Product parameters

Bearing Information

• Part Number Q55TAC03AT85
• NSK Number 55TAC03AT85
• ConstructionSingle Row

Overall Dimensions

• Bore Dia (d) 55mm
• Outer Dia (D) 120mm
• Width (B) 29mm
• Outer diameter of Inner Ring (d1) 67.1mm
• Outer diameter of Inner Ring (d2) 82.7mm
• Inner diameter of Outer Ring (D1) 92.3mm
• Inner diameter of Outer Ring (D2) 110.1mm

Load Rating & Rotate Speed

• Dynamic Load Rating (Cr)-Single Row 160KN
• Dynamic Load Rating (Cr)-Double Row 263KN
• Dynamic Load Rating (Cr)-Triple Row 362KN
• Axial Load Limiting (Cor)-Single Row 123KN
• Axial Load Limiting (Cor)-Double Row 246KN
• Axial Load Limiting (Cor)-Triple Row 386KN
• Max speed (grease) 3300rpm

Other parameters

• Contact Angle α 50°
• Ring MaterialBearing steel
• Ball MaterialBearing steel
• Temperature Range-30° to 120 ℃
• ABEC RatingP4,P2
• Quality ControlISO 9001