PTI Bearing Catalog - Norfolkbearings.com

Metric Spur Gear with Hub
Module 2.5
20° Pressure Angle
Straight Tooth
Part No: M2.5B27
H
d D Dp De
M2.5 = Module Size
B = Hub Type or A = Plate Type
27 = Number of Teeth
Material: C45 E Steel
Module h (mm) H (mm)
1 15 25
1.5 17 30
2 20 35
2.5 25 40
3 30 50
4 40 60
5 50 75
6 60 80
8 65 95
Hub Type
h
Plate Type
Note: Finished bores on request. All Dimensions in
mm. Torque Ratings based on Permissable Fatigue
Strength and Flank Pressure.
D
h
Dp
De
Teeth
Hub Type
Part No.
Plate Type
De
mm
Module 2.5
Dp
mm
d
mm
D
mm
Max
Torque
Nm
12 M2.5B12 — 35.0 30.0 22 10 5.9 0.17
13 M2.5B13 — 37.5 32.5 25 10 6.7 0.21
14 M2.5B14 — 40.0 35.0 28 10 7.6 0.25
15 M2.5B15 — 42.5 37.5 30 10 8.3 0.30
16 M2.5B16 — 45.0 40.0 32 12 8.9 0.33
17 M2.5B17 — 47.5 42.5 35 12 9.2 0.38
18 M2.5B18 — 50.0 45.0 35 12 10.4 0.42
19 M2.5B19 — 52.5 47.5 35 12 11.9 0.45
20 M2.5B20 — 55.0 50.0 40 14 13..4 0.54
21 M2.5B21 — 57.5 52.5 40 14 15.1 0.56
22 M2.5B22 — 60.0 55.0 45 14 16.9 0.66
23 M2.5B23 — 62.5 57.5 45 14 18.7 0.70
24 M2.5B24 — 65.0 60.0 45 14 20.8 0.74
25 M2.5B25 — 67.5 62.5 50 14 22.8 0.85
26 M2.5B26 — 70.0 65.0 50 14 25.0 0.90
27 M2.5B27 — 72.5 67.5 50 14 27.3 0.95
28 M2.5B28 — 75.0 70.0 50 14 29.6 1.00
29 M2.5B29 — 77.5 72.5 50 14 32.7 1.06
30 M2.5B30 — 80.0 75.0 55 16 34.9 1.18
31 M2.5B31 — 82.5 77.5 55 16 37.5 1.22
32 M2.5B32 — 85.0 80.0 55 16 40.6 1.28
33 M2.5B33 — 87.5 82.5 55 16 43.8 1.34
34 M2.5B34 — 90.0 85.0 55 16 46.7 1.41
35 M2.5B35 — 92.5 87.5 60 16 50.2 1.54
36 M2.5B36 — 95.0 90.0 60 16 53.3 1.61
37 M2.5B37 — 97.5 92.5 60 16 54.9 1.68
38 M2.5B38 — 100.0 95.0 60 16 60.8 1.75
39 M2.5B39 — 102.5 97.5 60 16 65.3 1.83
40 M2.5B40 — 105.0 100.0 70 20 71.2 2.06
41 M2.5B41 — 107.5 102.5 70 20 77.4 2.14
42 M2.5B42 — 110.0 105.0 70 20 82.2 2.22
43 M2.5B43 — 112.5 107.5 70 20 92.4 2.30
44 M2.5B44 — 115.0 110.0 70 20 96.6 2.38
45 M2.5B45 — 117.5 112.5 70 20 100.0 2.47
46 M2.5B46 — 120.0 115.0 70 20 107.0 2.52
47 M2.5B47 — 122.5 117.5 80 20 114.0 2.80
48 M2.5B48 — 125.0 120.0 80 20 120.0 2.88
49 M2.5B49 — 127.5 122.5 80 20 128.0 2.98
50 M2.5B50 — 130.0 125.0 80 20 135.0 3.07
51 M2.5B51 — 132.5 127.5 80 20 143.0 3.17
52 M2.5B52 — 135.0 130.0 90 20 149.0 3.48
53 M2.5B53 — 137.5 132.5 90 20 156.0 3.58
54 M2.5B54 — 140.0 135.0 90 20 165.0 3.68
55 M2.5B55 — 142.5 137.5 90 20 173.0 3.78
56 M2.5B56 — 145.0 140.0 100 20 181.0 4.13
57 M2.5B57 — 147.5 142.5 100 20 190.0 4.23
58 M2.5B58 — 150.0 145.0 100 20 199.0 4.34
59 M2.5B59 — 152.5 147.5 100 20 208.0 4.46
60 M2.5B60 — 155.0 150.0 100 20 217.0 4.57
62 M2.5B62 — 160.0 155.0 100 20 240.0 4.59
63 M2.5B63 — 162.5 157.5 100 20 260.0 4.60
65 M2.5B65 M2.5A65 167.5 162.5 100 20 286.0 3.99
67 M2.5B67 — 172.5 167.5 100 20 295.0 4.61
70 M2.5B70 M2.5A70 180.0 175.0 100 20 324.0 4.64
72 — M2.5A72 185.0 180.0 — 20 332.0 4.91
75 — M2.5A75 192.5 187.5 — 20 338.0 5.33
76 — M2.5A76 195.0 190.0 — 20 340.0 5.48
80 — M2.5A80 205.0 200.0 — 25 342.0 6.04
85 — M2.5A85 217.5 212.5 — 25 346.0 6.84
90 — M2.5A90 230.0 225.0 — 25 348.0 7.68
95 — M2.5A95 242.5 237.5 — 25 361.0 8.57
100 — M2.5A100 255.0 250.0 — 25 378.0 9.51
110 — M2.5A110 280.0 275.0 — 25 408.0 11.53
114 — M2.5A114 290.0 285.0 — 25 419.0 12.39
120 — M2.5A120 305.0 300.0 — 25 438.0 13.74
127 — M2.5A127 322.2 317.5 — 25 453.0 15.40
379 P.T. International Corp.
Wt.
kg