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Core part of piston pump
31CrMoV9 Steel bar / Forge piece
Dimention: Φ82mm - Φ157mm
-Flatness：0.01mm -Contour：0.04 mm
-Roughness：Ra 0.2 -Runout：0.05
SF Oilless Bearing Group Co., LTD.
Service Hotline:
No. 18 North Hongwei Road, Jiashan County, Jiaxing City, Zhejiang Province
