NU208-C4
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What NU208-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) |
08 |
Bore | Bore code 08 × 5 = 40 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.
NU208-C4 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 40 mm | 1.5748 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 80 mm | 3.1496 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 18 mm | 0.7087 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 | |
NU208-C4 is a cylindrical roller bearing, 40 mm bore × 80 mm OD × 18 mm wide (1.5748 × 3.1496 × 0.7087 in). It has C4 internal clearance.
The NU208-C4 is a single-row cylindrical roller bearing with dimensions of 40mm bore, 80mm outside diameter, and 18mm width. This NU-series design features high radial load capacity and allows axial displacement of the shaft relative to the housing. The C4 designation indicates a radial internal clearance greater than C3, suitable for applications with thermal expansion or interference fit requirements.
