Slewing ring QNA720.25Z for Komatsu excavators PC60-6 seires With high quality With best prices Brand: FY excavator slewing bearing QNA720.25Z 1.Diameter from 720mm to 805mm 2.Annual production:50000pcs 3.More than 20 years experiences High quality Slewing Ring QNA720.25Z for Komatsu excavators PC60-6 series
... roller bearing Metric needle roller bearing: HK,BK,F,FH,FY,MF,MFH,MFY; TA..Z,TLA..Z,TAM,TLAM,YT ... --drawn cup caged full needle roller bearing with open end2.FY,YT--drawn cup caged full needle roller bearing with open ...
... ,Y2 250VTemperature Cofficient:±10% for B (Y5P), +30to-80% for FY (Y5V)Dissipation Factor (tan δ):B: 2.5% max. at 20 ... 1 KHz, 1±0.2Vrms.Insulation Resistance at AT 20℃:FY: 50max. at 20℃ and 1 KHz, 1±0.2 Varms ...
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