IB030

 

Material

Steel ( DIN-St12|ASTM-A366/A366M-97|JIS-SPCC ) +
Bronze ( DIN-CuPb10Sn10|SAE-797|JIS-LBC3 ) + 
Graphite

Bronze Hardness 70HB-100HB

Introduction
Bimetallic bearings(CuPb10Sn10/graphite), made of low carbon steel as base material, are produced by the process of being sintered tin bronze CuPb10Sn10 powder as layer and rolled diamond oil pockets on the surface of alloy layer for storing graphite. They are widely used in the applications of automotive, truck, hydraulic transmission and engineering machinery due to the advantages of low friction coefficient, good self-lubricating and good load capacity.

Usage

dry

  good

oil lubricated

  good

grease lubricated

  very good

water lubricated

  good

process fluid lubricated

  good

 

Physical and Mechanical Properties

max. operating temperature Tmax-greased

  +150

max. operating temperature Tmax-oil lubricated

  +250

min. operating temperature Tmin

  -40

max. static load Psta,max

  300 N/mm

max. dynamic load Pdyn,max

  140 N/mm

max. sliding speed v-greased

  2.5 m/s

max. PV factor-greased

  2.8 N/mm2·m/s

coefficient of friction f-greased

  0.05-0.12

coefficient of friction f-oil lubricated

  0.04-0.12

shaft surface finish Ra

  0.8 µm

shaft hardness-normal

  200HB

shaft hardness-for service life2000 hours

  350HB

 

 

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