Gates Heavy Duty V-Belt Drive Design Manual 14995-A

.50"
A
.50"
.31"
AX
.31"
A92
AX92
A93
AX93
A94
AX94
A95
A96
AX96
A97
AX97
A98
AX98
V-Belt No. and Center Distance
A103 A105 A110 A112
A100 AX103 AX105 AX110 AX112 A115
A120
AX120 A124
A128
AX128 A133
Sheave
Datum
Diameters
A144 A173 Small Large
A136 AX144 A158 AX173 A180 Sheave Sheave
Rated HP per Belt
(Including Allowance for Speed Ratio)
Hi-Power II
RPM of Small Sheave
1160
RPM
1750
RPM
3450
RPM
Tri-Power Molded Notch
RPM of Small Sheave
41.9 42.4 42.9 43.4 43.9 44.4 44.9 45.9 47.4 48.4 50.9 51.9 53.4 55.9 57.9 59.9 62.4 63.9 67.9 74.9 82.4 85.9 3.00 3.00 1.62 2.13 3.01 2.16 2.82 3.99
41.6 42.1 42.6 43.1 43.6 44.1 44.6 45.6 47.1 48.1 50.6 51.6 53.1 55.6 57.6 59.6 62.1 63.6 67.6 74.6 82.1 85.6 3.20 3.20 1.87 2.50 3.61 2.39 3.14 4.49
41.3 41.8 42.3 42.8 43.3 43.8 44.3 45.3 46.8 47.8 50.3 51.3 52.8 55.3 57.3 59.3 61.8 63.3 67.3 74.3 81.8 85.3 3.40 3.40 2.13 2.86 4.20 2.62 3.45 4.97
41.0 41.5 42.0 42.5 43.0 43.5 44.0 45.0 46.5 47.5 50.0 51.0 52.5 55.0 57.0 59.0 61.5 63.0 67.0 74.0 81.5 85.0 3.60 3.60 2.38 3.21 4.77 2.84 3.76 5.44
40.7 41.2 41.7 42.2 42.7 43.2 43.7 44.7 46.2 47.2 49.7 50.7 52.2 54.7 56.7 58.7 61.2 62.7 66.7 73.7 81.2 84.7 3.80 3.80 2.63 3.57 5.33 3.07 4.07 5.90
40.4 40.9 41.4 41.9 42.4 42.9 43.4 44.4 45.9 46.9 49.4 50.4 51.9 54.4 56.4 58.4 60.9 62.4 66.4 73.4 80.9 84.4 4.00 4.00 2.88 3.92 5.87 3.29 4.37 6.34
40.1 40.6 41.1 41.6 42.1 42.6 43.1 44.1 45.6 46.6 49.1 50.1 51.6 54.1 56.1 58.1 60.6 62.1 66.1 73.1 80.6 84.1 4.20 4.20 3.13 4.26 6.40 3.50 4.67 6.77
39.4 39.9 40.4 40.9 41.4 41.9 42.4 43.4 44.9 45.9 48.4 49.4 50.9 53.4 55.4 57.4 59.9 61.4 65.4 72.4 79.9 83.4 4.60 4.60 3.62 4.94 7.40 3.94 5.25 7.58
39.1 39.6 40.1 40.6 41.1 41.6 42.1 43.1 44.6 45.6 48.1 49.1 50.6 53.1 55.1 57.1 59.6 61.1 65.1 72.1 79.6 83.1 4.80 4.80 3.86 5.28 7.88 4.15 5.53 7.96
38.8 39.3 39.8 40.3 40.8 41.3 41.8 42.8 44.3 45.3 47.8 48.8 50.3 52.8 54.8 56.8 59.3 60.8 64.8 71.8 79.3 82.8 5.00 5.00 4.10 5.61 8.34 4.36 5.81 8.32
38.5 39.0 39.5 40.0 40.5 41.0 41.5 42.5 44.0 45.0 47.5 48.5 50.0 52.5 54.5 56.5 59.0 60.5 64.5 71.5 79.0 82.5 5.20 5.20 4.34 5.94 8.78 4.57 6.09 8.67
