Tapered roller bearing
30205 Bearing Dimensions
30205 tapered roller bearing: 25 mm bore, 52 mm OD, 16.25 mm width (ISO 355). Cone 15 mm, cup 13 mm, designation, size-equivalent codes. Quote.
30205 specifications
| Bore d | 25 mm |
|---|---|
| Outside diameter D | 52 mm |
| Total width T | 16.25 mm — assembled width of cup and cone |
| Seal / shield options | Open (cup and cone, no seals) |
| Material | GCr15 chrome bearing steel (rings and rolling elements) |
| Precision | P0 (standard); P6 on request |
| Radial clearance | Set during mounting (adjustable, not a C-class value) |
| Load ratings | Load ratings available on request for the specific batch and manufacturer. |
How to read the 30205 designation
| Segment | Meaning |
|---|---|
| 3 | Single row tapered roller bearing (metric, ISO 355) |
| 02 | Dimension series 02 |
| 05 | Bore code 05 → 25 mm bore. ISO bore code (00–03 = 10/12/15/17 mm; 04 and above = code × 5 mm). |
30205 interchange by brand
30205 is an ISO designation. The boundary dimensions are identical across manufacturers; only suffixes (seals, clearance, cage) differ.
| SKF | NSK | NTN | FAG | Timken | Note |
|---|---|---|---|---|---|
| 30205 | 30205 | 30205 | 30205 | 30205 | Same ISO designation |
Typical applications
- Vehicle wheel hubs and axles
- Gearboxes and reducers
- Agricultural machinery
- Conveyor pulleys
FAQ
Is 30205 the same size across brands?
Yes. 30205 is an ISO designation, so the bore, outside diameter and width are the same whichever manufacturer made it. Brand-specific suffixes only change details such as seals, clearance or cage.
Where are the load ratings for 30205?
Dynamic and static load ratings differ by manufacturer and batch, so they are not published on this page. Load ratings available on request for the specific batch and manufacturer.