NTN NEEDLE BEARING RNA 4909

• Type: Needle Roller Bearing (without Inner Ring)

• Bore Diameter (d): 45 mm

• Outer Diameter (D): 68 mm

• Thickness (B): 22 mm

• Design:

  • RNA = Bearing without inner ring; the shaft acts as the raceway.

  • High number of rollers for greater load-carrying capacity.

• Features:

  • Compact radial design with excellent rigidity.

  • Handles heavy radial loads in limited space.

  • Cage-guided rollers ensure smooth, precise rotation.