$10 4pcs Groove Wheel, U-Shaped Plastic Wrapped Bearing Roller (8x40 Industrial Scientific Material Handling Products Wheels $10 4pcs Groove Wheel, U-Shaped Plastic Wrapped Bearing Roller (8x40 Industrial Scientific Material Handling Products Wheels /berserker770127.html,Industrial Scientific , Material Handling Products , Wheels,Roller,Wrapped,U-Shaped,(8x40,Groove,Wheel,,Plastic,seniormilitaryintransition.com,$10,4pcs,Bearing 4pcs Groove New product!! Wheel U-Shaped Plastic Roller Bearing Wrapped 8x40 4pcs Groove New product!! Wheel U-Shaped Plastic Roller Bearing Wrapped 8x40 /berserker770127.html,Industrial Scientific , Material Handling Products , Wheels,Roller,Wrapped,U-Shaped,(8x40,Groove,Wheel,,Plastic,seniormilitaryintransition.com,$10,4pcs,Bearing

4pcs Groove New product Wheel U-Shaped Plastic Roller Max 59% OFF Bearing Wrapped 8x40

4pcs Groove Wheel, U-Shaped Plastic Wrapped Bearing Roller (8x40


4pcs Groove Wheel, U-Shaped Plastic Wrapped Bearing Roller (8x40


Product description


Made of high quality material, these pulleys are durable, sturdy and wearable.

Internal lubrication grease, smooth operation, good mute effect.

U-shape groove design, smooth surface reduces friction.

There are total 4 pcs of pulleys in one set that you many use for many projects.

Widely used in doors and window to track and drive mechanical equipment.


Model: 0840UU

Type: U-groove

Material: Metal, plastic

Color: Black

Inner Diameter: 8mm/0.3in

Outer Diameter: 40mm/1.6in

Thickness: 20.7mm/0.8in

Quantity: 4pc

Weight: 109g(approx.)

Package Includes:

4 x Pulleys

4pcs Groove Wheel, U-Shaped Plastic Wrapped Bearing Roller (8x40


Energy for ecodevelopment

HELIO's contribution

HELIO is an international network of economists, energy experts and analysts that monitored the impact of energy policies on ecodevelopment.

Our system of indicators

Hydro, Eolien, Light, Insulation, Organomasse

HELIO International's name comes from the various energy options that best support ecodevelopment. The idea was born in 1996 during preparations for RIO+5. HELIO obtained its not-for-profit status in July 1997 and is registered under the French Law of 1901.

Our objectives

  • Analyse whether energy policy was supporting ecodevelopment

  • Assess whether existing and future energy assets were vulnerable to the impacts of climate change

  • Call attention to a smart energy path approach to ensure ecodevelopment

HELIO has proudly held a unique place in the global environmental movement. It owes this to its members, who have been professionally demanding and dedicated to the public good globally.

Dr. Hélène Connor

Founder and Honorary President

What is ecodevelopment ?

Ecodevelopment is sustainable and equitable development for all. It is the use of natural resources with usufructal technologies and the regulation of markets with participatory governance. The harmonious interaction between the environment and markets results in ecodevelopment.

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HELIO network & reports

Click an area to browse all local reports



sep EERA – Compte rendu de l’atelier de mobilisation des décideurs – Benintipee TIPEE Report – Benin 2014var Energy systems in Benin (2009)_ENRacing Power R9138 Carburetor Spacersew Énergie et écodéveloppement: République du Bénin (2006)sew Energie et Ecodéveloppement au Bénin (2002)


sew Energy and Sustainable Development in Botswana (2002)

Burkina Faso

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var Energy Systems in Kenya (2009)_ENToughBuilt - Non-Marring SnapShells - Rubber Shell - Comfortable


sep INSIDE STORY: Working towards a Smart Energy Path – Experience from Benin, Mali and Togosep EERA – Compte rendu de l’atelier de mobilisation des décideurs – Malitipee TIPEE Report – Mali 2014var Energy Systems in Mali (2009)_ENvar Energy Systems in Mali (2009)_FRsew Renforcer la résilience des systèmes énergétiques et des écosystèmes en Mali (2007)sew Énergie et écodéveloppement en Mali (2006)sew Energie et Ecodéveloppement au Mali (2002)


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South Africa

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The Democratic Republic Of The Congo

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var Energy Systems in Uganda (2009)_ENvar Energy Systems in Uganda (2009)_FRsew Improving Energy Resilience in Uganda (2007)_ENsew Improving Energy Resilience in Uganda (2007)_FR

