1–135
Ground Spiral Miter Gears - Module 2 to 5
S13S1YMK20G20L12
S13S1YMK20G20R12
S13S1YMK25G20L14
S13S1YMK25G20R14
S13S1YMK30G20L16
S13S1YMK30G20R16
S13S1YMK35G20L20
S13S1YMK35G20R20
S13S1YMK40G20L20
S13S1YMK40G20R20
S13S1YMK50G20L25
S13S1YMK50G20R25
S13S1YMK20G25L12
S13S1YMK20G25R12
S13S1YMK25G25L16
S13S1YMK25G25R16
S13S1YMK30G25L20
S13S1YMK30G25R20
S13S1YMK35G25L25
S13S1YMK35G25R25
S13S1YMK40G25L28
S13S1YMK40G25R28
S13S1YMK50G25L28
S13S1YMK50G25R28
S13S1YMK20G30L12
S13S1YMK20G30R12
S13S1YMK25G30L16
S13S1YMK25G30R16
S13S1YMK30G30L20
S13S1YMK30G30R20
S13S1YMK35G30L25
S13S1YMK35G30R25
S13S1YMK40G30L28
S13S1YMK40G30R28
P.D.
d
Bore
H7
Catalog Number*
MATERIAL: AISI 1045 Steel, Tooth Surfaces Induction Hardened to HRC 48…53
FINISH: Black Oxide, Except Ground Bore and Tooth Surfaces
2
2.5
3
3.5
4
5
2
2.5
3
3.5
4
5
2
2.5
3
3.5
4
12
14
16
20
20
25
12
16
20
25
28
28
12
16
20
25
28
d1
l1
Crown
to
Back
NOTE: R or L in catalog number indicates right- or left-hand direction of helix.
*A set of spiral miter gears must be identical in module and number of teeth, but opposite in spiral hands.
Mod.
20
25
30
40
50
60
70
80
100
50
62.5
75
87.5
100
125
60
75
90
105
120
D
42.4
52.94
63.72
74.47
84.88
105.9
52.4
65.54
78.77
91.81
104.7
130.86
62.42
78.04
93.61
109.21
124.71
S
Face
Width
10
12
15
18
20
26
12
15
20
22
25
30
12
15
20
22
25
L
Length
24.75
32.42
39.6
43.81
50.51
60.16
24.19
30.24
37.57
42.98
49.14
60.59
29.27
36.08
45.25
49.4
54.28
l
Hub
Proj.
14
19
23
25
27
30
10
12.5
15
17.5
20
25
12.5
17
20
25
25
A
Mtg.
Dist.
37
48
58
65
75
90
40
50
60
70
80
100
50
62
75
85
95
21.72
28.06
31.57
39.09
43.43
54.46
26.06
34.57
37.43
46.77
55.29
65.15
36.06
47.57
53.43
67.77
79.29
18.2
24.47
29.86
32.23
37.44
42.95
16.2
20.27
24.39
28.41
32.55
40.43
21.21
26.02
31.8
34.6
37.35
No.
of
Teeth
D1
Hub
Dia.
34
42
50
60
64
80
40
50
60
70
80
100
45
60
70
90
100
35° SPIRAL ANGLE
20° PRESSURE ANGLE
ISO CLASS 6
d1
D
P.D.
D1
d
l
l1
L
A
45°
S
G
