30315
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What 30315 means
| Code | Position | Meaning |
|---|---|---|
3 |
Type | Tapered roller bearing (metric) |
0 |
Width series | Width series 0 |
3 |
Diameter series | Diameter series 3 (medium) |
15 |
Bore | Bore code 15 × 5 = 75 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
30315 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 75 mm | 2.9528 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 160 mm | 6.2992 in | Maker's catalogue (PEER Bearing), confirmed by supplier data |
| Width, assembled (T) | 40 mm | 1.5748 in | Maker's catalogue (PEER Bearing), confirmed by supplier data |
| 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 | 30315M | Timken Interchange Guide |
Equivalents are dimensional and closure-for-closure: same bore, outside diameter, width, seals or shields and internal clearance. Bearing interchange tables
30315 is a tapered roller bearing (metric, ISO 355), 75 mm bore × 160 mm OD × 40 mm wide (2.9528 × 6.2992 × 1.5748 in). Published interchange tables list it as equivalent to TIMKEN 30315M.
The 30315 is a metric tapered roller bearing conforming to ISO 355 standards, featuring a 75mm bore diameter. This single-row design uses tapered raceways and rollers to handle combined radial and axial loads efficiently.
