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Oil-free bushings

Quantity:
  • Oil-free bushings
  • WKT

Oil-free bushing is produced by strengthening brass that has good physical performance and good capability for casting. The surface is regularly and finely machined with sockets in which particular solid lubricant is filled

Material
CuZn25AI5Mn4Fe3
Density g/cm³
8
Hardness HB
>220
Tensile strength N/mm²
>755
Yeild strength N/mm²
>345
Elongation %
>14
Coefficient of linear expansion 10-5/℃
2.2
Heat-conducting Coefficient W(/m.k)
38~60
Flexibility Coefficient KN/mm²
100~150
Temp. Limits ℃
-40~+205
Max. Dynamic Load N/mm²
99
Max.speed m/s
Dry Lubrication  0.32
Oil Lubrication   1.1
Max.PV   N/mm²*m/s
Dry Lubrication 1.66
Oil Lubrication 3.26
Friction
Dry Lubrication  0.12~0.16
Oil Lubrication  0.03~0.08


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