Data sheet


Wieland-U17 for bushings to bear the piston pin in very highly stressed steel pistons and connecting rods for diesel engines. For heavily loaded spherical bearings in mechanical engineering and vehicle construction.

Composition (standard values)

Al      10%
Ni      5 %
Fe      4 %
Cu     balance


Material designation

Wieland              U17
DIN                     17665 : 1983


Max. load

Oscillating bearing over 150 MPa


Types available

Machined bushings



Corrosion resistance

Highly resistant to standard lubricants, including lube
oil, and to environmental impacts.

Density [g/cm3]7.6
Coefficient of thermal expansion (20 - 300 °C) [10-6/K]16.6
Thermal conductivity [W/m*K]63
Modulus of elasticity (20 °C) [GPa]120
Hardness [HB/HRB]170/89
Tensile strength Rm [MPa]700
0.2 %-proof stress Rp0.2 [MPa]460
Elongation A5 [%]10


1 MPa = 1 N/mm2

Steffen Schimanek
Head of Sales – Slide Bearings