etc.

two. The Adjustable Rollers with easy and extended lasting procedure, larger performing attributes like wider adjustment ranges, lengthy rolling daily life overall performance, straightforward installment. It is offered in multiple housing alternatives with any wheels to in shape distinct aluminnum. Our roller make sure alignment throughout the full adjustment ranges in developed-in retention system.

3. The personalized components, like plastic parts, stamping patrs, cold forging metal patrs are widely utilized in the window and doors, furnishings, homeowners, transmission method, industrial generate program and so forth.

We are continually strengthening and striving for superb services. We hold a really higher regard for our buyers, the quality of our items, and our level of customer services.

FAQ

1. who are we?
We are dependent in ZheJiang , China, begin from 2017,promote to North The united states(1.00%),Africa(1.00%),Western Europe(1.00%),Southern Europe(1.00%). There are overall about 51-a hundred individuals in our place of work.

two. how can we promise quality?
Constantly a pre-creation sample just before mass production
Always final Inspection prior to cargo

three.what can you acquire from us?
Bearing cage,Bearing pulley,Plastic merchandise,Miniature bearing,Needle roller bearing

four. why should you purchase from us not from other suppliers?
Hardware pulley source factory,20 several years skilled bearing pulley experience

5. what solutions can we offer?
Accepted Shipping Terms: FOB,CFR,CIF,EXW
Accepted Payment Forex:USD,EUR,JPY,CNY
Acknowledged Payment Type: T/T,L/C,D/P D/A
Language Spoken:English,Chinese,Spanish,Japanese,F

 

Our Positive aspects

Sliding glass doorways are getting to be far more and more common, because of the see and organic lights that they give. But there can be some difficulty when it arrives to maintaine them, this kind of as the rollers have worn out. The key component is being aware of which roller matches the first. Many men and women believe that alternate options can be located by pinpointing the doorway maker independently. Really, Most rollers are generic and utilised by various doorway producers.

As the professional manufacturer of sliding rollers, we use various pinpointing characteristics to determine the greatest replacement alternative for your doorway. In addition to the number of wheels your roller utilizes to assistance the door, the existence of dimples, bumps, minimize-outs and flared edges on the rollers housing will narrow down substitute alternatives significantly. The way that the assembly installs in the door body is also vital. The important proportions to verify a substitute include the width and peak of the roller’s outer housing, as nicely as the diameter of the wheel. In addition to the diameter of the wheels, the substance that they are manufactured of, metal or nylon, is also a issue. Prolonged-term, metal wheels are acknowledged to maintain up greater but they can also trigger the keep track of to dress in out more rapidly, especially on hefty doors. Nylon wheels tend to be kinder to the keep track of but may possibly not very last as prolonged as their steel counterparts.

 

Purchase Discover

one.Pls deliver us an inquiry or depart us a information, there will be a committed employees to serve you in 1 hrs.
two.You can ask us to take actual pictures of the items for you, and free of charge samples would be offered.
3. Welcome to visit our factory to negotiate orders, we will do our very best to protect the basic safety of your company journey.
4. Packaging can be personalized according to customer requirements
Finally, Please be sure to click on “Contact supplier” to make contact with us, or “Contact us” with any inquiries that you could have.

 

Aligning: Aligning Bearing
Separated: Unseparated
Rows Number: Single
Material: Stainless Steel
Size: 6*26*8
Feature: High Speed/Hardness

###

Samples:
US$ 0.5/Piece
1 Piece(Min.Order)

|
Request Sample

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Item No. Door and Window Plastic Bearing Pulley
Dimensions OEM ODM
Material Bearing -Chrome steel, carbon steel, stainless steel
Plastic part- POM/ Nylon6 /Nylon66 +GF/PU/Rubber
Housing part – Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting
Color Original/black/white/Red/ Green/ Orange, or per customers’ requirement
Surface Treatment Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment
Features heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc.
Application Sliding window and door, Sliding accessories, furniture accessories etc.
Packaing Foil bag+Neutral Carton+Pallet, or per customers’ requirement
MOQ 1000 pcs
Lead Time According to the order q’ty
OEM& ODM Technical drawing or sample is needed
Aligning: Aligning Bearing
Separated: Unseparated
Rows Number: Single
Material: Stainless Steel
Size: 6*26*8
Feature: High Speed/Hardness

