China Best Sales for BMW Idle Pulley No.: 11287535860 E88 E90 E60 X3 X5 Tensor De Tiempo / Tensor De Correa / Tensor De Alternador engine pulley

Product Description

Product spections :
128753571, 11 28 7 530 314,, 11 28 7 535 860, 6PK1990

Description :

1. The tensioner is a belt tensioner used in the automobile transmission system. The tension pulley is mainly composed of a fixed shell, a tension arm, a wheel body, a torsion spring, a rolling bearing and a spring sleeve. It can automatically adjust the tension force according to the different tightness of the belt to make the transmission system stable, safe and reliable.

2. The main function of the tensioner bearing is to support the mechanical rotating body.

3.Reduce the friction coefficient during its movement and ensure its rotation accuracy.

4.Change sliding friction into rolling friction.
 
 

2013 BMW 128i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2013 BMW 128i Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2013 BMW 128i M Sport Coupe 2-Door 3.0L 2996CC 183Cu. In. l6 GAS DOHC Naturally Aspirated
2013 BMW 328i Base Coupe 2-Door 2.0L 1997CC 122Cu. In. l4 GAS DOHC Turbocharged
2013 BMW 328i Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2013 BMW 328i xDrive Base Coupe 2-Door 2.0L 1997CC 122Cu. In. l4 GAS DOHC Turbocharged
2013 BMW 328i xDrive Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2012 BMW 128i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2012 BMW 128i Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2012 BMW 328i Base Coupe 2-Door 2.0L 1997CC 122Cu. In. l4 GAS DOHC Turbocharged
2012 BMW 328i Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2012 BMW 328i Base Wagon 4-Door 2.0L 1997CC 122Cu. In. l4 GAS DOHC Turbocharged
2012 BMW 328i Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2012 BMW 328i xDrive Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2012 BMW 328i xDrive Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2011 BMW 128i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2011 BMW 128i Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2011 BMW 328i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2011 BMW 328i xDrive Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2011 BMW 328i xDrive Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2011 BMW 328i xDrive Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2011 BMW Z4 sDrive30i Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW 128i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW 128i Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW 328i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW 328i xDrive Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW 328i xDrive Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW 328i xDrive Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW 528i Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW 528i xDrive Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW X3 2.5si Sport Utility 4-Door 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated
2571 BMW X3 3.0si Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW X3 25i M Sport Sport Utility 4-Door 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated
2571 BMW X3 25i Top Line Sport Utility 4-Door 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated
2571 BMW X3 xDrive28i Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW X3 xDrive30i Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW X5 xDrive30i Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2571 BMW Z4 sDrive30i Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW 128i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW 128i Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW 328i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW 328i xDrive Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW 328i xDrive Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW 328i xDrive Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW 528i Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW 528i xDrive Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW X3 2.5si Sport Utility 4-Door 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated
2009 BMW X3 3.0si Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW X3 xDrive30i Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW X5 xDrive30i Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2009 BMW Z4 sDrive30i Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW 128i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW 128i Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW 328i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW 328xi Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW 328xi Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW 328xi Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW 528i Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW 528xi Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW X3 2.5si Sport Utility 4-Door 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated
2008 BMW X3 3.0i Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW X3 3.0si Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW X5 3.0si Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW Z4 Coupe 3.0si Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2008 BMW Z4 Roadster 3.0si Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW 328i Base Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW 328xi Base Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW 328xi Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW 328xi Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW 525i Base Sedan 4-Door 2.5L 2497CC l6 GAS DOHC Naturally Aspirated
2007 BMW 525i Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW 525xi Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW 530i Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW 530xi Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW 530xi Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW X3 2.5si Sport Utility 4-Door 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated
2007 BMW X3 3.0si Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW X5 3.0si Sport Utility 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW Z4 Coupe 3.0si Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2007 BMW Z4 Roadster 3.0si Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 325i Base Sedan 4-Door 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated
2006 BMW 325i Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 325xi Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 325xi Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 330i Base Sedan 4-Door 3.0L 2979CC l6 GAS DOHC Naturally Aspirated
2006 BMW 330i Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 330xi Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 525i Base Sedan 4-Door 2.5L 2497CC l6 GAS DOHC Naturally Aspirated
2006 BMW 525i Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 525xi Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 530i Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 530xi Base Sedan 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW 530xi Base Wagon 4-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW Z4 3.0i Convertible 2-Door 3.0L 2979CC l6 GAS DOHC Naturally Aspirated
2006 BMW Z4 Coupe 3.0si Coupe 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
2006 BMW Z4 Roadster 3.0si Convertible 2-Door 3.0L 2996CC l6 GAS DOHC Naturally Aspirated

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 1 Year Guarantee
Warranty: 1 Year Guarantee
Type: Tensioner Bearing
Material: Aluminum
Certification: TS16949
Car Make: BMW
Customization:
Available

|

Customized Request

pulley

Can you explain the concept of “efficiency” in pulley systems?

