NU308-C5
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What NU308-C5 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) |
3 |
Diameter series | Diameter series 3 (medium) |
08 |
Bore | Bore code 08 × 5 = 40 mm |
C5 |
Internal clearance | C5: radial internal clearance greater than C4 |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
NU308-C5 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 40 mm | 1.5748 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 90 mm | 3.5433 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 23 mm | 0.9055 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 | C5 (greater than C4) | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
NU308-C5 is a cylindrical roller bearing, 40 mm bore × 90 mm OD × 23 mm wide (1.5748 × 3.5433 × 0.9055 in). It has C5 internal clearance.
The NU308-C5 is a single-row cylindrical roller bearing with dimensions of 40mm bore, 90mm outside diameter, and 23mm width. This bearing features a C5 radial internal clearance, which is greater than C4 and provides increased clearance for applications with thermal expansion or shaft deflection requirements.