###

Samples:
US$ 0.5/Piece
1 Piece(Min.Order)

|
Request Sample

###

Item No. Door and Window Plastic Bearing Pulley
Dimensions OEM ODM
Material Bearing -Chrome steel, carbon steel, stainless steel
Plastic part- POM/ Nylon6 /Nylon66 +GF/PU/Rubber
Housing part – Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting
Color Original/black/white/Red/ Green/ Orange, or per customers’ requirement
Surface Treatment Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment
Features heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc.
Application Sliding window and door, Sliding accessories, furniture accessories etc.
Packaing Foil bag+Neutral Carton+Pallet, or per customers’ requirement
MOQ 1000 pcs
Lead Time According to the order q’ty
OEM& ODM Technical drawing or sample is needed

What is a pulley?

Pulleys are shafts or wheels on a shaft that support the movement and change of direction of a taut cable. The pulley also transfers power from the shaft to the cable. A simple pulley is used to raise the school flag. Read on to learn about the basic types of pulleys. We also covered the use of pulleys in everyday life. Read on to learn more about this important mechanical part.
pulley

composite pulley

A composite pulley is a mechanical system where two or more pulleys and ropes are connected together. It reduces the force required to lift the load because the force is divided by the distance of each pulley. Distance is equal to the mass of the object. Composite pulleys are a common mechanical system on sailboats. Composite pulleys can be used to lift heavy equipment such as sails.
The compound pulley unit consists of two pulleys, one fixed and the other movable. The fixed pulley is fixed overhead, while the movable pulley is connected to the load by a chain. The lift applies force to the other end of the rope. Anchor points are attached to fixed joists, ceiling joists or sturdy branches. The chain should be long enough to support the load during lifting.
Composite pulleys can be made from a variety of materials. Some are fixed and remain fixed. Others are detachable. The composite pulley combines the advantages of both types, making it a versatile tool. In the table below, these three types of pulleys are compared. It’s easy to see which one is best for your needs. The right choice depends on your specific needs and budget.
The compound pulley system consists of two fixed pulleys and one movable pulley. The compound pulley system multiplies the force by a factor of 2. The compound pulley system is particularly suitable for heavy loads and is ideal for construction sites. Workers apply less than half the load force on the composite pulley, significantly reducing the force required. This is a major benefit for many people.

Fixed pulley

Fixed pulleys are fixed gears of fixed length that are mounted on solid objects. There are many different types of pulley systems. Some cooperate with each other, but not “fixed”.
Fixed pulleys can be used for a variety of purposes. One application is to lift small objects. They have a one-to-one mechanical advantage. Often, a single pulley can lift small loads. The force required to lift a single fixed pulley remains the same. They are usually used to lift lighter objects. They can even be attached to buckets used to draw water from wells.
While single fixed pulleys have desirable mechanical advantages, they are not suitable for force multipliers. Because their mechanical advantage diminishes over time, they are not effective force multipliers. They are used to redirect work so that it can be applied in the most convenient direction. This mechanical advantage is the main advantage of fixed pulleys and the most common way of moving objects. They have several benefits, including the ability to increase the speed of moving objects.
Another application for fixed pulleys is lifting supplies. A scaffold can weigh more than one and can be directly hoisted. In order to facilitate the transportation of materials, fixed pulleys are usually installed on the top of the scaffolding on construction sites. Then thread the rope through the edge of the groove that holds the pulley. The fixed pulley exerts the same force on the pull side as on the push side. The same is true for moving objects with fixed pulleys.
pulley

