Structure: Deep Groove Bore Size: 110 mm Precision Rating: P0,P6,P5,P4,P2 Place of Origin: Japan Material: GCr15 Vibration/Noise level: V1, V2, V3, V4 / Z1, Z2, Z3, Z4 Clearance: C0,C2,C3,C4,C5 Type: Ball, chair bearing Outside Diameter: 170 mm Seals Type: open, RS,2RS,ZZ Width: 25mm packing: brand original packing Quality Standard: ISO9001:2008 Brand Name: NTN Model Number: 6000ZZ Number of Row: Single Row Weight: 1.89kg Cage material: steel, brass, nylon and you need