| outer diameter inner ring | da | ≈51.8 | |
| Overall unit width | T | 51.70 | mm |
| Diameter of attachment bolt hole | N | 14 | mm |
| Distance between attachment bolts | J | 144 | mm |
| Overall height | H | 175 | mm |
| Distance from locking device side face to thread centre | B4 | 8 | mm |
| Standout of end cover | A5 | 33 | mm |
| Overall width | A | 37.50 | mm |
| Bore diameter | d | 40 | mm |
| Distance from locking device side face to raceway centre | s1 | 30.20 | mm |
| Overall length | L | 100 | mm |
| Groove height for backseal | Ha | 6 | mm |
| Top external diameter | Db1 | 100 | mm |
| Overall bearing width | B | 49.20 | mm |
| Flange width | A | 20 | mm |
