| Bore diameter | d | 20 | mm |
| Breite | B | 30 | mm |
| Shoulder diameter inner ring | d1 | ≈30.6 | |
| Distance between two snap ring grooves of the outer ring outside surface | C1 | 24,70 | mm |
| Distance outer ring side face - snap ring groove (sealed bearing) | C2 | 2,15 | mm |
| Width annular lubrication groove outer ring | b1 | 6,50 | mm |
| Chamfer dimension (sealed bearing) | r | min.0.5 |
| Außen-Ø | d2 | 42 | mm |
| Outer ring width (sealed bearing) | C | 29 | mm |
| Snap ring groove diameter at outer ring | D3 | 40,20 | mm |
| Tolerance for distance C1 | Tolerance for distance C1 | 0,20 | mm |
| Width snap ring groove outer ring | b | 1,80 | mm |
| Diameter lubrication hole (outer ring) | M | 3,50 | mm |
| chamfer dimension | rmin | min.0.3 |
