The cylindrical roller bearing NU309EJ (often designated as NU309ECJ or similar suffix variants by different manufacturers) measures 45 mm × 100 mm × 25 mm.
Key Dimensions & Specifications
- Inner Diameter (Bore): 45 mm
- Outer Diameter: 100 mm
- Width (Thickness): 25 mm
- Cage Material: Typically stamped steel (represented by 'J').
- Bearing Design: NU design, meaning it features two integral flanges on the outer ring and no flanges on the inner ring, allowing for axial displacement in both directions