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Special High Strength Brass Graphite Bushing Brass Oiles Self Lubricating Bronze Bearing

Categories Graphite Bronze Bearing
Model Number: JDB-10S
Description: Speical high tensile brass oilless Bearing
Material: CuZn25Al6Fe3Mn3+Graphite
Lubrication: graphite lubricated,maintentance-free
Feature: Special High Load, High hardness
Application: Plastic Injection Machine
Avalibility: Cylindrical Oiles bearing, Flanged bronze graphite bearing
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Special High Strength Brass Graphite Bushing Brass Oiles Self Lubricating Bronze Bearing


JDB-10S Special High Strength Brass Oiles Bronze Graphite Self Lubricating Bearing


JDB-10S graphite plugged oilless bronze bearing is made of centifugal casting special high strength brass with graphite filled. The hardness of base material can be more than HB250.This type of self-lubricating bearing is also called #500 oilless bearing,brass oiles bearing,cooper sliding bushing,solid lubricant filled sliding bearing,500 oilless guide bushing and graphite filled bearing.


Material



CuZn25Al6Fe3Mn3+Graphite

PTFE or SL4 lubricant can be made based on requirement


Base Bronze Material Details


CuZn25Al6Fe3Mn3 Material Chemical Composition
%Cu%Pb%Sn%Zn%Fe%Ni%Al%Mn%
Min.60.000.000.0022.002.000.005.002.50
Max.66.000.200.2028.004.001.007.505.00

Characteristics



  • Improves the hardness of brass base materail
  • Due to the high hardness and difficulty in processing, it is not recommended to use if the load is not particularly high.

Availability



  • Cylindrical oiles bushing, flanged oiles bushing, thrust washer and slide plate are standard fabrication.
  • Special designs and material can be made according to your design.

Application



JDB-10S High strength bronze graphite oiles bearing is widely used in Continuous casting mill,Mining machinery,Engineering machinery,Injection molding machinery.


Technical Data



Material

CuZn25Al6Fe3Mn3

Density

8

HB Hardness

≥250

Tensile Strength MPa

≥800

Yield Strength MPa

≥450

Elongation %

≥8

Thermal Expansion Coefficient

1.9x10*%/°C

Max. Operation Temp.

-40~+300°C

Max. load MPa

75

Max. speed m/s(Dry)

0.1

Max. speed m/s(Lubricated)

0.25

Max. PV (N/mm² *m/s)(Dry)

1.65

Max. PV (N/mm² *m/s)(Lubricated)

3.25


Bronze Base Material International Code



Common nameInternational Code
StandardChinaGermanyJapanEuropeanBritishItalyAmerican
GB1176-87DINJIS(EN 1982)BS 1400JMASTM(UNS)
Manganese bronzeZCuZn25Al5Mn4Fe3CuZn25Al5CAC304/HBsC4HTB2JM-18C86300(SAE430B)
Nickel-Aluminum BronzeCuAl10Ni5Fe5G-CuAl10NiAlBC3CB333GAB2JM7-15C95500
Leaded bronze / Gun MetalZCuSn5Pb5Zn5CuSn5ZnPbBC6 /BC6CCC491K / CB491KLG2JM1-15C83600(ASTM B 505)
Leaded bronze / Gun MetalZCuSn7Zn4Pb7G-CuSn7ZnPb,RG-7CC493KLG2JM-1C93200(SAE660)
Tin BronzeZCuSn12G-CuSn12CAC503BCC483K /CB483KPB2JM3-15C90800(ASTM B 427)
High leaded tin bronzeZCuSn10Pb10CuSn10Pb10-CCC495K / CB495KLB2JM-15C93700 / SAE64
High leaded tin bronzeCuSn7Pb15CuSn7Pb15-CCC496KAB2JM-4C93800

Mouting Suggestion



  • Housing – Ø: Mounting bevel, min. 1,5 mm x 15-45°

  • Shaft Material:Hardened steel, surface roughness < Rz 6,3

  • Shaft: Mounting bevel, 5 mm x 15°, edges rounded

  • Force fitting mandrel: The application of an adequate force fitting mandrel is advisable. Grease lubrication of the outer surface may be necessary when mounting.


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