- Shaft Diameter4.0000 - 3.9978
- Housing Diameter4.1858 - 4.1872
- Installed Bearing ID4.0002 - 4.0068
- Length3 1/2
Products Available Online
Due to high demand, please Contact National Precision Bearing for specific inventory and lead time details.
National Precision Bearing Part series 64NU56 is a potential replacement for these common bearing part numbers: