Change Gears GA20,14-1/2° Pressure Angle ,Boston Gears Distributer

Change Gears GA20,14-1/2° Pressure Angle ,Boston Gears Distributer

Change Gears GA20,14-1/2° Pressure Angle ,Boston Gears ,No. of Teeth:20;Pitch Dia.1

We are a gearbox and related accessories supplier that sells a wide range of gearbox,couplings,gears,bearings,oil seals and so on.And we can accept small orders. Please contact us if necessary.

sales@gear-worm-reducer.com

https://gear-worm-reducer.com

Change Gears GA20

Change Gears
20 Diametral Pitch (Steel & Cast Iron)
14-1/2° Pressure Angle (will not operate with 20° spurs)

20 1.000 GA20 10038 71 3.550 GA71B 10842
21 1.050 GA21 10040 72 3.600 GA72B 10844
22 1.100 GA22 10042 73 3.650 GA73B 10846
23 1.150 GA23 10044 74 3.700 GA74B 10848
24 1.200 GA24 10046 75 3.750 1.56 GA75B 10850
25 1.250 GA25 10048 76 3.800 GA76B 10852
26        1.300                 GA26      10050          77 3.850 GA77B 10854
27        1.350                 GA27      10052          78 3.900 GA78B 10856
28        1.400                 GA28      10054          79 3.950 GA79B 10858
80 4.000 GA80B 10860
81 4.050 GA81B 10862
82 4.100 GA82B 10864
83 4.150 GA83B 10866
84 4.200 GA84B 10868
85 4.250 GA85B 10870
86 4.300 GA86B 10872
87 4.350 GA87B 10874
88 4.400 GA88B 10876
89 4.450 GA89B 10878
90 4.500 GA90B 10880
91 4.550 GA91B 10882
92 4.600 GA92B 10884
93 4.650 GA93B 10886
94 4.700 GA94B 10888
95 4.750 GA95B 10890
96 4.800 GA96B 10892
97 4.850 GA97B 10894
98 4.900 1.69 GA98B 10896
99 4.950 GA99B 10898
100 5.000 GA100B 10900
101 5.050 GA101B 10902
102 5.100 GA102B 10904

16 Diametral Pitch (Steel & Cast Iron)

No. of Teeth Pitch Dia. Hub Dia. Catalog Number Item Code No. of Teeth Pitch Dia. Hub Dia. Catalog Number Item Code
16
DIAMETRAL PITCH
Outside Dia. = Pitch Dia. +.125”
STEEL CAST IRON
20
21
22
23
24
1.250
1.313
1.375
1.438
1.500
GB20 GB21 GB22 GB23 GB24 10100
10102
10104
10106
10108
76
77
78
79
80
4.750
4.813
4.875
4.938
5.000
1.81 GB76B GB77B GB78B GB79B GB80B 11012
11014
11016
11018
11020
25
26
27
28
29
1.563
1.625
1.688
1.750
1.813
GB25 GB26 GB27 GB28 GB29 10110
10112
10114
10116
10118
81
82
83
84
85
5.063
5.125
5.188
5.250
5.313
GB81B GB82A GB83A GB84A GB85A 11022
11024
11026
11028
11030
30
31
32
33
34
1.875
1.938
2.000
2.063
2.125
GB30 GB31 GB32 GB33 GB34 10120
10122
10124
10126
10128
86
87
88
89
90
5.375
5.438
5.500
5.563
5.625
GB86A GB87A GB88A GB89A GB90A 11032
11034
11036
11038
11040
35
36
37
38
39
40
2.188
2.250
2.313
2.375
2.438
2.500
GB35 GB36 GB37 GB38 GB39 GB40 10130
10132
10134
10136
10138
10140
91
92
93
94
95
5.688
5.750
5.813
5.875
5.938
GB91A GB92A GB93A GB94A GB95A 11042
11044
11046
11048
11050
96
97
98
99
100
6.000
6.063
6.125
6.188
6.250
GB96A GB97A GB98A GB99A GB100A 11052
11054
11056
11058
11060
CAST IRON
41
42
43
44
45
2.563
2.625
2.688
2.750
2.913
1.56 GB41B GB42B GB43B GB44B GB45B 10942
10944
10946
10948
10950
101
102
103
104
105
6.313
6.375
6.438
6.500
6.563
GB101A GB102A GB103A GB104A GB105A 11062
11064
11066
11068
11070
46
47
48
49
50
2.875
2.938
3.000
3.063
3.125
GB46B GB47B GB48B GB49B GB50B 10952
10954
10956
10958
10960
106
107
108
109
110
6.625
6.688
6.750
6.913
6.975
GB106A GB107A GB108A GB109A GB110A 11072
11074
11076
11078
11080
51
52
53
54
55
3.188
3.250
3.313
3.375
3.438
GB51B GB52B GB53B GB54B GB55B 10962
10964
10966
10968
10970
111
112
113
114
115
6.938
7.000
7.063
7.125
7.188
1.81 GB111A
GB112A GB113A GB114A GB115A
11082
11084
11086
11088
11090
56
57
58
59
60
3.500
3.563
3.625
3.688
3.750
GB56B GB57B GB58B GB59B GB60B 10972
10974
10976
10978
10980
116
117
118
119
120
7.250
7.313
7.375
7.438
7.500
GB116A GB117A GB118A GB119A GB120A 11092
11094
11096
11098
11100
61
62
63
64
65
3.813
3.875
3.938
4.000
4.063
GB61B GB62B GB63B GB64B GB65B 10982
10984
10986
10988
10990
121
122
123
124
125
7.563
7.625
7.688
7.750
7.813
GB121A GB122A GB123A GB124A GB125A 11102
11104
11106
11108
11110
66
67
68
69
70
4.125
4.188
4.250
4.313
4.375
GB66B GB67B GB68B GB69B GB70B 10992
10994
10996
10998
11000
126
127
128
7.875
7.938
8.000
GB126A GB127A GB128A 11112
11114
11116
71
72
73
74
75
4.438
4.500
4.563
4.625
4.688
GB71B GB72B GB73B GB74B GB75B 11002
11004
11006
11008
11010