37.9 38.4 38.9 39.4 39.9 40.4 40.9 41.9 43.4 44.4 46.9 47.9 49.4 51.9 53.9 55.9 58.4 59.9 63.9 70.9 78.4 81.9 5.60 5.60 4.81 6.59 9.60 4.98 6.63 9.32
37.2 37.7 38.2 38.7 39.2 39.7 40.2 41.2 42.7 43.7 46.2 47.2 48.7 51.2 53.2 55.2 57.7 59.2 63.2 70.2 77.7 81.2 6.00 6.00 5.28 7.22 †10.30 5.38 7.16 †9.90
36.6 37.1 37.6 38.1 38.6 39.1 39.6 40.6 42.1 43.1 45.6 46.6 48.1 50.6 52.6 54.6 57.1 58.6 62.6 69.6 77.1 80.6 6.40 6.40 5.74 7.84 †11.00 5.78 7.68 †10.40
35.7 36.2 36.7 37.2 37.7 38.2 38.7 39.7 41.2 42.2 44.7 45.7 47.2 49.7 51.7 53.7 56.2 57.7 61.7 68.7 76.2 79.7 7.00 7.00 6.42 8.73 † 6.36 8.42 †
39.3 39.8 40.3 40.8 41.3 41.8 42.3 43.3 44.8 45.8 48.3 49.3 50.8 53.3 55.3 57.3 59.8 61.3 65.3 72.3 79.8 83.3 4.60 4.80 3.67 5.03 7.58 3.98 5.32 7.72
39.0 39.5 40.0 40.5 41.0 41.5 42.0 43.0 44.5 45.5 48.0 49.0 50.5 53.0 55.0 57.0 59.5 61.0 65.0 72.0 79.5 83.0 4.80 5.00 3.92 5.37 8.05 4.20 5.61 8.10
38.6 39.1 39.6 40.1 40.6 41.1 41.6 42.6 44.1 45.1 47.6 48.6 50.1 52.6 54.6 56.6 59.1 60.6 64.6 71.6 79.1 82.6 5.00 5.20 4.16 5.70 8.51 4.41 5.89 8.47
41.2 41.7 42.2 42.7 43.2 43.7 44.2 45.2 46.7 47.7 50.2 51.2 52.7 55.2 57.2 59.2 61.7 63.2 67.2 74.2 81.7 85.2 3.40 3.60 2.18 2.95 4.37 2.67 3.53 5.12
40.8 41.3 41.8 42.3 42.8 43.3 43.8 44.8 46.3 47.3 49.8 50.8 52.3 54.8 56.8 58.8 61.3 62.8 66.8 73.8 81.3 84.8 3.60 3.80 2.44 3.30 4.95 2.89 3.84 5.59
40.5 41.0 41.5 42.0 42.5 43.0 43.5 44.5 46.0 47.0 49.5 50.5 52.0 54.5 56.5 58.5 61.0 62.5 66.5 73.5 81.0 84.5 3.80 4.00 2.69 3.65 5.50 3.11 4.14 6.05
40.2 40.7 41.2 41.7 42.2 42.7 43.2 44.2 45.7 46.7 49.2 50.2 51.7 54.2 56.2 58.2 60.7 62.2 66.2 73.2 80.7 84.2 4.00 4.20 2.94 4.00 6.05 3.33 4.44 6.49
41.8 42.3 42.8 43.3 43.8 44.3 44.8 45.8 47.3 48.3 50.8 51.8 53.3 55.8 57.8 59.8 62.3 63.8 67.8 74.8 82.3 85.8 3.00 3.20 1.70 2.26 3.27 2.21 2.89 4.13
41.5 42.0 42.5 43.0 43.5 44.0 44.5 45.5 47.0 48.0 50.5 51.5 53.0 55.5 57.5 59.5 62.0 63.5 67.5 74.5 82.0 85.5 3.20 3.40 1.96 2.63 3.87 2.44 3.21 4.63
36.9 37.4 37.9 38.4 38.9 39.4 39.9 40.9 42.4 43.4 45.9 46.9 48.4 50.9 52.9 54.9 57.4 58.9 62.9 69.9 77.4 80.9 6.00 6.40 5.36 7.35 †10.60 5.43 7.24 †10.00
38.2 38.7 39.2 39.7 40.2 40.7 41.2 42.2 43.7 44.7 47.2 48.2 49.7 52.2 54.2 56.2 58.7 60.2 64.2 71.2 78.7 82.2 5.20 5.60 4.42 6.07 9.04 4.66 6.24 8.96
