48 Manual BBB4_ENG_01_2016_991301
Pinion
Gear
Table 40. BBB4 Ratios
BBB4BevelGearingToothCount
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
4A10,4A11
4A12,4A14
4B12,4B14,
4B16
4C14,4C16,
4C17
4D16 4D17,4D18 4E17,4E18,4E19 4F18,4F19
3.2 10 32 998BBB-4A--BG 998BBB-4B--BG 998BBB-4C--BG 998BBB-4D16BG 998BBB-4D17BG 998BBB-4E--BG 998BBB-4F--BG
3.5 10 35 998BBB-2A---G 998BBB-2B---G 998BBB-2C---G 998BBB-2D---G 998BBB-2D17-G 998BBB-2E---G 998BBB-4F--AG
BevelGearingPartsandToothCount
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.
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
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
BevelGearingPartsandToothCount
Todeterminethebeveltoothcount,identifytheBBB4nominalratioandcorrespondingbevelratiofromTable36.
Then reference Table 37 to identify the actual number of bevel gear and pinion teeth.
Table 41. Bevel Tooth Count and Part Numbers
Note: [1] Planetary Input