NJ306
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What NJ306 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) |
3 |
Diameter series | Diameter series 3 (medium) |
06 |
Bore | Bore code 06 × 5 = 30 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
NJ306 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 30 mm | 1.1811 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 72 mm | 2.8346 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 19 mm | 0.748 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 | Normal (CN): no clearance code in the designation | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
Equivalent to / interchanges with
| Brand | Part number | Basis |
|---|---|---|
| TIMKEN | NJ306 | Timken Interchange Guide |
Equivalents are dimensional and closure-for-closure: same bore, outside diameter, width, seals or shields and internal clearance. Bearing interchange tables
NJ306 is a cylindrical roller bearing, 30 mm bore × 72 mm OD × 19 mm wide (1.1811 × 2.8346 × 0.748 in). Published interchange tables list it as equivalent to TIMKEN NJ306.
The NJ306 is a cylindrical roller bearing with a 30mm bore diameter, 72mm outside diameter, and 19mm width. This single-row bearing features high radial load capacity and allows axial displacement of the shaft relative to the housing in one direction.
