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Oil Free Bushings(Resin Type:PTFE (Polytetrafluoroethylene))

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
  • Standard/Pilot/Center-Flanged Type
  • Housing Unit Type
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Brand
Product Series
CAD
Days to Ship
Type
Inner Dia. d(Ø)
Outer Dia. D(Ø)
Overall Length L(mm)
Metal Type
Environment
Resin Type
Multi-layer
Case Shape
Mounting Shaft Fits
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)

    Oil Free Bushings - Straight (PTFE)

      Oil Free Bushings - Flanged (PTFE)

        Glitron F, Flange Bushing (77F)

          ARF Type Sleeve Bearing with Flange

            ARE/AR Type Sleeve Bearing

              Glitron F Bushing (77B)

              Brand

              MISUMI

              MISUMI

              OILES

              NTN

              NTN

              OILES

              Product Series

              Oil Free Bushings - Straight (PTFE)

              Oil Free Bushings - Flanged (PTFE)

              Glitron F, Flange Bushing (77F)

              ARF Type Sleeve Bearing with Flange

              ARE/AR Type Sleeve Bearing

              Glitron F Bushing (77B)

              CAD
              • 2D / 3D
              • 2D / 3D
              • 2D
              • 2D
              Days to Ship Same day or more Same day or more Same day or more Same day or more Same day or more Same day or more
              TypeStraight/sleeveFlanged TypeFlanged TypeFlanged TypeStraight/sleeveStraight/sleeve
              Inner Dia. d(Ø)3 ~ 203 ~ 203 ~ 503 ~ 503 ~ 503 ~ 50
              Outer Dia. D(Ø)6 ~ 266 ~ 266 ~ 606 ~ 606 ~ 606 ~ 60
              Overall Length L(mm)3 ~ 303 ~ 305 ~ 505 ~ 605 ~ 503 ~ 50
              Metal Type------
              EnvironmentConformance to Food Sanitation LawConformance to Food Sanitation LawStandard / Heat Resistant / In Water / In Seawater / In ChemicalStandard / Heat Resistant / In Oil / In Water / In Seawater / In ChemicalStandard / Heat Resistant / In Oil / In Water / In Seawater / In ChemicalStandard / Heat Resistant / In Water / In Seawater / In Chemical
              Resin TypePTFE (Polytetrafluoroethylene)PTFE (Polytetrafluoroethylene)PTFE (Polytetrafluoroethylene)PTFE (Polytetrafluoroethylene)PTFE (Polytetrafluoroethylene)PTFE (Polytetrafluoroethylene)
              Multi-layer------
              Case Shape------
              Mounting Shaft Fits--h6h6h6h6
              Mounting Hole FitsH7H7H7M7M7H7
              Lubrication--UnlubricatedUnlubricatedUnlubricatedUnlubricated
              Thickness t(mm)---1.5 ~ 5--
              Max. Allowable Surface Pressure P(N/mm2)777--7
              Case Material------
              Max. Allowable Velocity V(m/s)1.651.651.65--1.65
              Length Type--SingleSingleSingleSingle
              Max. Allowable PV Value Range(N/mm2•m/s)0.3~1.00.3~1.00.3~1.00.3~1.00.3~1.00.3~1.0
              Max. Allowable PV Value(N/mm2•m/s)111111

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