United Republic Of Tanzania

var Energy Systems in Tanzania (2009)_ENAlex Clark Flower Sympathy Cardsew Improving Energy Resilience in Tanzania (2007)_ENSpringdoit Cordless Screwdriver Electric Rechargeable Screwdrivesew Energy and Sustainable Development in Tanzania (2006)sew Sustainability Indicators for the Tanzanian Energy Sector (2002)


sew Energy and Sustainable Development in Zimbabwe (2002)

Guided by 7 principles

  • 1

    Be proactive rather than reactive

  • 2

    Learn by doing

  • 3

    Develop local strategies by and for local citizens

  • 4

    Facilitate and train to build-up local capacity

  • 5

    Ensure non-duplication of efforts

  • 6

    Maintain openness and transparency

  • 7

    Guarantee that solutions are environmentally, technologically and economically sustainable

HELIO is a member of the World Alliance for Efficient Solutions.
Visit website

Sustainable energy watch observatory

HELIO is known for its methodologies and indicator development.

  • SEW


    The first set of policy indicators measured a country or region’s progress towards or movement away from sustainability. This was called the Sustainable Energy Watch (SEW) indicators. More info

  • VAR


    With the increasing threat of climate change impacts, the SEW indicators were enlarged to include indicators that measured the vulnerability of energy systems to climate change and analysed the capacity of adaptation and resilience (VAR) of a country, therefore also assessing the quality of governance. This second set of indicators was called VAR indicators. More info



    Good decisions require good information. However, good information is often not readily available. HELIO’s TIPEE indicators allowed decision makers to use information at-hand to assess whether a current energy policy, under changing climatic conditions, is on track to meet ecodevelopment objectives. TIPEE is from the French and meansTraitement de l’information pour des politiques énergétiques favorisant l’écodéveloppement. More info

  • SEP


    The Smart Energy Path (SEP) includes all stakeholders as joint decision-makers. Together they identify a viable long-term future, requiring only or mostly local energy resources. This ecodevelopment planning is done using backcasting. More info

  • HIFI


    The HELIO Index for Investors (HIFI) helps financiers identify countries best-suited for investment based on how well a country’s energy policies are conducive to the ecodevelopment of the country. Countries practicing SEP would qualify for such investments. More info

The encompassing nature of ecodevelopment, coupled with HELIO's philosophy of inclusive participation, allowed for dialogue and debate across disciplines, countries and even cultures.


Founding Board Secretary, Project Director & Board Member

Other tools

  • CUBE

    HELIO defined public participation procedures to allow energy users and civil society to be better informed and participate in the energy planning processes as a result of liberalised European power markets.

    More info
  • Climate CDM / SSN

    HELIO was a key partner in identifying and developing initiatives around climate change, sustainable development and poverty alleviation.

    More info

    HELIO developed a monitoring methodology, used by SSN and WWF to create the GOLD STANDARD to select energy and climate projects compatible with the Kyoto Protocol.

    Visit website
  • Peace & Climate

    The vast sums of money and human resources which are currently flooding into non-renewable energy and into the arms industry supporting war must be diverted to development of an equally profitable economy based on renewable energy and eco-development, with the potential to address climate change and encourage conflict prevention.

    Edison 3-Light Bathroom Vintage Vanity Wall Sconce Lighting, Ind

Observer at UN conferences


HELIO participated in all the UNFCCC Conference of Parties up to COP21, hosting numerous side-events and presenting its on-going work. At COP5 HELIO introduced the first set of indicators to measure the sustainability of projects under the Clean Development Mechanism (CDM). HELIO presented its latest tools - HIFI and SEP - at COP21.


At RIO+10 (WSSD) HELIO coordinated the French NGO and official contribution on energy. HELIO also presented a major report within the official events in cooperation with International Energy Agency and the World Energy Council. The report used the SEW indicators to track the contribution of energy policies worldwide to ecodevelopment.


  • Responsible for the overall direction of HELIO including providing oversight for the organisation's finances.

  • Responsible for developing and adapting the HELIO indicators as well as providing technical assistance.

  • Responsible for identifying and communicating regional issues to the HELIO Secretariat.

  • Responsible for identifying and coordinating the work of in-country reporters.

  • Responsible for preparing country-level reports, using HELIO’s methodologies and Sustainable Energy Watch indicators.

In 2015, after twenty years of operation, HELIO International decided to discontinue its in-country activities. It now concentrates its resources and knowledge through this Creative Commons website. HELIO’s methodologies, indicators and tools remain available to all; to be used in promoting ecodevelopment through better decision-making and planning in the energy sphere.

The African arm of HELIO International has been created. It is working in Central and West Africa as HELIO-Afrique.