Pinion
Gear
Table 35 . Cyclo® BBB4 Ratios
Figure 35 . Cyclo® BBB4 Bevel Gearing Tooth Count
Cyclo® BBB4
Nominal Ratio
Bevel
Ratio
Cyclo®
Input Ratio
11
3 .5
3
[1]
13
3 .2
4
[1]
14
3 .5
4
[1]
16
3 .2
5
[1]
18
3 .5
5
[1]
19
3 .2
6
21
3 .5
6
22
3 .2
7
25
3 .5
7
26
3 .2
8
28
3 .5
8
35
3 .2
11
39
3 .5
11
42
3 .2
13
46
3 .5
13
48
3 .2
15
53
3 .5
15
54
3 .2
17
60
3 .5
17
67
3 .2
21
74
3 .5
21
Bevel
Ratio
Number of Teeth
Bevel Gear Set Part Number
Pinion
Gear
4B12, 4B14,
4B16
4C14, 4C16,
4C17
4D16
4D17, 4D18
4E17, 4E18, 4E19
4F18, 4F19
3 .2
10
32
998BBB-4B--BG
998BBB-4C--BG
998BBB-4D16BG
998BBB-4D17BG
998BBB-4E--BG
998BBB-4F--BG
3 .5
10
35
998BBB-2B---G
998BBB-2C---G
998BBB-2D---G
998BBB-2D17-G
998BBB-2E---G
998BBB-4F--AG
Bevel Gearing Parts and Tooth Count
Bevel gear and pinions are sold in sets only . Individual components are not available for purchase . The information below regarding tooth
count of the bevel gearset is provided for vibration analysis purposes .
Cyclo® BBB4
Nominal Ratio
Bevel
Ratio
Cyclo®
Input Ratio
80
3 .2
25
88
3 .5
25
93
3 .2
29
102
3 .5
29
112
3 .2
35
123
3 .5
35
138
3 .2
43
151
3 .5
43
163
3 .2
51
179
3 .5
51
189
3 .2
59
207
3 .5
59
227
3 .2
71
249
3 .5
71
278
3 .2
87
305
3 .5
87
364
3 .5
104
417
3 .5
119
424
3 .5
121
501
3 .5
143
578
3 .5
165
683
3 .5
195
Cyclo® BBB4
Nominal Ratio
Bevel
Ratio
Cyclo®
Input Ratio
809
3 .5
231
956
3 .5
273
1117
3 .5
319
1320
3 .5
377
1656
3 .5
473
1957
3 .5
559
2272
3 .5
649
2559
3 .5
731
2944
3 .5
841
3511
3 .5
1003
4365
3 .5
1247
5177
3 .5
1479
6472
3 .5
1849
7228
3 .5
2065
8880
3 .5
2537
10658
3 .5
3045
12184
3 .5
3481
15530
3 .5
4437
17966
3 .5
5133
21620
3 .5
6177
26492
3 .5
7569
Parts,
continued
Bevel Gearing Parts and Tooth Count
To determine the bevel tooth count, identify the Cyclo® BBB4 nominal ratio and corresponding bevel ratio from Table 49 .
Then reference Table 45 to identify the actual number of bevel gear and pinion teeth .
Table 36 . Bevel Tooth Count and Part Numbers
Note:
[1] Planetary Input