In pulley systems, efficiency refers to the ratio of output work or power to the input work or power, taking into account any losses or inefficiencies in the system. It represents how effectively the pulley system converts the input energy into useful output energy.

The efficiency of a pulley system can be affected by various factors, including friction, mechanical losses, and the design and condition of the pulleys and ropes. Here are some key points to understand about efficiency in pulley systems:

1. Mechanical Advantage and Efficiency: Pulley systems can provide a mechanical advantage by reducing the effort force required to lift a load. However, it’s important to note that while a higher mechanical advantage generally means less effort is needed, it may also result in lower efficiency. This is because as the mechanical advantage increases, the system may experience higher frictional losses and other inefficiencies.

2. Friction and Efficiency: Friction plays a significant role in the efficiency of pulley systems. The interaction between the pulley wheels and the ropes or belts can result in frictional losses, which reduce the overall efficiency of the system. Friction can be minimized by using pulleys with low-friction bearings or by lubricating the contact surfaces.

3. Rope or Belt Material: The choice of rope or belt material can impact the efficiency of a pulley system. Different materials have varying coefficients of friction, flexibility, and durability, which can affect the overall efficiency. For example, using a rope or belt with low friction and high strength can help reduce energy losses and improve efficiency.

4. Pulley Design and Condition: The design and condition of the pulleys also influence efficiency. Pulleys should be properly aligned, have smooth surfaces, and be free from damage or wear. Misaligned or worn pulleys can increase friction and decrease efficiency.

5. System Load: The efficiency of a pulley system can vary based on the magnitude of the load being lifted or moved. Higher loads can result in increased friction and mechanical losses, leading to lower efficiency.

Efficiency is typically expressed as a percentage, with 100% representing a perfectly efficient system where all the input energy is converted into useful output energy. In real-world pulley systems, efficiency is often less than 100% due to various factors, including friction, heat generation, and other losses.

It’s important to consider efficiency when designing or evaluating pulley systems. Higher efficiency means a more effective use of input energy, reduced energy waste, and improved overall performance.

pulley

How do pulleys contribute to the functioning of bicycles and motorcycles?

Pulleys play important roles in the functioning of both bicycles and motorcycles, aiding in power transmission, speed control, and overall mechanical efficiency. Here’s how pulleys contribute to the operation of these vehicles:

1. Bicycles:

– Derailleur System: In most modern bicycles, pulleys are used in the derailleur system. The derailleur is responsible for shifting the bicycle chain between different gears on the front and rear sprockets. Pulleys, often referred to as jockey wheels, are positioned in the derailleur to guide and tension the chain as it moves between gears. They ensure smooth and precise shifting, allowing the rider to adapt to various terrains and maintain an optimal pedaling cadence.

– Belt Drive Systems: Some bicycles use a belt drive instead of a traditional chain drive. Belt drives employ a pulley system that consists of a front pulley attached to the pedal crank and a rear pulley attached to the rear wheel hub. The belt is wrapped around these pulleys, transferring power from the rider’s pedaling motion to propel the bicycle forward. Pulleys in belt drive systems enable efficient power transfer, reduce maintenance needs, and provide a quieter and cleaner alternative to chain drives.

2. Motorcycles:

– Clutch System: Pulleys, known as clutch pulleys, are utilized in motorcycle clutch systems. The clutch connects the engine to the transmission and allows the rider to engage or disengage power transmission to the rear wheel. When the clutch lever is pulled, the clutch pulley separates the engine’s rotational motion from the transmission, disengaging power transfer. Releasing the clutch lever brings the pulley back into contact, engaging power transmission and enabling the motorcycle to move.

