Bilang isang propesyonal na Taper Roller Bearings 30312 30310 na tagagawa, kami ay malakas na lakas at kumpletong pamamahala. UMZ bearing Application :Materyal:chrome steel(GCr15),carbon steel(GCr11) Uri ng Steel:bukas,Z,ZZ,RS,2RS,2RZAccurancy lever:ABEC-1,ABEC-3,ABEC-5Vibration level codes:V1,V2 ,V3Clearance:C2,C0,C3,C4,C5
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