The key dimensions

• the distance between the center of the rollers is 2mm (light blue)
• the gap between the mounting edge and the bottom  (roller excluded) is 69.5 mm (light orange)

Bolt shape

The shape of the sleeve flange fixing bolts are pentagonal bolts.  (8079 is the proper socket)

Marbed 8079 and 8079-A are a must to have