37.5 38.0 38.5 39.0 39.5 40.0 40.5 41.5 43.0 44.0 46.5 47.5 49.0 51.5 53.5 55.5 58.0 59.5 63.5 70.5 78.0 81.5 5.60 6.00 4.90 6.72 9.86 5.07 6.78 9.61
39.1 39.6 40.1 40.6 41.1 41.6 42.1 43.1 44.6 45.6 48.1 49.1 50.6 53.1 55.1 57.1 59.6 61.1 65.1 72.1 79.6 83.1 4.60 5.00 3.73 5.12 7.75 4.03 5.39 7.87
38.8 39.3 39.8 40.3 40.8 41.3 41.8 42.8 44.3 45.3 47.8 48.8 50.3 52.8 54.8 56.8 59.3 60.8 64.8 71.8 79.3 82.8 4.80 5.20 3.97 5.45 8.22 4.24 5.68 8.25
39.7 40.2 40.7 41.2 41.7 42.2 42.7 43.7 45.2 46.2 48.7 49.7 51.2 53.7 55.7 57.7 60.2 61.7 65.7 72.7 80.2 83.7 4.20 4.60 3.24 4.44 6.74 3.60 4.81 7.06
36.1 36.6 37.1 37.6 38.1 38.6 39.1 40.1 41.6 42.6 45.1 46.1 47.6 50.1 52.1 54.1 56.6 58.1 62.1 69.1 76.6 80.1 6.40 7.00 5.85 8.01 †11.40 5.87 7.82 †10.70
40.7 41.2 41.7 42.2 42.7 43.2 43.7 44.7 46.2 47.2 49.7 50.7 52.2 54.7 56.7 58.7 61.2 62.7 66.7 73.7 81.2 84.7 3.60 4.00 2.49 3.39 5.12 2.94 3.91 5.73
40.4 40.9 41.4 41.9 42.4 42.9 43.4 44.4 45.9 46.9 49.4 50.4 51.9 54.4 56.4 58.4 60.9 62.4 66.4 73.4 80.9 84.4 3.80 4.20 2.75 3.74 5.67 3.16 4.21 6.19
41.0 41.5 42.0 42.5 43.0 43.5 44.0 45.0 46.5 47.5 50.0 51.0 52.5 55.0 57.0 59.0 61.5 63.0 67.0 74.0 81.5 85.0 3.40 3.80 2.24 3.03 4.54 2.71 3.60 5.26
38.3 38.8 39.3 39.8 40.3 40.8 41.3 42.3 43.8 44.8 47.3 48.3 49.8 52.3 54.3 56.3 58.8 60.3 64.3 71.3 78.8 82.3 5.00 5.60 4.21 5.79 8.68 4.45 5.96 8.61
41.6 42.1 42.6 43.1 43.6 44.1 44.6 45.6 47.1 48.1 50.6 51.6 53.1 55.6 57.6 59.6 62.1 63.6 67.6 74.6 82.1 85.6 3.00 3.40 1.76 2.35 3.44 2.25 2.97 4.28
41.3 41.8 42.3 42.8 43.3 43.8 44.3 45.3 46.8 47.8 50.3 51.3 52.8 55.3 57.3 59.3 61.8 63.3 67.3 74.3 81.8 85.3 3.20 3.60 2.02 2.72 4.04 2.49 3.28 4.78
39.0 39.5 40.0 40.5 41.0 41.5 42.0 43.0 44.5 45.5 48.0 49.0 50.5 53.0 55.0 57.0 59.5 61.0 65.0 72.0 79.5 83.0 4.60 5.20 3.76 5.16 7.83 4.03 5.39 7.87
39.6 40.1 40.6 41.1 41.6 42.1 42.6 43.6 45.1 46.1 48.6 49.6 51.1 53.6 55.6 57.6 60.1 61.6 65.6 72.6 80.1 83.6 4.20 4.80 3.27 4.48 6.83 3.65 4.88 7.20
39.9 40.4 40.9 41.4 41.9 42.4 42.9 43.9 45.4 46.4 48.9 49.9 51.4 53.9 55.9 57.9 60.4 61.9 65.9 72.9 80.4 83.9 4.00 4.60 3.02 4.13 6.30 3.43 4.59 6.77
37.2 37.7 38.2 38.7 39.2 39.7 40.2 41.2 42.7 43.7 46.2 47.2 48.7 51.2 53.2 55.2 57.7 59.2 63.2 70.2 77.7 81.2 5.60 6.40 4.95 6.80 10.00 5.12 6.85 9.75
