Choose the exact products yourself
CUSTOM / 08 MAX
Custom Comparison
Search a designation, choose up to eight exact suffix variants, and build your own side-by-side technical table.
Build your own set
Choose exact variants
For an automatic one-result-per-brand view, use Same-model Comparison. This page is for deliberate manual selection.
Auto-compare BK0306 by brand →Model matches
Select products
The first result per loaded brand is preselected. Choose up to eight exact variants and update the table.
Technical comparison
2 products side by side
A dash means that the loaded manufacturer source did not provide that field. It does not mean the feature is absent.
| Parameter | SKFBK 0306 TNDrawn cup needle roller bearing with a closed end | KOYOBK0306Needle roller bearings |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | KOYO |
| Designation | BK 0306 TN | BK0306 |
| Product family | Needle roller bearings | Drawn cup needle roller bearings / Metric series, caged |
| Detailed type | Drawn cup needle roller bearing with a closed end | Needle roller bearings |
| Outside diameterD | 6.5 mm | 6.5 mm |
| WidthB | 6 mm | — |
| Basic dynamic load ratingC | 1.23 kN | 1.2 kN |
| Basic static load ratingC0 | 0.88 kN | 0.78 kN |
| Fatigue load limitPu | 0.088 kN | 0.13 kN |
| Reference speednref | 24000 r/min | — |
| Limiting speednG | 26000 r/min | 30000 r/min |
| Mass≈m | 0.001 kg | 0.001 kg |
| Sealing | Without | — |
| Cage | Non-metallic | — |
| Bearing material | Bearing steel | — |
| Lubricant | None | — |
| Classification | ||
| Official Category Path | — | Needle roller bearings - Drawn cup needle roller bearings - Metric series, caged |
| Official Classification 1 | — | Needle roller bearings / Drawn cup needle roller bearings / Metric series, caged |
| Dimensions | ||
| Bore diameter of needle roller complement | 3.0 mm | — |
| Engineering — Dimensions | ||
| Diameter under rollersF w | 3 mm | — |
| Depth of the drawn cup BKC 1 | min. 5.2 mm | — |
| Chamfer dimension drawn cup (outer ring)r | min. 0.3 mm | — |
| Logistics | ||
| Product net weight | 0.001 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Official Class Key | — | 090-020-010 |
| Product identity | ||
| Official product category | Needle roller bearings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/drawn-cup-needle-roller-bearings | — |
| Structure group ID | BND_001 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Properties | ||
| Bearing part | Bearing without inner ring | — |
| Number of rows | 1 | — |
| Outer ring type | Drawn cup with one closed end | — |
| Aligning feature | Without | — |
| Number of flanges, outer ring | 2 | — |
| Tolerance class | Normal | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Indicative carbon footprint for new product | 0.004 kg CO 2 e | — |
| Technical Data | ||
| Fw | — | 3 mm |
| D | — | 6.5 mm |
| C | — | 6 mm |
| C3(Min.) | — | 5.20 mm |
| R(Min.) | — | 0.30 mm |
| Basic Load Ratings : Cr | — | 1.20 kN |
| Basic Load Ratings : C0R | — | 0.78 kN |
| Fatigue Load Limit : Cu | — | 0.130 kN |
| Limiting Speeds(Grease Lub.) | — | 30000 min-1 |
| Limiting Speeds(Oil Lub.) | — | 46000 min-1 |
| Mass(Refer.) | — | 0.001 kg |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.