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Oil Free Bushings(Inner Dia. d:08)

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
  • Tool/Accessory For Lubrication-Free Bushings
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Brand
Product Series
Days to Ship
Type
Metal Type
Resin Type
Multi-layer
Environment
Inner Dia. d(Ø)
Outer Dia. D(Ø)
Overall Length L(mm)
Max. Allowable PV Value Range(N/mm2•m/s)
Max. Allowable PV Value(N/mm2•m/s)
Max. Allowable Surface Pressure P(N/mm2)
Max. Allowable Velocity V(m/s)
Case Shape
Case Material
Length Type
Mounting Shaft Fits
Mounting Hole Fits
Thickness t(mm)
Lubrication

    Sintered Oil Retaining Bearing Bearphite

    Brand

    NTN

    Product Series

    Sintered Oil Retaining Bearing Bearphite

    Days to Ship 11 Day(s) or more
    TypeStraight/sleeve / Standard/Pilot/Center-Flanged Type
    Metal TypeBrass
    Resin Type-
    Multi-layer-
    EnvironmentStandard
    Inner Dia. d(Ø)8
    Outer Dia. D(Ø)12
    Overall Length L(mm)6 ~ 12
    Max. Allowable PV Value Range(N/mm2•m/s)1.1~2.0
    Max. Allowable PV Value(N/mm2•m/s)0.83
    Max. Allowable Surface Pressure P(N/mm2)7
    Max. Allowable Velocity V(m/s)1.83
    Case Shape-
    Case Material-
    Length TypeSingle
    Mounting Shaft Fits-
    Mounting Hole Fits-
    Thickness t(mm)2
    LubricationUnlubricated

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