| Bore diameter | d | 45 | mm |
| Width | B | 12 | mm |
| Basic static load rating, radial | C0r | 5,600 | |
| Limiting speed for grease lubrication | nG Grease | 26,000 |
| Outside diameter | D | 68 | mm |
| Basic dynamic load rating, radial | Cr | 9,100 | |
| Fatigue load limit, radial | Cur | 600 | N |
| Limiting speed for oil lubrication | nG Oil | 40,000 |
| Diameter shaft shoulder | da | 50 | mm |
| Shoulder diameter outer ring | Da | 63.50 | mm |
| Maximum recess radius | ra max | 0.15 | mm |
| Maximum diameter injection pitch | Etk max | 54.70 | mm |
| Diameter shaft shoulder clearance | da | h12 | |
| Shoulder diameter outer ring clearance | Da | H12 | |
| Minimum diameter injection pitch | Etk min | 51.90 | mm |
| Distance between the apexes of the pressure cones | a | 19.20 | mm |
| Minimum chamfer dimension | rmin | 0.60 | mm |
| Contact angle | α | 25 | ° |
| Manufacturer | Part Number |
|---|---|
| SKF | 71909ACEGA/P4A |
| SNFA | HB45-7CE3-UL |
| KOYO | ACH909CAGLFTP4 |
| SKF | 71909DBGA/P7 |
