30230
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What 30230 means
| Code | Position | Meaning |
|---|---|---|
3 |
Type | Tapered roller bearing (metric) |
0 |
Width series | Width series 0 |
2 |
Diameter series | Diameter series 2 (light) |
30 |
Bore | Bore code 30 × 5 = 150 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
30230 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 150 mm | 5.9055 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 270 mm | 10.6299 in | Supplier catalogue listing |
| Width, assembled (T) | 49 mm | 1.9291 in | Supplier catalogue listing |
| Bearing type | Tapered roller bearing (metric, ISO 355) | Stated by the designation | |
| Seals / shields | Open (no seals or shields) | 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 | 30230M | Timken Interchange Guide |
Equivalents are dimensional and closure-for-closure: same bore, outside diameter, width, seals or shields and internal clearance. Bearing interchange tables
30230 is a tapered roller bearing (metric, ISO 355), 150 mm bore × 270 mm OD × 49 mm wide (5.9055 × 10.6299 × 1.9291 in). Published interchange tables list it as equivalent to TIMKEN 30230M.
The 30230 is a metric tapered roller bearing conforming to ISO 355 standards, featuring a 150mm bore diameter. This single-row design uses tapered raceways and rollers to handle combined radial and axial loads efficiently.
