DDR-1980ZZ NMB 8 MM ID X 19 MM OD X 6 MM W Stainless Steel Radial Bearing [OF46]
You will find that the 1641-2RS fits snugly and aligns well with common shafts.
DDR-1980ZZ NMB 8 MM ID X 19 MM OD X 6 MM W Stainless Steel Radial Bearing – USA
Manufactured by NMB Technologies Corporation. The NMB Numbering System is explained below P25 – Radial Play of 0.0002″ to 0.0005″. 1980 – 19MM OD, 8MM ID. D – 400 Series Martensitic Stainless Steel Ring Material.