... bronze parts ,such as outer eccentric bushing, inner eccentric bushing, socket liner, countershaft box bushing, step bearing plate and thrust plate ... for over 20 years. We are committed to precise materials and dimensions and superior ... other mining machinery Features:Material:Pb15Sn7/C93800Type:Symons3'Also supply symons 4',4.25',5.5',7'crusher partsISO9001 ...