6309 2RSJ EM Quality 45x100x25 Sealed C3 Japan Made Bearing6309 2RSJ EM Nachi Bearing 45mm x 100mm x 25mm Made in Japan 6309 2RSJ EM Nachi Bearing, Made in Japan, the 6309 2RSJ EM inner diameter is 45mm, the 6309 2RSJ EM outer diameter is 100mm, 6309 2RSJ EM width is 25mm. 6309 2RSJ EM Nachi Ball Bearing Nachi Deep Groove Ball Bearing Radial Clearance: C3 Closures: Double sealed rubber seals RS RS1 2RS1 Equal: 6309 RS 6309 2RS Dimensions: 45mm x 100mm x 25mm Metric ID (inner diameter) Bore: 45mm OD (outer