61900 2RSJ EM Quality 10x22x6 Sealed C3 Japan Made Bearing Outer Diameter - 4.331 inch (4.331") 55mm Inner Diameter GER211-55mm Bearing

55mm Inner Diameter GER211-55mm Bearing Insert GRIP-IT 360 Degree Locking

or cleanroom setups

Perfect for skate wheels

One Needle Roller Bearing Shell Type BA85ZOH

the 6306NR inner diameter is 30mm

61900 2RSJ EM Quality 10x22x6 Sealed C3 Japan Made Bearing Outer Diameter - 4.331 inch (4.331") 55mm Inner Diameter GER211-55mm Bearing61900 2RSJ EM Nachi Bearing 10mm x 22mm x 6mm Made in Japan 61900 2RSJ EM Nachi Bearing, Made in Japan, the 61900 2RSJ EM inner diameter is 10mm, the 61900 2RSJ EM outer diameter is 22mm, 61900 2RSJ EM width is 6mm. 61900 2RSJ EM Nachi Ball Bearing Nachi Deep groove Ball Bearing Radial Clearance: C3 Closures: Double sealed rubber seals RS RS1 2RS1 Dimensions: 10mm x 22mm x 6mm Metric ID (inner diameter) Bore: 10mm OD (outer diameter): 22mm Width: 6mm