| Bore diameter | d | 20 | mm |
| Distance from locking device side face to raceway centre | s1 | 18.30 | mm |
| Overall length | L | 62 | mm |
| Groove height for backseal | Ha | 6 | mm |
| Centering diameter | Dc | 52 | mm |
| Overall bearing width | B | 31 | mm |
| Flange width | A | 17 | mm |
| outer diameter inner ring | da | ≈28.2 |
| Overall unit width | T | 35 | mm |
| Diameter of attachment bolt hole | N | 11.50 | mm |
| Distance between attachment bolts | J | 90 | mm |
| Overall height | H | 119 | mm |
| Distance from locking device side face to thread centre | B4 | 4.50 | mm |
| Standout of end cover | A5 | 54.10 | mm |
| Overall width | A | 27 | mm |
