| Bore diameter | d | 25 | mm |
| Hight | H2 | 50 | mm |
| Basic static load rating, axial | C0a | 86,000 | |
| Basic static load rating, radial | C0r | 36,000 | |
| Fatigue load limit, radial | Cur | 5,200 | |
| Limiting speed for grease lubrication | nG Grease | 1,900 |
| Outside diameter | D | 57 | mm |
| Basic dynamic load rating, axial | Ca | 35,500 | |
| Basic dynamic load rating, radial | Cr | 22,600 | |
| Fatigue load limit, axial | Cua | 7,300 | |
| Limiting speed for oil lubrication | nG Oil | 6,000 | |
| Bearing friction torque | MRL | 0.41 | Nm |
| Maximum diameter of housing shoulder | Da max | 48 | mm |
| Minimum diameter shaft shoulder | da min | 39 | mm |
| Height outer ring over wave washer | H1 | 35 | mm |
| Rip diameter shaft washer | d1 | 47 | mm |
| Minimum chamfer dimension | rmin | 0.60 | mm |
| Width, outer ring | C | 20 | mm |
| Width, inner ring | B | 10 | mm |
| Manufacturer | Part Number |
|---|---|
| Unitec | SRB2557 |
| NADELLA | ARNB 25 57 |
| GPZ Bearings | 504705 |
| NTN | ARN2557T2 |