– Variable Transmission Systems: Some motorcycles employ pulleys in variable transmission systems, such as continuously variable transmissions (CVT). CVTs use a pair of pulleys connected by a belt or chain. By changing the diameter of the pulleys, the CVT adjusts the gear ratio continuously, providing seamless and efficient power delivery across a wide range of speeds. Pulleys in variable transmission systems contribute to smooth acceleration, improved fuel efficiency, and enhanced riding comfort.

– Drive Belt Systems: Pulleys are also utilized in motorcycles equipped with belt drive systems. Similar to bicycles, these systems consist of a front pulley connected to the engine’s crankshaft and a rear pulley connected to the rear wheel. The belt runs around these pulleys, transferring power from the engine to the rear wheel. Belt drive systems offer advantages such as reduced maintenance, quieter operation, and smoother power delivery compared to traditional chain drives.

Overall, pulleys are integral components in bicycles and motorcycles, contributing to smooth gear shifting, efficient power transmission, and improved overall performance. Whether in derailleur systems, belt drive systems, clutch systems, or variable transmission systems, pulleys play a vital role in enhancing the functionality and ride experience of these vehicles.

pulley

In which industries are pulleys extensively used?

Pulleys are extensively used in various industries for a wide range of applications. Here are some of the industries where pulleys find extensive use:

1. Manufacturing and Industrial: Pulleys are widely used in manufacturing and industrial settings. They are employed in conveyor systems for material handling, assembly lines, and production processes. Pulleys are also utilized in machinery and equipment such as pumps, compressors, generators, and conveyors. These industries rely on pulley systems for efficient movement of materials, power transmission, and mechanical advantage.

2. Construction and Engineering: The construction and engineering industries heavily rely on pulleys for lifting and moving heavy loads. Cranes, hoists, and winches utilize pulley systems to provide mechanical advantage and precise control over lifting operations. Pulleys are also employed in scaffolding systems, elevators, and material handling equipment used in construction projects.

3. Mining and Quarrying: In mining and quarrying operations, pulleys are used in various applications. They are utilized in conveyor systems to transport bulk materials such as coal, ore, and aggregates. Pulleys play a crucial role in mining equipment such as crushers, screens, and excavators, enabling efficient material handling and processing.

4. Transportation and Logistics: The transportation and logistics industries utilize pulleys in various ways. Pulleys are integral components in vehicles, including cars, trucks, buses, and trains. They are used in engines, power steering systems, alternators, and air conditioning systems. In logistics, pulleys are employed in conveyor belts and sorting systems for efficient movement of packages and goods in warehouses and distribution centers.

5. Agriculture and Farming: Pulleys have significant applications in the agriculture and farming sectors. They are used in machinery such as tractors, combines, and harvesters for power transmission and drive systems. Pulleys are also utilized in irrigation systems, grain elevators, and feed processing equipment.

6. Marine and Offshore: Pulleys find extensive use in marine and offshore industries. They are employed in shipbuilding, offshore drilling rigs, and maritime equipment. Pulleys are used in winches, cranes, anchor systems, and rigging applications. They enable safe and efficient lifting, lowering, and positioning of heavy equipment and cargo on ships and offshore platforms.

7. Energy and Utilities: The energy and utilities sectors utilize pulleys in power generation and transmission systems. Pulleys are used in turbines, generators, and power plants to transfer rotational motion and transmit power. They are also employed in renewable energy systems such as wind turbines and hydroelectric plants.

8. Entertainment and Stage Production: Pulleys have applications in the entertainment and stage production industries. They are used in theater rigging systems, concert stages, and amusement park rides. Pulleys enable the controlled movement of scenery, lighting equipment, and performers, ensuring smooth and precise operations.

These are just a few examples of the industries where pulleys are extensively used. Pulleys play a crucial role in a wide range of applications, providing mechanical advantage, power transmission, and efficient movement of loads in numerous industrial sectors.

China Best Sales for BMW Idle Pulley No.: 11287535860 E88 E90 E60 X3 X5 Tensor De Tiempo / Tensor De Correa / Tensor De Alternador   engine pulleyChina Best Sales for BMW Idle Pulley No.: 11287535860 E88 E90 E60 X3 X5 Tensor De Tiempo / Tensor De Correa / Tensor De Alternador   engine pulley
editor by CX