Tag Archives: drive sheave

China Bronze Casting Block Single Sheave Rigid Eye Pulley pulley drive

Solution Description

HangZhou Dewell Metals Worldwide Co.,ltd is an global corporation rating amid the leaders on the marketplace of rigging components and decorative merchandise. Our firm’s credo is delivering our partners and their clients with high top quality items at realistic costs.
Our items:
Rigging Hardware Sequence:Chain,Anchor,Steel wire rope and their accent:Shackle,Turnbuckle,Wire rope clip,Thimble,Hook,Connecting Website link,Learn Link,Swift url,Eyebolt and Eye nut,Swivel,Load binder etc.
Ornamental products:Forging and casting spears,Bushes,Scrolls,Publish tops,Leaves,Gate fittings,Balcony bar and so forth.
Constructing Components:Hinge,Wire Netting,Scaffold,Formwork,Connect Fitting and many others.

Aspects of Success:
-a lot more than twenty many years of marketplace existence. 
-Own factories in China.
-Developed sales network at all market segments.
-Design and style of revolutionary merchandise teams.
-Excellent circumstances for mutually advantageous partnership.
-Introduction of innovative technologies in product sales, logistics and inventory depend.


Business FAQ:
one.Could you provide free of charge samples prior to we location agency order
Yes,we’re glad to sent samples for your inspection.Right after obtaining your approval for our samples top quality,you spot organization purchase with us.

two.What’s your MOQ?
It relies upon on distinct merchandise.If it is our normal item,we never have MOQ.If it is new layout items,we have the different MOQ as for every different measurements and things

3.What is actually the supply time?
About 30days following receiving your firm order or deposit.

four.What is the payment expression?
-30% TT deposit,the equilibrium just before shipment for the initial cooperation.
-Irrevocable L/C at sight.
-D/P at sight accessible for old clients

5.What is actually the packing strategy?
We have assortment packing strategies,you can make a selection just before you spot purchase with us.
We also can comply with your specifications about packing,offer your personalized bundle.
 

Size: 25mm to 50mm
Material: Stainless Steel
Surface: Polished
Package: Carton
Transport Package: Carton
Specification: 25MM TO 50MM

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Samples:
US$ 5.1/Piece
1 Piece(Min.Order)

|
Request Sample

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Customization:
Size: 25mm to 50mm
Material: Stainless Steel
Surface: Polished
Package: Carton
Transport Package: Carton
Specification: 25MM TO 50MM

###

Samples:
US$ 5.1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

The benefits of using pulleys

A pulley is a mechanical device that converts force into rotation. There are many advantages to using pulleys. Let’s take a look at a few of them. This article will describe the advantages, types, applications, and power sources of pulleys. You can then choose the pulley that best suits your specific needs. If you’re looking for a new tool to help you with a certain task, this article is for you.
pulley

Mechanical advantage

The mechanical advantage of a pulley can be defined as the ratio of applied force to the applied force. The mechanical advantage of a pulley can be calculated by considering several factors, including weight and friction. It can be calculated by the force applied per unit length of rope and the number of pulleys used. In a single-circuit system, the force required to lift a heavy object is equal to the user’s body weight.
The mechanical advantage of a pulley can be realized by comparing it to a seesaw. Both uses of rope are suitable for lifting objects. A rope four times heavier than a kilo is four times as effective. Because the forces on both sides of the pulley are equal, a small force is enough to move a large weight a short distance. The same force can be applied to a large mass to lift it several meters.
After introducing the concept of mechanical advantage, learners will practice using the pulley system. In addition to testing the pulley system, they should also calculate its mechanical advantage. Using either the instructor-provided handout or the learner’s workbook, students will determine how easily the pulley system functions. Once they have completed the test, they can discuss their results and how the system can be improved. These courses are best completed as part of a mini-unit or as a standalone main course.
The mechanical advantage of the pulley system is proportional to the number of rope loops. This circuit requires the same force as the dual circuit to lift heavy objects. A single lap requires only a third of the force to lift a double lap, while three laps require almost half the energy required for a single lap. The mechanical advantage of the pulley system becomes constant as the number of cycles increases.
The 3:1 Mechanical Advantage system feels like lifting a 300-pound load with three feet of rope. The three-foot-long rope moves the load one foot high. Understanding the mechanical advantages of pulleys is critical for rescuers when trying to create the perfect pulley system. Ideally, the pulley system will be anchored to a nearby rock, tree, pole or person – if the weight is not too heavy.
pulley

