NU212-C4
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What NU212-C4 means
| Code | Position | Meaning |
|---|---|---|
NU |
Type | Cylindrical roller bearing, type NU: two flanges on the outer ring, none on the inner ring (inner ring can float axially) |
2 |
Diameter series | Diameter series 2 (light) |
12 |
Bore | Bore code 12 × 5 = 60 mm |
C4 |
Internal clearance | C4: radial internal clearance greater than C3 |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
NU212-C4 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 60 mm | 2.3622 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 110 mm | 4.3307 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 22 mm | 0.8661 in | ISO table for this designation, confirmed by supplier data |
| Bearing type | Cylindrical roller bearing | Stated by the designation | |
| Seals / shields | Open (no seals or shields) | Stated by the designation | |
| Internal clearance | C4 (greater than C3) | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
NU212-C4 is a cylindrical roller bearing, 60 mm bore × 110 mm OD × 22 mm wide (2.3622 × 4.3307 × 0.8661 in). It has C4 internal clearance.
The NU212-C4 is a single-row cylindrical roller bearing with a 60mm bore diameter, 110mm outside diameter, and 22mm width. This NU-type bearing features a separable design with flanges on the outer ring, allowing free axial displacement of the shaft relative to the housing. The C4 internal clearance provides greater radial clearance than standard or C3, suitable for applications with thermal expansion or interference fit requirements.
