Needle Bearings

The dimensions of a NA 4908 bearing are typically as follows:

• Inner Diameter (ID): 40 mm
• Outer Diameter (OD): 62 mm
• Width (W): 22 mm

The dimensions of a NA 4909 bearing are typically as follows:

• Inner Diameter (ID): 45 mm
• Outer Diameter (OD): 68 mm
• Width (W): 22 mm

The dimensions of a NA 6912 Inner bearing are typically as follows:

• Inner Diameter (ID): 60 mm
• Outer Diameter (OD): 68 mm
• Width (W): 45 mm

The dimensions of a NA 6912 bearing are typically as follows:

• Inner Diameter (ID): 60 mm
• Outer Diameter (OD): 85 mm
• Width (W): 45 mm