| Width | B | 108 | mm |
| Height | T | 86 | mm |
| Diameter | D | 40 | mm |
| length | L | 32 | mm |
| Width across flats | W | 6 | mm |
| Mounting dimension | JB | 22 | mm |
| Upper tolerance | Tol A5 | +0,15 |
| Size thread fixing screws above | K5 | M10 | |
| Lower tolerance | Tol H2 | -0,15 | |
| Tolerance | ±0,2 |
| Manufacturer | Part Number |
|---|---|
| Igus | WAS-40 |
| Thomson | SB M40 |
| Nippon Bearing | SH 40 A |
| Korb | SLW 40 |
| Dr-Tretter | WB55 040 |
| Rodriguez | WBAS 40 |
| Rodriguez | WBS 40 |