moving pulley

A movable pulley is a device whose part is fixed to another object, usually a rod or beam. The movable part moves with the load, making the load feel lighter. This is a useful tool for those who need to carry heavy items such as large bags. The advantages of moving pulleys are many. Here are some of them. Read on to learn more about them.
One of the most common uses of movable pulley systems is climbing high objects. Climbers act as pulley loads and pull ropes to lift objects. Eventually, when the traction stops, the climber descends. However, it is still a useful tool in other situations. The movable pulley system can help you climb the tallest objects or lift them to level surfaces.
Another example of movable pulleys is in industry. Depending on the load, movable pulleys make handling and moving loads easier. You can use them in a variety of applications in manufacturing and industry, including cleaning. For example, the American flag is raised and lowered every day. Removable pulleys are a handy tool when buildings need cleaning.
If you’re not sure whether a task requires a pulley, a zipline might be a good option. Connect the two ends of the rope and the pulley will move along the rope, then attach the rope to the metal cable. The load is the person holding the pulley, and the force comes from the attachment on the other end of the rope. There are two types of live pulleys: simple pulleys with just one wheel and live pulleys with many ropes attached.

School flag raised with simple pulleys

How is the school flag raised? It is pulled up by a rope attached to a pulley at the top of the pole. When the rope is pulled, the pulley turns, raising the flag. A pulley is a simple mechanism that helps people move heavier objects with ease. The rope must be securely attached to the pulley to keep the flag stable.
A simple pulley is a spinning wheel with grooves on one side and ropes on the other. The rope can be any length and the wheels can be any size. The rope has to go through the groove and the load is attached to the other end of the rope. Simple pulleys are pulleys with fixed shafts. An example is the wheel on a school flagpole.
A simple pulley system consists of a primary pole, a secondary pole and an outer member. The primary flagpole is connected to the track by a detour, while the secondary flagpole is connected to the track by a pipe. There is a groove on one side of the track, which passes through the inner cavity of the flagpole. An open track at the upper end of the track connects the two parts of the pulley.
A simple pulley can be used for many purposes. This is a useful machine that can be used to raise the flag. Among other things, it can be used in clothing lines, bird feeders, and even roofers. And, of course, you can use the pulley to raise the flag. Its versatility makes it an essential part of school decor.
pulley

cast iron pulley

If you are looking for pulleys for your machine, you may come across cast iron pulleys. They are usually cheap and available in a variety of sizes. The rim is held in place by a mesh attached to a central boss. The arms and spokes can be straight or curved, but most are oval. There are many uses for this type of pulley.
You might wonder why the arms of cast iron pulleys are so curved. Bent arms tend to yield rather than break. Cast iron pulleys are usually round with a slight bump on the rim, which helps keep the belt centered on the rim as it moves. On a 300mm diameter pulley, the bumps may be as small as 9mm.

China Size 6*26*8 Mini Smooth Waterproof Deep Groove Screw Bearing Pulley with Iron Sheets     pulley design	China Size 6*26*8 Mini Smooth Waterproof Deep Groove Screw Bearing Pulley with Iron Sheets     pulley design
editor by czh 2022-12-28

SPA made in China – replacement parts – in Ibb Yemen Spb Spc Spz Heavy Duty Cast Iron Aluminum V Belt Wheel Pulley Bearing Steel V Groove Wheels Sheave Pulley with ce certificate top quality low price

SPA  made in China - replacement parts -  in Ibb Yemen  Spb Spc Spz Heavy Duty Cast Iron Aluminum V Belt Wheel Pulley Bearing Steel V Groove Wheels Sheave Pulley with ce certificate top quality low price

SPA  made in China - replacement parts -  in Ibb Yemen  Spb Spc Spz Heavy Duty Cast Iron Aluminum V Belt Wheel Pulley Bearing Steel V Groove Wheels Sheave Pulley with ce certificate top quality low price

We – EPG Group the bigge EPT Chain and agricultural gearbox manufacturing facility in China with 5 different branches. For more specifics: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828


SPA Spb Spc Spz Weighty Obligation Ca EPT Iron Aluminum V Belt Wheel Pulley Bearing Metal V Groove Whee EPT Sheave Pulley 

