Bimetallic Bearing Bush

BiMetal plain cylindrical bushings Diameter Range : 15 to 130 mm


Bimetallic bearing material, is a high quality cold rolled steel plate as the matrix, the surface sintering CuPb10Sn10 copper and lead alloy as the bearing surface material, and can be used according to the working conditions in the alloy layer surface processing of various types of oil groove, oil hole or oil hole, by rolling made of sliding bearing.
This kind of bearing not only has high fatigue strength, bearing capacity and impact resistance, but also has good corrosion resistance. It is suitable for medium-high speed under medium load, and for occasions with large impact load.

Metal, Bimetal & Steel Bearings Sliding Bearing Material

CuPb10Sn CuPb30
Pb(%) Fe(%) Ni(%) Zn(%) Cu(%) Pb(%) Fe(%)  P(%) Mn(%) Cu(%)
8.0-11.0 ≦0.25 ≦1.5 ≦2.0 78.0-87.0 27.0~33.0 ≦≤0.5 ≦0.08 ≦0.3 62.5-72.5
(Tensile strength)σb (MPa) ≥220 CuPb24Sn4
(The yield strength)σ (MPa) ≥140 Pb(%) Sn(%)  p(%) Mn(%) Cu(%)
(Elongation) δ5 (%) ≥5 19~27 3~5 ≦0.08 ≦0.3 67~77
(hardness) ≥70HBW (hardness) 45~80HBW
CuSn6Zn6Pb3 AISn20Cu
Sn(%) Zn(%) Pb(%) The magazine(%) Cu(%) Al(%) Sn(%) Cu(%) Fe(%) Other magazines(%)
5~7 5~7 2~4 ≦1 82~88 rest 17.5~22.5 0.7~1.3 ≦0.4 ≤0.5
(Ultimate dynamic load:) 60N/mm2 (hardness) ≥34~36HBS
(Friction coefficient:) <0.15
(hardness) ≥80~100HBW
Cu(%) Sn(%) P(%) other(%)
rest 6~7 0.1~0.25 ≦0.5
(hardness) 60-90HBW


  • High load capacity
  • Works well even in difficult conditions
  • Good lubrication properties because of lubrication indents
  • Wide range of temperature

Type of applications

  • Forest machines
  • Agriculture machines
  • Hydraulic cylinders
  • Hoisting equipment


  • Cylindrical bearings
  • Flanged bearings
  • Thrust washers
  • Plates
  • Drawing details
  • Several possible sliding layer materials

Technical information on the data sheet.

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