central SLAVING
by double sprocket

Tooth number :      Pitch :

Deported bearing
dimensionally stable

... when the sprocket's hub prevents the bearing's seat

Timing pulley 34 tooth - pitch 8mm for belt HT D8

d	D x 2					I
	* 50x2	* 60x2	50x5	60x5	89x3
15	X	X				20
20			X	X	X	30

* Possibility of friction rollers
(settling by female threaded spindle).