NJ208-C4
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What NJ208-C4 means
| Code | Position | Meaning |
|---|---|---|
NJ |
Type | Cylindrical roller bearing, type NJ: two flanges on the outer ring, one on the inner ring (locates in one direction) |
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.
NJ208-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 | |
NJ208-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 NJ208-C4 is a single-row cylindrical roller bearing with a 40mm bore, 80mm outside diameter, and 18mm width. This NJ-type bearing features a separable design with the outer ring and roller assembly removable from the inner ring, facilitating mounting and dismounting. The C4 radial internal clearance provides greater operating clearance than standard, making it suitable for applications with thermal expansion or misalignment concerns.