12 Diametral Pitch (Steel & Cast Iron)

20 1.667 GD20 10142 75 6.250 GD75A 11194
21 1.750 GD21 10144 76 6.333 GD76A 11196
22 1.833 GD22 10146 77 6.417 GD77A 11198
23 1.917 GD23 10148 78 6.500 GD78A 11200
24 2.000 GD24 10150 79 6.583 2.19 GD79A 11202
25 2.083 GD25 10152 80 6.667 GD80A 11204
26 2.167 GD26 10154 81 6.750 GD81A 11206
27 2.250 GD27 10156 82 6.833 GD82A 11208
28 2.333 –         GD28 10158 83 6.917 GD83A 11210
29 2.417 GD29 10160 84 7.000 GD84A 11212
30 2.500 GD30 10162 85 7.083 GD85A 11214
31 2.583 GD31 10164 86 7.167 GD86A 11216
32 2.667 GD32 10166 87 7.250 GD87A 11218
33 2.750 GD33 10168 88 7.333 GD88A 11220
34 2.833 GD34 10170 89 7.417 GD89A 11222
35 2.917 GD35 10172 90 7.500 GD90A 11224
36 3.000 GD36 10174 91 7.583 GD91A 11226

10 Diametral Pitch (Steel & Cast Iron)

No. of Teeth Pitch Dia. Hub Dia. Catalog Number Item Code No. of Teeth Pitch Dia. Hub Dia. Catalog Number Item Code
10
DIAMETRAL PITCH
Outside Dia. = Pitch Dia. +.200”
STEEL CAST IRON
20
21
22
23
24
2.000
2.100
2.200
2.300
2.400
GF20 GF21 GF22 GF23 GF24 10176
10178
10180
10182
10184
61
62
63
64
65
6.100
6.200
6.300
6.400
6.500
3.12 GF61A GF62A GF63A GF64A GF65A 11346
11348
11350
11352
11354
25
26
27
28
29
30
2.500
2.600
2.700
2.800
2.900
3.000
GF25 GF26 GF27 GF28 GF29 GF30 10186
10188
10190
10192
10194
10196
66
67
68
69
70
6.600
6.700
6.800
6.900
7.000
GF66A GF67A GF68A GF69A GF70A 11356
11358
11360
11362
11364
71
72
73
74
75
7.100
7.200
7.300
7.400
7.500
GF71A GF72A GF73A GF74A GF75A 11366
11368
11370
11372
11374
CAST IRON
31
32
33
34
35
3.100
3.200
3.300
3.400
3.500
1.94 GF31B GF32B GF33B GF34B GF35B 11286
11288
11290
11292
11294
76
77
78
79
80
7.600
7.700
7.800
7.900
8.000
GF76A GF77A GF78A GF79A GF80A 11376
11378
11380
11382
11384
36
37
38
39
40
41
3.600
3.700
3.800
3.900
4.000
4.100
GF36B GF37B GF38B GF39B GF40B GF41B 11296
11298
11300
11302
11304
11306
81
82
83
84
85
8.100
8.200
8.300
8.400
8.500
GF81A GF82A GF83A GF84A GF85A 11386
11388
11390
11392
11394
42
43
44
45
46
4.200
4.300
4.400
4.500
4.600
GF42B GF43B GF44B GF45B
GF46B
11308
11310
11312
11314
11316
2.68 86
87
88
89
90
8.600
8.700
8.800
8.900
9.000
GF86A GF87A GF88A GF89A GF90A 11396
11398
11400
11402
11404
47
48
49
50
51
4.700
4.800
4.900
5.000
5.100
GF47B GF48B GF49B GF50B GF51B 11318
11320
11322
11324
11326
91
92
93
94
95
9.100
9.200
9.300
9.400
9.500
GF91A GF92A GF93A GF94A GF95A 11406
11408
11410
11412
11414
52
53
54
55
56
5.200
5.300
5.400
5.500
5.600
GF52A GF53A GF54A GF55A GF56A 11328
11330
11332
11334
11336
96
97
98
99
100
9.600
9.700
9.800
9.900
10.000
GF96A GF97A GF98A GF99A GF100A 11416
11418
11420
11422
11424
3.12
57
58
59
60
5.700
5.800
5.900
6.000
GF57A GF58A GF59A GF60A 11338
11340
11342
11344

