Spur gears
Case hardened steel, hardened, ground
Disc straight toothed
2 (29)
3 (23)
4 (12)
16 (1)
18 (2)
20 (6)
22 (8)
25 (9)
28 (10)
32 (10)
36 (6)
40 (8)
45 (2)
50 (2)
1.7131 (64)
case hardened steel 16MnCr5 (64)
straight toothed (64)
hardness of teeth ~60 HRC (64)
28 (52)
40 (12)
No (64)