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Idlers(Sprocket Shape:Shape B)

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

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

    Idler Sprocket With Boss

    Idler Sprocket With Boss

    MISUMI

    The Idlers with bearings built-in on both sides of general purpose sprockets.

    • 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 ~ 60 10 ~ 32 10 ~ 35 Steel / Stainless Steel Idlers 1 Others Bearing Built-in, Double Not Provided / Black Oxide
    From: ₹ 2,558.44
    Days to Ship: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list.

    Sprocket Idler B-Type SPBW

    Sprocket Idler B-Type SPBW

    KONISHI

    [Features]·2-row chain sprocket idler. [Materials]·Steel S35C (sprocket). ·Bearing steel (bearing)

    CAD :
    2D
    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 40 ~ 60 12 ~ 17 20 - Idlers 2 RS Bearing Built-in, Double Tooth Surface Hardening
    From: ₹ 4,082.69
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Idler Sprocket With Boss, Double Pitch Type

    Idler Sprocket With Boss, Double Pitch Type

    MISUMI

    The Idlers which bearings are built-in on both sides of Double Pitch Sprockets.

    [Specifications]
    · Material: S45C Equivalent (InductionHardened Teeth Tip)
    · Surface Treatment: Black Oxide
    · Bearing Accuracy: JIS B1514 Class 0

    • 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 2040 ~ 2060 19 ~ 25 20 ~ 30 Steel Idlers 1 Double Pitch Bearing Built-in, Double Black Oxide
    From: ₹ 4,376.62
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Double Idler Sprocket, B-Type

    Double Idler Sprocket, B-Type

    KATAYAMA CHAIN

    • B-type shape
    • 2 bearings used
    • Excellent load capacity product.

    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 ~ 80 9 ~ 25 10 ~ 20 Steel Idlers 1 RS Bearing Built-in, Double Black Oxide
    From: ₹ 1,474.09
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Idler (EIS-S), Engineering Plastic Sprocket

    Idler (EIS-S), Engineering Plastic Sprocket

    IMAO CORPORATION

    [Features]Ball bearing is fixed with a retaining ring. [Applicable Idler]·Shaft part number: PID1511 type.

    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 40 ~ 60 14 ~ 19 15 Engineering Plastic Idlers 1 RS Bearing Built-in, Single Not Provided
    From: ₹ 2,235.27
    Days to Ship: 7 Day(s) or more
    day to ship 7 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Idler (SIS-SW), Steel Sprocket

    Idler (SIS-SW), Steel Sprocket

    IMAO CORPORATION

    Double bearing specification steel sprocket idler fitting chains no. 35 - 80. Ball bearings are fixed with retaining rings.

    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 ~ 80 12 ~ 13 10 ~ 20 Steel Idlers 1 RS Bearing Built-in, Double Black Oxide
    From: ₹ 2,616.45
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Idler (SIS-S), Steel Sprocket

    Idler (SIS-S), Steel Sprocket

    IMAO CORPORATION

    [Features]Ball bearing is fixed with a retaining ring. [Material] Steel

    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 25 ~ 80 12 ~ 19 10 ~ 20 Steel Idlers 1 RS Bearing Built-in, Single Black Oxide
    From: ₹ 2,369.24
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Idler VSB, B-Type Sprockets

    Idler VSB, B-Type Sprockets

    NABEYA BI-TECH

    S25C to S35C, Induction hardened Tooth Tip

    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 25 ~ 80 13 ~ 23 10 ~ 20 Steel Idlers 1 / 2 RS Bearing Built-in, Double Tooth Surface Hardening
    From: ₹ 2,998.78
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Single-Idler (NIS-S), Steel Sprocket

    Single-Idler (NIS-S), Steel Sprocket

    IMAO CORPORATION

    [Features]·Press-fit needle bearing. [Materials]·Steel (Surface treatment: black oxide coating).

