| Bore diameter | d | 45 | mm |
| Height | T | 20 | mm |
| Basic static load rating, axial | C0a | 265,000 | |
| Limiting speed | nG | 4,900 |
| Outside diameter | D | 73 | mm |
| Basic dynamic load rating, axial | Ca | 105,000 | |
| Fatigue load limit, axial | Cua | 23,700 | |
| Reference speed | nϑr | 1,820 |
| Minimum diameter shaft shoulder | da min | 70 | mm |
| Maximum recess radius | ra max | 1 | mm |
| Maximum diameter of housing shoulder | Da max | 48 | mm |
| Rip diameter shaft washer | d1 | 73 | mm |
| Minimum chamfer dimension | rmin | 1 | mm |
| Manufacturer | Part Number |
|---|---|
| NTN | 81209 |
| SKF | 81209 |
| NADELLA | AR 812 09 + CPR 812 09 |
| IKO | AZ457320 |
| SKF | 81209-TN (SKF) |
