Maximum diameter: 2 meters. Maximum weight: 4 tons. Centrifugally cast, CNC machined.
Materials
Alloy
Cu%
Pb%
Sn%
Zn%
σb (MPa)
HB
Application
C93800
78–82
13–17
6–8
≤0.8
220
60–70
Eccentric bushings, thrust washers
C93700
78–82
8–11
9–11
≤0.8
240
65–75
Socket liners, countershaft bushings
CuPb15Sn7
balance
13–17
7–9
—
220
60–70
Heavy-duty bushings, water-lubricated
CuPb20Sn5
balance
18–23
4–6
—
180
45–55
High-speed sliding bearings
Manufacturing
Centrifugal casting — dense grain structure, porosity under 0.5%. CNC bored to ±0.02 mm tolerance. Oil grooves, lubrication holes, and bolt patterns machined per print. Custom to your drawing or reverse-engineered from a sample.
Applications
Cone crusher eccentric bushings and socket liners (Metso, Sandvik, Symons, Minyu, Telsmith). Gyratory crusher bottom shell bushings and spider bushings. Mill trunnion bearings. Large industrial plain bearings for radial and axial loads.
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