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Plain & Self-Lubricating Bearings(Mounting Shaft Fits:h7)

Technical Information【PLAIN SELF LUBRICATING BEARINGS】
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
  • Shouldered
  • Flanged
  • Pillow Block
  • Open Type
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Brand
Product Series
CAD
Days to Ship
Type
Metallic
Bushing Material
I.D. d(mm)
I.D. d(inch)
O.D. D(mm)
O.D. D(inch)
Overall Length L(mm)
Overall Length L(inch)
Maximum Allowable PV Value Range(N/mm2•m/s)
Maximum Allowable PV Value(N/mm2•m/s)
Max. Allowable Surface Pressure P(N/mm2)
Max. Allowable Velocity V(m/s)
Housing Style
Housing Material
Length Type
Mounting Shaft Fits
Mounting Hole Fits
Thickness T(mm)
Lubrication Condition
Environment
  • On Sale Till 07/03/2025

Bushing 80 - Polyacetal, straight, series 80B.

  • On Sale Till 07/03/2025

3000 Oiles Bushings - Straight, cast iron, series 30B.

  • On Sale Till 07/03/2025

Drymet ST Bushings - Polyacetal, multilayer, 70B series.

  • On Sale Till 07/03/2025

Toughmet bushings - Straight, multilayer, TMB series.

  • On Sale Till 07/03/2025

Cermet M Bushings - Straight, sintered with solid lubricant, Series 54B.

  • On Sale Till 07/03/2025

3000 Oiles Bushings - With shoulder, cast iron, series 30F.

  • On Sale Till 07/03/2025

Bushing 80 - Polyacetal, with shoulder, Series 80F.

    3000 Oiles Bushings - Straight thin-walled, cast iron, 30B-T series.

    Brand

    Oiles

    Oiles

    Oiles

    Oiles

    Oiles

    Oiles

    Oiles

    Oiles

    Product Series

    Bushing 80 - Polyacetal, straight, series 80B.

    3000 Oiles Bushings - Straight, cast iron, series 30B.【1-10 Pieces Per Package】

    Drymet ST Bushings - Polyacetal, multilayer, 70B series.

    Toughmet bushings - Straight, multilayer, TMB series.

    Cermet M Bushings - Straight, sintered with solid lubricant, Series 54B.

    3000 Oiles Bushings - With shoulder, cast iron, series 30F.

    Bushing 80 - Polyacetal, with shoulder, Series 80F.

    3000 Oiles Bushings - Straight thin-walled, cast iron, 30B-T series.

    CAD
    • 2D
    • 2D
    • 2D
    • 2D
    • 2D
    • 2D
    • 2D
    • 2D
    Days to Ship Same day or more

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    Same day or more

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    Same day or more

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    Same day or more

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    Same day or more

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    TypeStraightStraightStraightStraightStraightShoulderedShoulderedStraight
    Metallic--------
    Bushing Material-Cast Iron-Graphite Impregnated Brass / Sintered Bronze with PTFE-Cast Iron-Cast Iron
    I.D. d(mm)2 ~ 505 ~ 1005 ~ 1605 ~ 1003 ~ 305 ~ 602 ~ 505 ~ 20
    I.D. d(inch)--------
    O.D. D(mm)4 ~ 558 ~ 1257 ~ 1657 ~ 1056 ~ 408 ~ 754 ~ 557 ~ 24
    O.D. D(inch)--------
    Overall Length L(mm)2 ~ 505 ~ 804 ~ 1255 ~ 803 ~ 405 ~ 802 ~ 505 ~ 30
    Overall Length L(inch)--------
    Maximum Allowable PV Value Range(N/mm2•m/s)2.1 to 5.01.1 to 2.02.1 to 5.01.1 to 2.01.1 to 2.01.1 to 2.02.1 to 5.01.1 to 2.0
    Maximum Allowable PV Value(N/mm2•m/s)2.451.253.251.651.651.252.451.25
    Max. Allowable Surface Pressure P(N/mm2)17.51024.524.5101017.510
    Max. Allowable Velocity V(m/s)0.8511.150.40.8510.851
    Housing Style--------
    Housing Material--------
    Length TypeSingleSingleSingleSingleSingleSingleSingleSingle
    Mounting Shaft Fitsh7h7h7h7h7h7h7h7
    Mounting Hole FitsH7H7H7H7H7H7H7H7
    Thickness T(mm)--------
    Lubrication ConditionUnlubricatedRegular LubricationUnlubricatedUnlubricatedUnlubricatedRegular LubricationUnlubricatedRegular Lubrication
    EnvironmentStandardStandardStandard / In OilStandard / Heat Resistant / In OilStandardStandardStandardStandard

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    Application example related to this category

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