37.9 38.4 38.9 39.4 39.9 40.4 40.9 41.9 43.4 44.4 46.9 47.9 49.4 51.9 53.9 55.9 58.4 59.9 63.9 70.9 78.4 81.9 5.20 6.00 4.48 6.16 9.21 4.71 6.31 9.10
40.8 41.3 41.8 42.3 42.8 43.3 43.8 44.8 46.3 47.3 49.8 50.8 52.3 54.8 56.8 58.8 61.3 62.8 66.8 73.8 81.3 84.8 3.40 4.00 2.30 3.12 4.72 2.76 3.67 5.41
40.5 41.0 41.5 42.0 42.5 43.0 43.5 44.5 46.0 47.0 49.5 50.5 52.0 54.5 56.5 58.5 61.0 62.5 66.5 73.5 81.0 84.5 3.60 4.20 2.55 3.48 5.29 2.99 3.98 5.88
38.5 39.0 39.5 40.0 40.5 41.0 41.5 42.5 44.0 45.0 47.5 48.5 50.0 52.5 54.5 56.5 59.0 60.5 64.5 71.5 79.0 82.5 4.80 5.60 4.03 5.54 8.40 4.29 5.75 8.39
36.4 36.9 37.4 37.9 38.4 38.9 39.4 40.4 41.9 42.9 45.4 46.4 47.9 50.4 52.4 54.4 56.9 58.4 62.4 69.4 76.9 80.4 6.00 7.00 5.45 7.48 †10.90 5.53 7.38 †10.30
41.2 41.7 42.2 42.7 43.2 43.7 44.2 45.2 46.7 47.7 50.2 51.2 52.7 55.2 57.2 59.2 61.7 63.2 67.2 74.2 81.7 85.2 3.20 3.80 2.05 2.76 4.13 2.53 3.36 4.92
34.7 35.2 35.7 36.2 36.7 37.2 37.7 38.7 40.2 41.2 43.7 44.7 46.2 48.7 50.7 52.7 55.2 56.7 60.7 67.7 75.2 78.7 7.00 8.20 6.59 8.99 † 6.50 8.64 †
41.5 42.0 42.5 43.0 43.5 44.0 44.5 45.5 47.0 48.0 50.5 51.5 53.0 55.5 57.5 59.5 62.0 63.5 67.5 74.5 82.0 85.5 3.00 3.60 1.79 2.40 3.52 2.30 3.04 4.42
39.4 39.9 40.4 40.9 41.4 41.9 42.4 43.4 44.9 45.9 48.4 49.4 50.9 53.4 55.4 57.4 59.9 61.4 65.4 72.4 79.9 83.4 4.20 5.00 3.30 4.52 6.92 3.65 4.88 7.20
39.7 40.2 40.7 41.2 41.7 42.2 42.7 43.7 45.2 46.2 48.7 49.7 51.2 53.7 55.7 57.7 60.2 61.7 65.7 72.7 80.2 83.7 4.00 4.80 3.05 4.18 6.39 3.43 4.59 6.77
38.0 38.5 39.0 39.5 40.0 40.5 41.0 42.0 43.5 44.5 47.0 48.0 49.5 52.0 54.0 56.0 58.5 60.0 64.0 71.0 78.5 82.0 5.00 6.00 4.27 5.87 8.85 4.50 6.03 8.76
40.1 40.6 41.1 41.6 42.1 42.6 43.1 44.1 45.6 46.6 49.1 50.1 51.6 54.1 56.1 58.1 60.6 62.1 66.1 73.1 80.6 84.1 3.80 4.60 2.80 3.83 5.85 3.21 4.29 6.33
38.6 39.1 39.6 40.1 40.6 41.1 41.6 42.6 44.1 45.1 47.6 48.6 50.1 52.6 54.6 56.6 59.1 60.6 64.6 71.6 79.1 82.6 4.60 5.60 3.79 5.21 7.92 4.13 5.54 8.15
1160
RPM
1750
RPM
3450
RPM
Hi-Power ® II
& Tri-Power ® Molded Notch
Key to correction factors:
1.1 1.2 1.3
† Rim speed higher than 7,000 feet per minute. See Page 218.
The world’s most trusted name in belts, hose and hydraulics. Page 79