No. of Teeth	Pitch dia.	Overall dia.
19	117.3	117.1
21	129.2	130.1
23	141.2	142.0
25	153.2	154.2
27	165.2	166.6
29	177.2	179.0
31	189.3	191.3

 

All dimensions in mm.

 

 

 

 

 

 

 

No. of Teeth	Pitch dia.	Overall dia.	Hub dia.
19	117.3	117.1	57.0
21	129.2	130.1	57.0
23	141.2	142.0	68.0
25	153.2	154.2	68.0

All dimensions in mm.