Hegner Multicut 2S, SE or Quick scroll saw HD Drivelink. Long type. 53mm replacement, see photos.
Not suitable for smaller saws such as 14" throat Multicut 1 or early Multicut 2. also not suitable for Polycut 3 models.
I offer a smaller version of this Drivelink and will be listed subject to availability.

Manufactured for increased durability, patented design.

The original plastic type will crack and fail once the bearings wear requiring a full replacement. See photos of typical failures.

This link has improved nbr shielding and if the bearings are replaced before worn will allow cost effective bearing replacement.
Note the original manufacturer part costs £53.22 new!

Hundreds sold globally.

No returns accepted, fitting this part incorrectly may cause premature failure. It is essential to check the order of components and replace any missing spacers etc.
See images to aid assembly.

item is listed elsewhere and will be withdrawn when sold.