Types of pulleys

There are several types of pulleys. V-belt pulleys are the type commonly used in vehicles and electric motors. “V” pulleys require a “V” belt, and some even have multiple V grooves. “V” pulleys are often used in heavy duty applications for power transmission because they reduce the risk of power slippage.
Composite pulleys combine the properties of fixed and movable pulleys. Compound pulleys are able to change the direction of force while requiring relatively low force to move even the heaviest loads. Mechanical advantage is a measure of the effectiveness of a machine or equipment. It can be divided into three categories: force, distance and mechanics. Once you understand how each type works, you can design complex machines.
Fixed pulleys: These pulleys are the most basic type of pulleys. They use ropes and slotted wheels to move with the lifted object. Because they are so simple to set up, lifting heavy objects is a breeze. Although the moving object feels light, it is actually heavier than it actually is. These pulleys are used in construction cranes, utility elevators and many different industries.
Compound Pulley System: A pulley pulley is a combination of two fixed pulleys and one movable pulley. Compound pulley systems are effective for moving heavy objects because they have the largest force multipliers and are flexible enough to change the direction of the force as needed. Composite pulley systems are commonly used in rock climbing, theater curtains and sailing. If you’re looking for a pulley system, you can start by evaluating the types of pulleys and their uses.
Construction Pulleys: These are the most basic types of pulleys and have wheel rails. These pulleys can be lifted to great heights and attached to chains or ropes. They allow workers to access equipment or materials from greater heights. They are usually mounted on wheels with axles and secured with ropes. They are essential tools for construction workers. There are many different types of pulleys out there.

energy source

Belts and pulleys are mechanical devices used to transmit energy and rotational motion. The belt is connected to the rotating part of the energy source, and the pulley is mounted on the other. One pulley transmits power to the other, while the other changes the direction of the force. Many devices use this combination, including automobiles, stationary generators, and winches. It is used in many home applications, from conveyors to treadmills. Pulleys are also used for curtains in theater halls.
Pulley systems are an essential part of modern industry and everyday life. Pulleys are used in elevators, construction sites and fitness equipment. They are also used in belt-driven generators as backup power. Despite their simple and seemingly humble beginnings, they have become a versatile tool. From lifting heavy objects to guiding wind turbines, pulley systems are widely used in our daily lives.
The main reason why pulleys are so popular is the mechanical advantage they offer. They can lift a lot of weight by applying very little force over longer distances. For example, a small motor can pull 10 meters of cable, while a large motor can pull 1 meter. Also, the work done is equal to the force times the distance traveled, so the energy delivered to the large motor is the same.
The power source for the pulley system can be cables, belts or ropes. The drive element in a pulley system is usually a rope or cable. A belt is a loop of flexible material that transmits motion from one pulley to another. The belt is attached to the shaft and a groove is cut in the pulley. The belt then transfers energy from one pulley to the other through the system.
pulley

application

A pulley is a mechanical device used to lift heavy objects. They reduce the amount of work required to lift heavy objects and are an excellent choice for many applications. There are several different applications for pulleys, including elevators, grinders, planters, ladder extensions, and mountaineering or rock climbing. Let’s take a look at some of the most popular uses for pulleys in modern society. These include:-
A pulley is a mechanical device that changes force. To use, you wrap the rope around it and pull down to lift the object. While this device is very useful, a major limitation of using pulleys is that you still have to apply the same force to lift the object as you would without the pulleys. This is why people use pulleys to move large objects like furniture and cars.
In addition to lifting heavy objects, pulleys are used in elevators, flagpoles and wells. These systems allow people to move heavy objects without straining their backs. Many other examples of pulleys in the home include garage doors, flagpoles, and elevators. They also help raise and lower flagpoles, which can reach several stories high.
There are two basic types of pulleys: movable and fixed. Fixed pulleys are attached to a ceiling or other object using two ropes. Modern elevators and construction cranes use movable pulleys, as do some weight machines in gyms. Composite pulleys combine movable and fixed pulleys to minimize the force required to move heavy objects.
Another type of fixed pulley is the flagpole. A flagpole can support a country, organization, or anything else that needs to be lifted. A taller flagpole creates a prouder moment for those who support it. The operation of the rope and pulley mechanism is very simple. The user simply attaches the flag to the rope, pulls the pulley, and he or she can watch the flag rise and unfold.

