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Torich 20CrNiMo GCr15 OD114mm Bearing Automotive Steel Tubes Brief introduction: Size: OD: 5-114mm WT: 1-14mm Material: GCr15(52100,SUJ2,SUJ3,100Cr6, SKF3S), 20CrNiMo(8620H,4118H) SKF,30Cr13 Feature: ...