30305J
Tier-one manufacturer — brand supplied may vary ✓ Verified against manufacturer sourcesCouldn't load pickup availability
Image is for illustration purposes only.
What 30305J means
| Code | Position | Meaning |
|---|---|---|
3 |
Type | Tapered roller bearing (metric) |
0 |
Width series | Width series 0 |
3 |
Diameter series | Diameter series 3 (medium) |
05 |
Bore | Bore code 05 × 5 = 25 mm |
J |
Cage | Pressed steel cage |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
30305J specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 25 mm | 0.9843 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 62 mm | 2.4409 in | Maker's catalogue (PEER Bearing), confirmed by supplier data |
| Width, assembled (T) | 18.25 mm | 0.7185 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 | |
| Cage | Pressed steel cage | 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 |
|---|---|---|
| SKF | 30305 | Timken Interchange Guide |
| TIMKEN | 30305 | Timken Interchange Guide |
Also listed in manufacturer interchange tables (1): confirm suffix codes before ordering
- FAG 30305A (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
30305J is a tapered roller bearing (metric, ISO 355), 25 mm bore × 62 mm OD × 18.25 mm wide (0.9843 × 2.4409 × 0.7185 in). It has a pressed steel cage. Published interchange tables list it as equivalent to SKF 30305, TIMKEN 30305.
The 30305J is a metric tapered roller bearing conforming to ISO 355 standards, featuring a 25 mm bore diameter and belonging to the 303 series. Tapered roller bearings use conical rolling elements between inner and outer ring raceways to handle combined radial and axial loads.
Bore/Inner Diameter Inch: 0.984
Bore/Inner Diameter mm: 25