China Bronze Casting Block Single Sheave Rigid Eye Pulley     pulley driveChina Bronze Casting Block Single Sheave Rigid Eye Pulley     pulley drive
editor by czh 2023-01-15

China supplier Heavy Duty CZPT V Sheave Multi-Ribbed Compound Belt Wheel Cast Iron Drive Grooved Tension Bushing Pulley for Electric Motor Standard

Merchandise Description

Large Duty CZPT V Sheave Multi-ribbed Compound Belt Wheel Solid iron Generate Grooved Rigidity  bushing Pulley For Electric powered Motor

V- belt pulley

V- belt pulley of diverse varieties ( in accordance to kind and width of belts). The materials utilized is cast iron EN-GJL-250 UNI EN 1561, and for only a couple of varieties it is metal C45 E UNI EN 10083-1. They have a modest prebore that can be machined  in accordance to  customers’ needs. Additionally the most widespread sorts are accessible also with taperlock bore.

   European standards : 

    a) V-belt pulley for taper bushing: SPZ, SPA, SPB, SPC, up to ten grooves   

    b) Adjustable speed V-belt pulleys and variable speed pulleys              

    c) Flat belt pulleys and conveyor belt pulleys

·   American standard:  

    a) Sheaves for taper bushing: 3V, 5V, 8V     

    b) Sheaves for QD bushings: 3V, 5V, 8V    

    c) Sheaves for split taper bushing: 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

·   Bore: pilot bore, finish bore, taper bore, bore for QD bushing

–   Parts can be made according to drawings and/or samples

·  we can offer you the rang dimensions diameter 62MM~2000MM

 

  

Organization Profile

Relevant solution:

 

 

 

 

Thoroughly clean the shaft, the inner and outer holes of the bushing, and the inner gap of the hub. Take away any oil, paint or filth, area the bushing on the hub, and match the 50 percent holes to make full holes (every single total hole will only be threaded on a single aspect). Frivolously oil the threads and factors of set screws or the threads and heads of cap screws. Loosely location the screws in the threaded holes on the hub side. Make positive the bushing is cost-free on the hub. Snap the assembly onto the shaft and place it in the wanted placement. Tighten the screws alternately and evenly till all are tight 5. Hammer the large conclude of the bushing with a hammer and block or socket to avoid hurt. The screw can now be turned marginally to the specified torque setting. Repeat this alternating hammering and screw retightening until the specified torque is attained. Fill all holes with grease to get rid of filth.
Taper lock bushing proportions are defined by 4 digits symbolizing two figures. The very first two digits symbolize the highest bore diameter and the very last two digits represent the bushing size. For case in point, portion amount 1008 has a greatest ID of 1.” and an ID measurement of .8″ inches, with the total length specified as a total amount of inches adopted by a portion. For example, a 1.5″ diameter hole would be 1-1/2. Metric hole dimensions are indicated by “MM” right after the metric measurement (X 25MM). Effortless to set up and get rid of, these bushings match on tapered bushing sprockets, or pulley. Bushing touches and wedges inwards, clamping sprocket shaft and bore. Bushing has an 8° taper and is made of metal with a black oxide coating.

