... continuous casting machine, bearings of straightening machine, rough and finish rolling working roll bearings of large hot rolling mill, ... Property(520C, 48h ),Grade111GB/T5018Anti-wear Property(Four-ball Machine Method) (392N,60min),mm0.450.450.45SH/ ... N607660766076SH/T0202Moisture Content 20%, Extreme-Pressure Property (Four-ball method)PD Value, N490049004900SH/T0202Moisture Content20 %, Cylinder1/4 ...