    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 25 ~ 80 12 ~ 20 12 ~ 25 Steel Idlers 1 RS Bearing Built-in, Single Black Oxide
    From: ₹ 2,709.95
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Sprocket Idler B-Type SPBS

    Sprocket Idler B-Type SPBS

    KONISHI

    [Materials]Sprocket: Steel material S35C, tooth tip induction hardened. Bearing: Bearing steel

    CAD :
    2D
    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 ~ 50 14 ~ 21 20 - Idlers 1 RS Bearing Built-in, Single Tooth Surface Hardening
    From: ₹ 2,130.35
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
Brand
Product Series
CAD
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 With Hub Japanese Standard

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

        Idler Sprocket With Boss

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

            Sprocket Idler B-Type SPBW

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

                Idler Sprocket With Boss, Double Pitch Type

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

                    Double Idler Sprocket, B-Type

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

                        Idler (EIS-S), Engineering Plastic Sprocket

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

                            Idler (SIS-SW), Steel Sprocket

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

                                Idler (SIS-S), Steel Sprocket

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

                                    Idler VSB, B-Type Sprockets

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

                                        Single-Idler (NIS-S), Steel Sprocket

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

                                            Sprocket Idler B-Type SPBS
                                              Brand

                                              MISUMI

                                              MiSUMi Economy

                                              MISUMI

                                              KONISHI

                                              MISUMI

                                              KATAYAMA CHAIN

                                              IMAO CORPORATION

                                              IMAO CORPORATION

                                              IMAO CORPORATION

                                              NABEYA BI-TECH

                                              IMAO CORPORATION

                                              KONISHI

                                              Product Series

                                              Idler Sprocket With Hub Japanese Standard

                                              Idler Sprocket With Boss

                                              Sprocket Idler B-Type SPBW

                                              Idler Sprocket With Boss, Double Pitch Type

                                              Double Idler Sprocket, B-Type

                                              Idler (EIS-S), Engineering Plastic Sprocket

                                              Idler (SIS-SW), Steel Sprocket

                                              Idler (SIS-S), Steel Sprocket

                                              Idler VSB, B-Type Sprockets

                                              Single-Idler (NIS-S), Steel Sprocket

                                              Sprocket Idler B-Type SPBS

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

                                              ₹ 1,032.00

                                              ₹ 2,558.44

                                              ₹ 4,082.69

                                              ₹ 4,376.62

                                              ₹ 1,474.09

                                              ₹ 2,235.27

                                              ₹ 2,616.45

                                              ₹ 2,369.24

                                              ₹ 2,998.78

                                              ₹ 2,709.95

                                              ₹ 2,130.35

                                              Days to Ship 12 Day(s) or more Same day or more 5 Day(s) or more 6 Day(s) or more 5 Day(s) or more 7 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more
                                              Specifications
                                                                    Sprocket ShapeShape BShape BShape BShape BShape BShape BShape BShape BShape BShape BShape B
                                                                    Nominal Number35 ~ 4035 ~ 6040 ~ 602040 ~ 206035 ~ 8040 ~ 6035 ~ 8025 ~ 8025 ~ 8025 ~ 8035 ~ 50
                                                                    Number of Teeth(T)10 ~ 2010 ~ 3212 ~ 1719 ~ 259 ~ 2514 ~ 1912 ~ 1312 ~ 1913 ~ 2312 ~ 2014 ~ 21
                                                                    Shaft Bore Dia. d(mm)10 ~ 2510 ~ 352020 ~ 3010 ~ 201510 ~ 2010 ~ 2010 ~ 2012 ~ 2520
                                                                    MaterialSteelSteel / Stainless Steel-SteelSteelEngineering PlasticSteelSteelSteelSteel-
                                                                    TypeIdlersIdlersIdlersIdlersIdlersIdlersIdlersIdlersIdlersIdlersIdlers
                                                                    Number of Strands112111111 / 211
                                                                    Chain TypeRSOthersRSDouble PitchRSRSRSRSRSRSRS
                                                                    Shaft TypeBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, SingleBearing Built-in, DoubleBearing Built-in, SingleBearing Built-in, DoubleBearing Built-in, SingleBearing Built-in, Single
                                                                    Surface TreatmentBlack OxideNot Provided / Black OxideTooth Surface HardeningBlack OxideBlack OxideNot ProvidedBlack OxideBlack OxideTooth Surface HardeningBlack OxideTooth Surface Hardening

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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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