China supplier Heavy Duty CZPT V Sheave Multi-Ribbed Compound Belt Wheel Cast Iron Drive Grooved Tension Bushing Pulley for Electric Motor     Standard

China Free Design Custom Timing Belt Pulleys Sheave Industrial Tensioner Taper Bush Zero Backlash Aluminium Cast Iron Motor Conveyor Tractor Flat Bore V Groove Drive V-Belt Pulley factory

Product Description

Timing Belt Pulley Industrial Tensi1r Taper Bush Lock Zero Backlash Aluminium Solid Iron Electrical Motor Conveyor Tractor Flat Bore V Groove Push V-Belt Pulley


 

V-Belt Pulley:

If You Buy An Alternator Just About Anyplace, It Will Not Include This Dual V-Belt Pulley Will Not Be Available & Your Must Transfer It From Your Aged Alternator.Even so, If You Want This Pulley And Your Repair Shop Exchanged Your Alternator For A Core & Forgot To Swap It Out, This Is The Heal For Your Dilemma.This Twin Pulley Is Challenging To Arrive By & Numerous Years Back & This A single Is A Immediate Suit For The Entire Measurement Jeeps.This Twin V-Belt Pulley Has A Nice Chrome End & Is Manufactured Of Higher Top quality Resources For Strength & Sturdiness.

Timing pulley:

Relevant items:

Business:

Cleanse the shaft, the interior and outer holes of the bushing, and the interior hole of the hub. Get rid of any oil, paint or dust, location the bushing on the hub, and match the fifty percent holes to make entire holes (each complete hole will only be threaded on 1 side). Lightly oil the threads and points of established screws or the threads and heads of cap screws. Loosely location the screws in the threaded holes on the hub aspect. Make confident the bushing is free of charge on the hub. Snap the assembly onto the shaft and placement it in the wanted position. Tighten the screws alternately and evenly till all are restricted 5. Hammer the massive end of the bushing with a hammer and block or socket to avoid damage. The screw can now be turned a bit to the specified torque placing. Repeat this alternating hammering and screw retightening until the specified torque is achieved. Fill all holes with grease to get rid of filth.
This 3020 Tapered Lock Bushing is a high top quality, tough, dependable solution that is precision manufactured to last and outperform the competition. 3020 Tapered Locking Bushings are utilized in a extensive assortment of purposes which includes: pulleys, sprockets, drums, drive pulleys, tail pulleys, pulleys and gears, we also provide this! Additionally, this kit has a 60mm bore and a normal keyway, for much more information on the 3020 Tapered Locking Bushing, make sure you make contact with us and we will be pleased to help you.

China Free Design Custom Timing Belt Pulleys Sheave Industrial Tensioner Taper Bush Zero Backlash Aluminium Cast Iron Motor Conveyor Tractor Flat Bore V Groove Drive V-Belt Pulley     factory

China shop Toothed Steel Stainless Sheave Conveyor Block and Tackle Chain Drive Sprocket Standard Metric Pitch Timing Belt Pulley with Pilot Bores Replacement of Htd OEM

Solution Description

Toothed Steel Stainless Sheave Conveyor Block and Tackle Chain Push Sprocket Regular Metric Pitch Timing Belt Pulley with Pilot Bores replacement of Htd 

one) V-Belt pulleys for taper bushes

SPZ    

Groove  variety assortment 
one  fifty~five hundred 
2  50~630 
three  63~630 
four  eighty~630 
five  eighty five~630 
six  a hundred~630 
8  one hundred forty~630 
SPA   

Groove  type variety 
1  63~630 
2  sixty three~800 
three  71~900 
four  ninety~900 
5  a hundred~900 
six  100~900 

 

 

SPB

Groove  type selection 
1  a hundred~315 
2  100~800 
three  a hundred~1250 
four  a hundred twenty five~1250 
five  125~1250 
6  one hundred forty~1250 
8  a hundred and seventy~1250 
10  224~one thousand 

SPC

Groove  variety variety 
three  200~1250 
4  200~1250 
5  200~1250 
six  two hundred~1250 
eight  two hundred~1250

two)V-belt pulleys with solid hub

SPZ

Groove  sort range 
1  forty five~355 
two  forty five~400 
three  forty five~four hundred 
SPA

Groove  type selection 
1  40~560 
two  40~630 
3  56~630 
4  sixty three~630 
five  63~630 

 

SPB

Groove  kind range 
1  56~630 
two  fifty six~630 
three  fifty six~630 
four  eighty~630 
5  eighty~630 
six  a hundred~630 
SPC

