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Number of Row: Double Row; Internal clearance codes: C0; Brand Name: OEM; Bearing Material: Chrome steel; Lubrication: Oil,Grease; Quality Standard: ISO9001,SGS; Precision Rating: P0 P5 P6; Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram; Structure: Self-Aligning; Model Number: 2318k; Model..