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Idlers(Shaft Type:Bearing Built-in, Double)

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.

Sprocket Shape

  • Shape A
  • Shape B
  • Shape C
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Brand
Product Series
CAD
Days to Ship
Sprocket Shape
Nominal Number
Number of Teeth(T)
Shaft Bore Dia. d(mm)
Material
Type
Number of Strands
Chain Type
Shaft Type
Surface Treatment
  • Recommendation

Idler Sprocket With Hub Japanese Standard

    Idler Sprockets - Single Bearing, Double Bearing

    • On Sale Till 31/03/2025

    Idler Sprocket With Boss

      Standard Idler Sprocket, Double

        Idler Sprocket With Hub European Standard

        • On Sale Till 31/03/2025

        Idler VSB, B-Type Sprockets

          Idler (SIS-SW), Steel Sprocket

            Idler Sprocket With Boss, Double Pitch Type

              Sprocket Idler B-Type SPBW

                Double Idler Sprocket, B-Type

                Brand

                MISUMI

                MiSUMi Economy

                MISUMI

                MISUMI

                KATAYAMA CHAIN

                MISUMI

                MiSUMi Economy

                NABEYA BI-TECH

                IMAO CORPORATION

                MISUMI

                KONISHI

                KATAYAMA CHAIN

                Product Series

                Idler Sprocket With Hub Japanese Standard

                Idler Sprockets - Single Bearing, Double Bearing

                Idler Sprocket With Boss

                Standard Idler Sprocket, Double

                Idler Sprocket With Hub European Standard

                Idler VSB, B-Type Sprockets

                Idler (SIS-SW), Steel Sprocket

                Idler Sprocket With Boss, Double Pitch Type

                Sprocket Idler B-Type SPBW

                Double Idler Sprocket, B-Type

                CAD
                • 2D / 3D
                • 2D / 3D
                • 2D / 3D
                • 2D / 3D
                • 2D / 3D
                • 2D / 3D
                • 2D / 3D
                • 2D / 3D
                • 2D
                • 2D / 3D
                Days to Ship 5 Day(s) Same day or more Same day or more 4 Day(s) or more 5 Day(s) Same day or more 6 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more
                Sprocket ShapeShape BShape CShape BShape CShape BShape BShape BShape BShape BShape B
                Nominal Number4040 ~ 5035 ~ 6035 ~ 806 ~ 825 ~ 8035 ~ 802040 ~ 206040 ~ 6035 ~ 80
                Number of Teeth(T)12 ~ 2012 ~ 1910 ~ 329 ~ 2512 ~ 1413 ~ 2312 ~ 1319 ~ 2512 ~ 179 ~ 25
                Shaft Bore Dia. d(mm)12 ~ 2512 ~ 2010 ~ 3510 ~ 201210 ~ 2010 ~ 2020 ~ 302010 ~ 20
                MaterialSteelSteelSteel / Stainless SteelSteelSteelSteelSteelSteel-Steel
                TypeIdlersIdlersIdlersIdlersIdlersIdlersIdlersIdlersIdlersIdlers
                Number of Strands111111 / 21121
                Chain TypeRSOthersOthersRSRSRSRSDouble PitchRSRS
                Shaft TypeBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, DoubleBearing Built-in, Double
                Surface TreatmentBlack OxideBlack OxideNot Provided / Black OxideBlack OxideBlack OxideTooth Surface HardeningBlack OxideBlack OxideTooth Surface HardeningBlack Oxide

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