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Idlers

An idler is a gear-shaped part that rotates as a chain moves. It is used in various machines, such as automobile engines, compressors, and power generators that transmit power using belts and chains. However, idlers themselves are idle gears that do not transmit power to gears or shafts. By using an idler, it is possible to maintain suitable transmission tension and stable movement. In addition, there are gear-shaped sprockets that transmit rotation, idler pins for fixing the idler with nuts and screws, tensioners for adjusting the slackness and friction of the chain, etc., and guide rollers for sliding doors. In particular, there are three types of sprockets: A type on a flat plate without a boss, B type with a boss on one side, and C type with a boss on both sides.
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  • Recommended

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    Idler Sprocket Japanese Standard Single Bearing

    Recommended

    MiSUMi Economy

    Idler Sprocket Japanese Standard Single Bearing

    MiSUMi Economy

    MISUMI

    • Volume Discount
    CAD :
    2D / 3D
    Sprocket Shape Nominal Number Number of Teeth(T) Shaft Bore Dia. d(mm) Material Type Number of Strands Chain Type Shaft Type Surface Treatment
    - 35 ~ 80 9 ~ 25 10 ~ 20 Steel Idlers 1 RS Bearing Built-in, Single Black Oxide
    Recommended
    From: ₹ 513.00
    Days to Ship: Same day or more
    day to ship Same day or more
  • Recommended

    You can add up to 6 items per a category to the compare list.

    Idler Sprocket With Hub Japanese Standard

    Recommended

    MiSUMi Economy

    Idler Sprocket With Hub Japanese Standard

    MiSUMi Economy

    MISUMI

    • Volume Discount
    CAD :
    2D / 3D
    Sprocket Shape Nominal Number Number of Teeth(T) Shaft Bore Dia. d(mm) Material Type Number of Strands Chain Type Shaft Type Surface Treatment
    Shape B 35 ~ 40 10 ~ 20 10 ~ 25 Steel Idlers 1 RS Bearing Built-in, Double Black Oxide
    Recommended
    From: ₹ 1,032.00
    Days to Ship: 12 Day(s) or more
    day to ship 12 Day(s) or more
  • Economy series

    You can add up to 6 items per a category to the compare list.

    Idler Sprocket European Standard Single Bearing
    MiSUMi Economy

    Idler Sprocket European Standard Single Bearing

    MiSUMi Economy

    MISUMI

    • Volume Discount
    CAD :
    2D / 3D
    Sprocket Shape Nominal Number Number of Teeth(T) Shaft Bore Dia. d(mm) Material Type Number of Strands Chain Type Shaft Type Surface Treatment
    - 6 25 17 ~ 20 Steel Idlers 1 RS Bearing Built-in, Single Black Oxide
    From: ₹ 1,227.00
    Days to Ship: 12 Day(s)
    day to ship 12 Day(s)
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From
Days to Ship
Specifications
Sprocket Shape
Nominal Number
Number of Teeth(T)
Shaft Bore Dia. d(mm)
Material
Type
Number of Strands
Chain Type
Shaft Type
Surface Treatment

    You can add up to 6 items per a category to the compare list.

    Idler Sprocket Japanese Standard Single Bearing

        You can add up to 6 items per a category to the compare list.

        Idler Sprocket With Hub Japanese Standard

            You can add up to 6 items per a category to the compare list.

            Idler Sprocket European Standard Single Bearing
              Brand

              MISUMI

              MiSUMi Economy

              MISUMI

              MiSUMi Economy

              MISUMI

              MiSUMi Economy

              Product Series

              Idler Sprocket Japanese Standard Single Bearing

              Idler Sprocket With Hub Japanese Standard

              Idler Sprocket European Standard Single Bearing

              CAD
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              From

              ₹ 513.00

              ₹ 1,032.00

              ₹ 1,227.00

              Days to Ship Same day or more 12 Day(s) or more 12 Day(s)
              Specifications
                    Sprocket Shape-Shape B-
                    Nominal Number35 ~ 8035 ~ 406
                    Number of Teeth(T)9 ~ 2510 ~ 2025
                    Shaft Bore Dia. d(mm)10 ~ 2010 ~ 2517 ~ 20
                    MaterialSteelSteelSteel
                    TypeIdlersIdlersIdlers
                    Number of Strands111
                    Chain TypeRSRSRS
                    Shaft TypeBearing Built-in, SingleBearing Built-in, DoubleBearing Built-in, Single
                    Surface TreatmentBlack OxideBlack OxideBlack Oxide

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                    1. 1

                    Related Categories to Idlers

                    FAQ Idlers

                    Question: What is an idler, and how does it work?
                    Answer: An idler is a component used in various mechanical systems to maintain tension, guide, or support a belt, chain, or rope. It doesn't transmit power but helps in reducing friction and ensuring smooth motion by rotating freely. Idlers are commonly found in automotive systems, conveyor belts, and industrial machines.
                    Question: What are the different types of idlers?
                    Answer: There are several types of idlers, including:
                    • Roller idlers: These have cylindrical rollers that reduce friction and wear.
                    • Ball idlers: Similar to roller idlers but use ball bearings for even lower friction.
                    • Flanged idlers: These have flanges on either side to guide a belt or chain.
                    • Return idlers: Used in conveyor systems to return the belt or chain back to its starting point.
                    • Conveyor Idlers: Support the belt in conveyor systems.
                    • Tensioner Idlers: Help in maintaining proper tension in belts, particularly in automotive engines.
                    • Guide Idlers: Ensure that the belt or chain stays aligned.
                    • Flat Carry Idlers: Used in flat belt conveyor systems to support materials.
                    Question: Where are idlers commonly used?
                    Answer: Idlers are found in various industries, including:
                    • Conveyor systems: To support and guide belts or chains.
                    • Power transmission systems: To change the direction of rotation or reduce friction in gears.
                    • Material handling equipment: To move and transport materials efficiently.
                    Question: What is the difference between a carrying idler and a return idler?
                    Answer: A carrying idler supports the loaded side of a conveyor belt, while a return idler supports the empty side.
                    Question: What is the purpose of a self-aligning idler?
                    Answer: A self-aligning idler can compensate for slight misalignments in the conveyor belt or chain, reducing wear and tear.
                    Question: What is the difference between an idler pulley and a tensioner pulley?
                    Answer: An idler pulley helps guide the belt and maintains alignment, while a tensioner pulley actively applies pressure to keep the belt tight. Tensioner pulleys are spring-loaded or adjustable, whereas idler pulleys typically rotate freely without adjusting tension.
                    Question: What factors should I consider when choosing an idler?
                    Answer: When selecting an idler, consider the following:
                    • Material: Steel, aluminum, or plastic, depending on the load and environment.
                    • Size: Ensure the idler matches your system's belt or chain specifications.
                    • Load capacity: For conveyor systems, choose an idler capable of handling the weight of your materials.
                    • Speed rating: Ensure the idler can withstand the speed of your belt or chain.
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