The NU312J (often listed as NU 312 ECJ, NU312, or NU312J) is a single-row metric cylindrical roller bearing.
Key Dimensions
- Bore Diameter (d): 60 mm
- Outside Diameter (D): 130 mm
- Width (B): 31 mm
Bearing Attributes & Specifications
- Design: NU type indicates the outer ring has two integral flanges and the inner ring has no flanges.
- Cage: The "J" (or ECJ) designation refers to a pressed steel cage that is roller-centered.
- Separable Design: The inner ring can be fully removed from the outer assembly, which simplifies mounting and dismounting procedures.
- Axial Displacement: The flange design accommodates axial displacement in both directions