Groove  kind variety 
one  one hundred~315 
2  130~450 
three  140~630 
four  one hundred fifty~630 
5  180~630 
six  180~630 

 

three) Adjustable Pace V-belt pulleys prebored and for taper bushes

 

Kind  Profile 
5VS092-1  10X6 SPZ 
5VS093-1  10X6 13X8 
5VS108-one  10X6 13X8 SPZ SPA 
5VS120-1  10X6 13X8 SPZ SPA 
5VS138-one  10X6 13X8 SPZ SPA 
5VS159-one  10X8 SPA 
5VS180-one  10X8 17X11 SPA SPB 
5VS120-two  10X6 thirteen X8 SPZ SPA 
5VS138-2  10X6 thirteen X8 SPZ SPA 
5VS159-two  13X8 SPA 
5VS180-two  13X8 17X11 SPA SPB 
5VS200-two  13X8 17X11 SPA SPB 
5VS250-two  13X8 17X11 SPA SPB SPC 

 

 

 

 

 

Tapered bushings provide a low-value, easy, and quick strategy of securing sprockets, pulleys, and couplings on standard metric and imperial shafts in a assortment of common industrial tolerances and finishes. The tapered surfaces on the bearing pad and mating hub are pushed jointly by large-power screws, permitting the break up bearing pad to shrink securely onto the shaft. Robust clamping force allows substantial torque transfer without the fretting troubles linked with a simple key actuation.

China shop Toothed Steel Stainless Sheave Conveyor Block and Tackle Chain Drive Sprocket Standard Metric Pitch Timing Belt Pulley with Pilot Bores Replacement of Htd     OEM

China sales Cast Iron Taper Lock Bush V Belt Pulley / V Groove Pulley / Sheave / V Belt Drive Pulley manufacturer

Item Description

Item Description

1. European standard:    

    a) V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC up to 10 grooves   

    b) Adjustable speed V-belt pulleys and variable speed pulleys   

    c) Flat belt pulleys and conveyor belt pulleys

two. 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

3. Manufactured according to drawings and/or sample,OEM inquiries welcomed, particularly for big pulley.

four. Material: 45C, cast iron, ductile iron, GG25, GGG40, nylon, aluminum, etc.

5. Surface treatment method: Black oxide, phosphate, painted, Zinc plate or passavited.

six. Bore: pilot bore, finish bore, taper bore, bore for QD bushing.

Comprehensive Pictures

Merchandise Parameters

Packaging & Shipping

Deal Regular appropriate package / Pallet or container.
Polybag inside of export carton exterior, blister and Tape and reel package deal available.
If clients have particular requirements for the packaging, we will gladly accommodate.
Shipping

10-20 functioning times ofter payment receipt comfirmed (based mostly on true quantity).
Packing regular export packing or in accordance to consumers demand.   

Professional merchandise shipping forward.

Company Profile

FAQ

Q: Are you company or trading firm?

A: We are manufacturing facility.

Q: How extended is your shipping and delivery time?

A: Normally it is 5-ten days if the goods are in inventory. or it is fifteen-twenty days if the items are not in inventory, it is according to quantity.

Q: Do you supply samples ? is it free or additional ?

A: Sure, we could offer you the sample for totally free cost but do not pay out the expense of freight.

Q: What is your conditions of payment ?

A: Payment=1000USD, 30% T/T in advance ,harmony prior to shippment.

We warmly welcome buddies from domestic and abroad appear to us for enterprise negotiation and cooperation for mutual reward. To supply buyers excellent high quality goods with excellent price tag and punctual delivery time is our obligation.

A tapered bushing, also identified as a tapered lock bushing, is a tapered, non-flanged, split bushing whose tapered sleeve is both screwed or tightened with a socket head cap screw and squeezed on to the shaft so that It is mounted on the shaft. Protects a vast assortment of pulleys, sprockets, flanged hubs, and couplings. These bushings are utilized in pulleys and sprockets to increase clamping power, even though common bore items lock onto the shaft only with a keyway and set screw. All bushings equipped by EP are individually made of higher-high quality content and boxed grub screws.

