30310
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeCouldn't load pickup availability
Image is for illustration purposes only.
What 30310 means
| Code | Position | Meaning |
|---|---|---|
3 |
Type | Tapered roller bearing (metric) |
0 |
Width series | Width series 0 |
3 |
Diameter series | Diameter series 3 (medium) |
10 |
Bore | Bore code 10 × 5 = 50 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
30310 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 50 mm | 1.9685 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 110 mm | 4.3307 in | Maker's catalogue (PEER Bearing), confirmed by supplier data |
| Width, assembled (T) | 29.25 mm | 1.1516 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 | 30310 we stock this | Timken Interchange Guide |
Also listed in manufacturer interchange tables (2): confirm suffix codes before ordering
- TIMKEN 30310A (Timken Interchange Guide)
- FAG 30310A (Timken Interchange Guide)
These carry maker-specific suffix codes (cage, lubrication groove, design) that we have not matched one-for-one. The size is the same; check the codes against your application.
Equivalents are dimensional and closure-for-closure: same bore, outside diameter, width, seals or shields and internal clearance. Bearing interchange tables
30310 is a tapered roller bearing (metric, ISO 355), 50 mm bore × 110 mm OD × 29.25 mm wide (1.9685 × 4.3307 × 1.1516 in). Published interchange tables list it as equivalent to TIMKEN 30310.
