Material for Engine Bearing

1.Steel back material:
1)Steel Plate: SPCC-10 or SPHC ST37-2G
2).Chemical composition
C Mn P S Al Si Cu
<=0.12 0.18-0.50 <=0.04 <=0.05 <=0.02 <=0.1 <=0.1
3).Hardness: HRB80-95

2. AlSn20Cu
1). Chemical composition
Al Sn Cu Ni Sb impurity
Balance 17.5-22.5 0.7-1.30 <=0.1 <=0.25 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Mn<0.1)
2).Hardness: HV 30-40

3. AlSn6Cu
1). Chemical composition
Al Sn Cu Ni Sb impurity
Balance 5.5-7.0 0.7-1.30 <=1.3 <=0.25 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Mn<0.1)

4. CuPb24Sn4
1). Chemical composition
Cu Pb Sn Zn P impurity
Balance 19-27 3.0-4.5 <=0.5 <=0.1 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Sb<0.1)

5. CuPb24Sn
1). Chemical composition
Cu Pb Sn Zn P impurity
Balance 19-27 0.6-2.0 <=0.5 <=0.1 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Sb<0.1)

6. CuPb10Sn10
1). Chemical composition
Cu Pb Sn Zn P impurity
Balance 9-11 9-11 <=0.5 <=0.1 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Sb<0.1)

7. CuPb30
1). Chemical compositon
Cu Pb Sn Zn P impurity
Balance 26-33 <=0.5 <=0.5 <=0.1 <=0.1
(Fe<0.25 Si<0.7 Ti<0.1 Sb<0.1)

We can adjust the chemical composition as customer's special requirement.

Material for engine bearings strictly according to Standard ISO/DIS4383.

Material for Engine Bearing
Pb free bearing material is newly developed and on sale now.