NTN BEARING 6909 DD

• Type: Single Row Deep Groove Ball Bearing (Double Shielded Type)

• Bore Diameter (d): 45 mm

• Outer Diameter (D): 68 mm

• Width (B): 12 mm

• Designation Meaning:

  • DD = Double metal shields on both sides → provide protection against dust and contaminants while retaining grease

  • 69 Series = Thin-section series designed for compact, high-speed applications

• Load Capacity: Supports moderate radial loads and light axial loads in both directions