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Oil Free Bushings(Metal Type:Cast Iron)

Since bearings usually receive a lot of frictional resistance that generates heat, lubricants such as oil or grease are used to prevent the seizing or abnormal wear that this frictional heat could otherwise cause. Lubrication-free bushings don't need lubricating oil because the bearing body has a lubricating structure made possible by lubricating oil in the bearing body, or by embedded solid lubricant or the like. Since they don't need lubricating oil, lubrication-free bushings are often used for applications such as precision machinery that makes lubricating oil refilling difficult, and equipment with poor affinity to oil. They also greatly reduce maintenance costs by eliminating the need for regular lubrication and enabling stable operation over long periods. Lubrication-free bushings come in a variety of shapes that can be used for different applications as needed. Examples include straight bushings, collar bushings, flange bushings and housing bushings.

Type

  • Straight/sleeve
  • Flanged Type
  • Flange-Mount Type
  • Housing Unit Type
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Brand
Product Series
CAD
Days to Ship
Type
RoHS Information
Inner Dia. d(Ø)
Features, Areas of Application
Outer Dia. D(Ø)
Overall Length L(mm)
Metal Type
Environment
Resin Type
Multi-layer
Case Shape
Mounting Shaft Fit
Mounting Hole Fits
Lubrication
Thickness t(mm)
Max. Allowable Surface Pressure P(N/mm2)
Case Material
Max. Allowable Velocity V(m/s)
Length Type
Max. Allowable PV Value Range(N/mm2・m/s)
Max. Allowable PV Value(N/mm2•m/s)

    #300 Bushing (30B)

      Oil Free Bushings - Straight / Flanged

        #300F Flanged Bushing (30F)

          Oil Free Bushings / Oil Free Bushing Housing Units - Blocks - Flanged

            Oil Free Bushing Housing Units - Blocks / Built-in Cast Bushings

              #300 Bushing Thin Type (30B)

                #500F-SL1 Guide Bushing (FGB)

                Brand

                OILES

                MISUMI

                OILES

                MISUMI

                MISUMI

                OILES

                OILES

                Product Series

                #300 Bushing (30B)

                Oil Free Bushings - Straight / Flanged

                #300F Flanged Bushing (30F)

                Oil Free Bushings / Oil Free Bushing Housing Units - Blocks - Flanged

                Oil Free Bushing Housing Units - Blocks / Built-in Cast Bushings

                #300 Bushing Thin Type (30B)

                #500F-SL1 Guide Bushing (FGB)

                CAD
                • 2D
                • 2D / 3D
                • 2D
                • 2D / 3D
                • 2D / 3D
                • 2D
                • 2D
                Days to Ship 1 Day(s) or more 1 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 10 Day(s) or more
                TypeStraight/sleeveStraight/sleeve / Flanged TypeFlanged TypeFlange-Mount TypeHousing Unit TypeStraight/sleeveStraight/sleeve
                RoHS Information-------
                Inner Dia. d(Ø)5 ~ 1006 ~ 305 ~ 608 ~ 308 ~ 305 ~ 2030 ~ 120
                Features, Areas of Application-------
                Outer Dia. D(Ø)8 ~ 12510 ~ 388 ~ 7515 ~ 4512 ~ 387 ~ 2450 ~ 140
                Overall Length L(mm)5 ~ 1206 ~ 605 ~ 8020 ~ 7015 ~ 1005 ~ 3050 ~ 180
                Metal TypeCast IronCast IronCast IronCast IronCast IronCast IronCast Iron
                EnvironmentStandard-Standard--StandardStandard
                Resin Type-------
                Multi-layer-------
                Case Shape-------
                Mounting Shaft Fith7-h7--h7js6
                Mounting Hole FitsH7-H7--H7H7
                LubricationRegular Lubrication-Regular Lubrication--Regular LubricationUnlubricated / Regular Lubrication
                Thickness t(mm)-------
                Max. Allowable Surface Pressure P(N/mm2)1051055105
                Case Material----Steel--
                Max. Allowable Velocity V(m/s)10.1510.150.1510.15
                Length TypeSingle-Single-Single / DoubleSingleSingle
                Max. Allowable PV Value Range(N/mm2・m/s)1.1~2.00.3~1.01.1~2.00.3~1.00.3~1.01.1~2.00.3~1.0
                Max. Allowable PV Value(N/mm2•m/s)1.250.51.250.50.51.250.5

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