| Overall unit width | T | 52.20 | mm |
| Diameter of attachment bolt hole | N | 16 | mm |
| Distance between attachment bolts | J | 105 | mm |
| Distance from locking device side face to thread centre | B4 | 8 | mm |
| Standout of end cover | A5 | 26.50 | mm |
| Overall width | A | 38 | mm |
| Bore diameter | d | 45 | mm |
| Distance from locking device side face to raceway centre | s1 | 30.20 | mm |
| Overall length | L | 137 | mm |
| Top external diameter | Db1 | 108 | mm |
| Overall bearing width | B | 49.20 | mm |
| Flange width | A | 16 | mm |
| outer diameter inner ring | da | ≈57.3 |
