SKF BT1-0591 single-row tapered roller bearing. Single-row tapered roller bearing designed to take combined heavy radial and one-direction axial load. Cone (inner ring), cup (outer ring) and rollers converge at a common apex on the bearing axis. Two bearings are always mounted in opposition. Metric dimensions per ISO 355; imperial to ANSI/ABMA 19.1.
| Type | Single-row tapered roller bearing |
| Designation | SKF BT1-0591 |
| HS code | 8482.20 |
| Bore diameter | 35 mm |
| Outside diameter | 72 mm |
| Width, total | 24.25 mm |
| Width, inner ring | 23 mm |
| Width, outer ring | 19 mm |
| Contact angle | 14 ° |
| Basic dynamic load rating | 66 kN |
| Basic static load rating | 78 kN |
| Reference speed | 7000 r/min |
| Limiting speed | 9500 r/min |
| Bearing part | Complete bearing |
| Locating feature, bearing outer ring | Without |
| Bore type | Cylindrical |
| Cage | Sheet metal |
| Arrangement of contact angle (double-row bearing) | Not applicable |
| Matched arrangement | No |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Unit system | Metric |
| Indicative carbon footprint for new product | 1.6 kg CO2e |
| Product net weight | 0.438 kg |
| eClass code | 23-05-09-10 |
| UNSPSC code | 31171516 |
| Material | As declared by SKF designation suffix |
| Temperature range | Per SKF product data |
| Primary standard | SKF designation convention |
| MOQ | 1 |
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.