China sales Cast Iron Taper Lock Bush V Belt Pulley / V Groove Pulley / Sheave / V Belt Drive Pulley     manufacturer

China high quality Heavy Duty Poly V Sheave Multi-Ribbed Compound Belt Wheel Cast Iron Drive Grooved Tension Bushing Pulley for Electric Motor near me shop

Merchandise Description

Heavy Responsibility CZPT V Sheave Multi-ribbed Compound Belt Wheel Solid iron Push Grooved Stress  bushing Pulley For Electric Motor

V- belt pulley

V- belt pulley of diverse varieties ( according to kind and width of belts). The substance employed is cast iron EN-GJL-250 UNI EN 1561, and for only a couple of varieties it is steel C45 E UNI EN 10083-1. They have a tiny prebore that can be machined  in accordance to  customers’ requirements. Additionally the most typical kinds are offered also with taperlock bore.

   European standards : 

    a) V-belt pulley for taper bushing: SPZ, SPA, SPB, SPC, up to 10 grooves   

    b) Adjustable speed V-belt pulleys and variable speed pulleys              

    c) Flat belt pulleys and conveyor belt pulleys

·   American standard:  

    a) Sheaves for taper bushing: 3V, 5V, 8V     

    b) Sheaves for QD bushings: 3V, 5V, 8V    

    c) Sheaves for split taper bushing: 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

·   Bore: pilot bore, finish bore, taper bore, bore for QD bushing

–   Parts can be made according to drawings and/or samples

·  we can offer you the rang dimensions diameter 62MM~2000MM

 

  

Business Profile

Connected item:

 

 

 

 

Put in 1.1. Cleanse all oil, dust and paint from shafts, bushing holes, bushing exterior and holes of components (sprockets, pulleys, and so on.). Insert the bushing into the assembly. 3. Match the sample of holes, not threaded holes (every gap is threaded on one particular side only). Insert the socket head cap screws or screws into the fifty percent-threaded holes proven in the picture under. Set up the assembly on the shaft. 4. Transform the torque setting or include screw* to the recommended torque location in the diagram underneath. Fill any unfilled holes with grease.

China high quality Heavy Duty Poly V Sheave Multi-Ribbed Compound Belt Wheel Cast Iron Drive Grooved Tension Bushing Pulley for Electric Motor     near me shop

China shop Timing Belt Pulleys Sheave Industrial Tensioner Taper Bush Zero Backlash Aluminium Cast Iron Motor Conveyor Tractor Flat Bore V Groove Drive V-Belt Pulley factory

Solution Description

Timing Belt Pulley Industrial Tensioner Taper Bush Lock Zero Backlash Aluminium Cast Iron Electrical Motor Conveyor Tractor Flat Bore V Groove Push V-Belt Pulley


 

V-Belt Pulley:

If You Buy An Alternator Just About Everywhere, It Will Not Consist of This Dual V-Belt Pulley Will Not Be Offered & Your Have to Transfer It From Your Outdated Alternator.Nonetheless, If You Require This Pulley And Your Fix Store Exchanged Your Alternator For A Core & Forgot To Swap It Out, This Is The Heal For Your Issue.This Dual Pulley Is Difficult To Come By & A lot of Years Back again & This One particular Is A Immediate In shape For The Complete Dimension Jeeps.This Dual V-Belt Pulley Has A Wonderful Chrome Finish & Is Made Of Larger High quality Materials For SCZPT & Sturdiness.

Timing pulley:

Related merchandise:

Firm:

Tapered bushings provide a lower-cost, simple, and quickly approach of securing sprockets, pulleys, and couplings on common metric and imperial shafts in a assortment of common business tolerances and finishes. The tapered surfaces on the bearing pad and mating hub are pushed jointly by higher-energy screws, permitting the split bearing pad to shrink securely onto the shaft. Sturdy clamping drive permits high torque transfer with out the fretting issues connected with a basic important actuation.

China shop Timing Belt Pulleys Sheave Industrial Tensioner Taper Bush Zero Backlash Aluminium Cast Iron Motor Conveyor Tractor Flat Bore V Groove Drive V-Belt Pulley     factory