SPA SPB S EPT SPZ Weighty Obligation V Pulley ,V pulley, V belt pulley, V groove pulley, V groove belt pulley, taper lock pulley, taper lock V belt pulley, taper lock bushing pulley, taper lock pulleys / taper bore pulley, huge V belt pulley, double V belt pulley, ca EPT iron V belt pulley belt pulley, variable speed V belt pulleys, V belt pulley split pulley, ca EPT iron V belt pulley
V belt pulley specifications:
one) European regular:
A) V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC Up to 10 grooves
B) Adjustable pace V-belt pulleys and variable pace pulleys
C) Flat belt pulleys and conveyor belt pulleys
2) American standard:
A) Sheaves for taper bushings: 3V, 5V, 8V
B) Sheaves for QD bushings: 3V, 5V, 8V
C) Sheaves for split taper bushings: 3V, 5V, 8V
D) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH, 2AK, 2AKH, BK, BKH, 2BK, 2BKH, 3BK
E) Adjustable sheaves: Poly V-pulley, multi-pitch H, L, J, K and M
three) Bore: Pilot bore, completed bore, taper bore, bore for QD bushing
4) Surface complete: Paint, phosphating, zinc plated
5) Materials: Ca EPT iron, ductile iron, nylon, aluminum
six) Made according to drawings and/or samples, OEM inquiries welcomed

 

Specification:
1 Manufactured of exceptional ca EPT iron Pulley type: V Pulley
2 Excellent hardness and power. Anticorrosive ability
three SPA, SPB, SPC, SPZ, AK, AKH, 2AK, 2AKH, BK, BKH,2BK, 2BKH, 3BK and non-normal sequence
four All the products would be accomplished by precise machining and electrical power portray to get easy surface area
5 Each merchandise would be tested continuously and carefully just before the shipment
six Protected package to protect goods throughout the shipment
  Positive aspects:
1 The robust technological innovation group as nicely as the superior gear
2 Much more than 20 many years knowledge
three The Items have got good feedback in the world industry
4 OEM support and particular style provider be accepted
5 ISO9001-2000 Accredited.

HangZhou EPT Sector Co., Ltd. is a specialised provider of a entire variety of chains, sprockets, gears, equipment racks, v belt pulley, timing pulley, V-belts, couplings, machined components and so on.

Because of to our sincerity in offering be EPT provider to our consumers, understanding of your requirements and overriding perception of obligation toward filling ordering specifications, we have obtained the tru EPT of consumers globally. Obtaining gathered treasured knowledge in cooperating with international customers, our goods are marketing nicely in the American, European, South American and Asian marketplaces.Our products are created by modern computerized equipment and tools. Meanwhile, our merchandise are manufactured according to substantial good quality expectations, and complying with the international advanced normal standards.

With many years’ knowledge in this line, we will be dependable by our positive aspects in competitive price, a single-time delivery, prompt reaction, on-hand engineering support and excellent soon after-sales companies.

Moreover, all our generation procedures are in compliance with ISO9001 requirements. We also can style and make non-standard products to fulfill customers’ unique demands. Top quality and credit are the bases that make a company alive. We will offer be EPT providers and higher good quality products with all sincerity. If you want any details or samples, please make contact with us and you will have our before long reply.

 

The use of authentic equipment manufacturer’s (OEM) part figures or emblems , e.g. CASE® and John Deere® are for reference reasons only and for indicating product use and compatibility. Our company and the outlined alternative areas contained herein are not sponsored, accredited, or produced by the OEM.

SPA  made in China - replacement parts -  in Ibb Yemen  Spb Spc Spz Heavy Duty Cast Iron Aluminum V Belt Wheel Pulley Bearing Steel V Groove Wheels Sheave Pulley with ce certificate top quality low price

SPA  made in China - replacement parts -  in Ibb Yemen  Spb Spc Spz Heavy Duty Cast Iron Aluminum V Belt Wheel Pulley Bearing Steel V Groove Wheels Sheave Pulley with ce certificate top quality low price

SPA  made in China - replacement parts -  in Ibb Yemen  Spb Spc Spz Heavy Duty Cast Iron Aluminum V Belt Wheel Pulley Bearing Steel V Groove Wheels Sheave Pulley with ce certificate top quality low price