30306J
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What 30306J means
| Code | Position | Meaning |
|---|---|---|
3 |
Type | Tapered roller bearing (metric) |
0 |
Width series | Width series 0 |
3 |
Diameter series | Diameter series 3 (medium) |
06 |
Bore | Bore code 06 × 5 = 30 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.
30306J 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 | Maker's catalogue (PEER Bearing), confirmed by supplier data |
| Width, assembled (T) | 20.75 mm | 0.8169 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 | 30306 | Timken Interchange Guide |
| TIMKEN | 30306M | Timken Interchange Guide |
Also listed in manufacturer interchange tables (2): confirm suffix codes before ordering
- SKF 30306J2 (Timken Interchange Guide)
- FAG 30306A (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
30306J is a tapered roller bearing (metric, ISO 355), 30 mm bore × 72 mm OD × 20.75 mm wide (1.1811 × 2.8346 × 0.8169 in). It has a pressed steel cage. Published interchange tables list it as equivalent to SKF 30306, TIMKEN 30306M.
The 30306J is a tapered roller bearing with a 30 mm bore diameter, conforming to ISO 355 metric standards. Tapered roller bearings use conical raceways and tapered rollers to support combined radial and axial loads, with load capacity increasing proportionally to bearing size.
Outside Diameter Inch: 2.835
Outside Diameter mm: 72