8 Diametral Pitch (Steel & Cast Iron)

No. of Teeth Pitch Dia. Hub Dia. Catalog Number Item Code No. of Teeth Pitch Dia. Hub Dia. Catalog Number Item Code
8
DIAMETRAL PITCH
Outside Dia. = Pitch Dia. +.250”
STEEL CAST IRON
20
21
22
23
24
2.500
2.625
2.750
2.875
3.000




GH20 GH21 GH22 GH23 GH24 10198
10200
10202
10204
10206
61
62
63
64
65
7.625
7.750
7.875
8.000
8.125
3.25 GH61A GH62A GH63A GH64A GH65A 11498
11500
11502
11504
11506
CAST IRON 66
67
68
69
70
8.250
8.375
8.500
8.625
8.750
GH66A GH67A GH68A GH69A GH70A 11508
11510
11512
11514
11516
25
26
27
28
29
3.125
3.250
3.375
3.500
3.625
2.06 GH25B GH26B GH27B GH28B GH29B 11426
11428
11430
11432
11434
71
72
73
74
75
8.875
9.000
9.125
9.250
9.375
GH71A GH72A GH73A GH74A GH75A 11518
11520
11522
11524
11526
30
31
32
33
34
35
3.750
3.875
4.000
4.125
4.250
4.375
GH30B GH31B GH32B GH33B GH34B GH35B 11436
11438
11440
11442
11444
11446
76
77
78
79
9.500
9.625
9.750
9.875
GH76A GH77A GH78A GH79A 11528
11530
11532
11534
36
37
38
39
4.500
4.625
4.750
4.875
2.69 GH36B GH37B GH38B GH39B 11448
11450
11452
11454
80
81
82
83
84
85
10.000
10.125
10.250
10.375
10.500
10.625
3.75 GH80A GH81A GH82A GH83A GH84A GH85A 11536
11538
11540
11542
11544
11546
40
41
42
43
44
5.000
5.125
5.250
5.375
5.500
GH40B GH41A GH42A GH43A GH44A 11456
11458
11460
11462
11464
86
87
88
89
90
10.750
10.875
11.000
11.125
11.250
GH86A GH87A GH88A GH89A GH90A 11548
11550
11552
11554
11556
45
46
47
48
49
5.625
5.750
5.875
6.000
6.125
GH45A GH46A GH47A GH48A GH49A 11466
11468
11470
11472
11474
3.12
91
92
93
94
95
11.375
11.500
11.625
11.750
11.875
GH91A GH92A GH93A GH94A GH95A 11558
11560
11562
11564
11566
50
51
52
53
54
6.250
6.375
6.500
6.625
6.750
GH50A GH51A GH52A GH53A GH54A 11476
11478
11480
11482
11484
96
97
98
99
100
12.000
12.125
12.250
12.375
12.500
GH96A GH97A GH98A GH99A GH100A 11568
11570
11572
11574
11576
55
56
57
58
59
60
6.875
7.000
7.125
7.250
7.375
7.500
GH55A GH56A GH57A GH58A GH59A GH60A 11486
11488
11490
11492
11494
11496
3.25

Change Gears GA20,14-1/2° Pressure Angle ,Boston Gears ,No. of Teeth:20;Pitch Dia.1

We are a gearbox and related accessories supplier that sells a wide range of gearbox,couplings,gears,bearings,oil seals and so on.And we can accept small orders. Please contact us if necessary.

sales@gear-worm-reducer.com

https://gear-worm-reducer.com

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