Technical Data  Synchronous Belts / Belt Sprockets  Design Guide

Belt Sprockets Design

Pitch circle diameter and outer diameter

Pitch circle diameter and outer diameter

PX Belt Sprocket

Units ：mm
P2M P3M P5M
Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter 		Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter 		Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter 		Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter 		Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter 		Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter
10 6.37 5.86 81 51.57 51.06 10 9.55 8.79 81 77.35 76.59 81 128.92 127.77
11 7.00 6.49 82 52.20 51.69 11 10.50 9.74 82 78.30 77.54 82 130.51 129.37
12 7.64 7.13 83 52.84 52.33 12 11.46 10.70 83 79.26 78.50 12 19.10 17.96 83 132.10 130.96
13 8.28 7.77 84 53.48 52.97 13 12.41 11.65 84 80.21 79.45 13 20.69 19.55 84 133.69 132.55
14 8.91 8.40 85 54.11 53.60 14 13.37 12.61 85 81.17 80.41 14 22.28 21.14 85 135.28 134.14
15 9.55 9.04 86 54.75 54.24 15 14.32 13.56 86 82.12 81.36 15 23.87 22.73 86 136.87 135.73
16 10.19 9.68 87 55.39 54.88 16 15.28 14.52 87 83.08 82.32 16 25.46 24.32 87 138.46 137.32
17 10.82 10.31 88 56.02 55.51 17 16.23 15.47 88 84.03 83.27 17 27.06 25.91 88 140.06 138.91
18 11.46 10.95 89 56.66 56.15 18 17.19 16.43 89 84.99 84.23 18 28.65 27.51 89 141.65 140.51
19 12.10 11.59 90 57.30 56.79 19 18.14 17.38 90 85.94 85.18 19 30.24 29.10 90 143.24 142.10
20 12.73 12.22 91 57.93 57.42 20 19.10 18.34 91 86.90 86.14 20 31.83 30.69 91 144.83 143.69
21 13.37 12.86 92 58.57 58.06 21 20.05 19.29 92 87.85 87.09 21 33.42 32.28 92 146.42 145.28
22 14.01 13.50 93 59.21 58.70 22 21.01 20.25 93 88.81 88.05 22 35.01 33.87 93 148.01 146.87
23 14.64 14.13 94 59.84 59.33 23 21.96 21.20 94 89.76 89.00 23 36.61 35.46 94 149.61 148.46
24 15.28 14.77 95 60.48 59.97 24 22.92 22.16 95 90.72 89.96 24 38.20 37.06 95 151.20 150.06
25 15.92 15.41 96 61.12 60.61 25 23.87 23.11 96 91.67 90.91 25 39.79 38.65 96 152.79 151.65
26 16.55 16.04 97 61.75 61.24 26 24.83 24.07 97 92.63 91.87 26 41.38 40.24 97 154.38 153.24
27 17.19 16.68 98 62.39 61.88 27 25.78 25.02 98 93.58 92.82 27 42.97 41.83 98 155.97 154.83
28 17.83 17.32 99 63.03 62.52 28 26.74 25.98 99 94.54 93.78 28 44.56 43.42 99 157.56 156.42
29 18.46 17.95 100 63.66 63.15 29 27.69 26.93 100 95.49 94.73 29 46.15 45.01 100 159.15 158.01
30 19.10 18.59 101 64.30 63.79 30 28.65 27.89 101 96.45 95.69 30 47.75 46.60 101 160.75 159.60
31 19.74 19.23 102 64.94 64.43 31 29.60 28.84 102 97.40 96.64 31 49.34 48.20 102 162.34 161.20
32 20.37 19.86 103 65.57 65.06 32 30.56 29.80 103 98.36 97.60 32 50.93 49.79 103 163.93 162.79
33 21.01 20.50 104 66.21 65.70 33 31.51 30.75 104 99.31 98.55 33 52.52 51.38 104 165.52 164.38
34 21.65 21.14 105 66.85 66.34 34 32.47 31.71 105 100.27 99.51 34 54.11 52.97 105 167.11 165.97
35 22.28 21.77 106 67.48 66.97 35 33.42 32.66 106 101.22 100.46 35 55.70 54.56 106 168.70 167.56
36 22.92 22.41 107 68.12 67.61 36 34.38 33.62 107 102.18 101.42 36 57.30 56.15 107 170.30 169.15
37 23.55 23.05 108 68.75 68.25 37 35.33 34.57 108 103.13 102.37 37 58.89 57.75 108 171.89 170.75
38 24.19 23.68 109 69.39 68.88 38 36.29 35.53 109 104.09 103.33 38 60.48 59.34 109 173.48 172.34
39 24.83 24.32 110 70.03 69.52 39 37.24 36.48 110 105.04 104.28 39 62.07 60.93 110 175.07 173.93
40 25.46 24.96 111 70.66 70.16 40 38.20 37.44 111 106.00 105.24 40 63.66 62.52 111 176.66 175.52
41 26.10 25.59 112 71.30 70.79 41 39.15 38.39 112 106.95 106.19 41 65.25 64.11 112 178.25 177.11
42 26.74 26.23 113 71.94 71.43 42 40.11 39.35 113 107.91 107.15 42 66.85 65.70 113 179.85 178.70
43 27.37 26.87 114 72.57 72.07 43 41.06 40.30 114 108.86 108.10 43 68.44 67.29 114 181.44 180.29
44 28.01 27.50 115 73.21 72.70 44 42.02 41.25 115 109.82 109.05 44 70.03 68.89 115 183.03 181.89
45 28.65 28.14 116 73.85 73.34 45 42.97 42.21 116 110.77 110.01 45 71.62 70.48 116 184.62 183.48
46 29.28 28.78 117 74.48 73.98 46 43.93 43.16 117 111.73 110.96 46 73.21 72.07 117 186.21 185.07
47 29.92 29.41 118 75.12 74.61 47 44.88 44.12 118 112.68 111.92 47 74.80 73.66 118 187.80 186.66
48 30.56 30.05 119 75.76 75.25 48 45.84 45.07 119 113.64 112.87 48 76.39 75.25 119 189.39 188.25
49 31.19 30.69 120 76.39 75.89 49 46.79 46.03 120 114.59 113.83 49 77.99 76.84 120 190.99 189.84
50 31.83 31.32 121 77.03 76.52 50 47.75 46.98 121 115.55 114.78 50 79.58 78.44 121 192.58 191.44
51 32.47 31.96 122 77.67 77.16 51 48.70 47.94 122 116.50 115.74 51 81.17 80.03 122 194.17 193.03
52 33.10 32.60 123 78.30 77.80 52 49.66 48.89 123 117.46 116.69 52 82.76 81.62 123 195.76 194.62
53 33.74 33.23 124 78.94 78.43 53 50.61 49.85 124 118.41 117.65 53 84.35 83.21 124 197.35 196.21
54 34.38 33.87 125 79.58 79.07 54 51.57 50.80 125 119.37 118.60 54 85.94 84.80 125 198.94 197.80
55 35.01 34.51 126 80.21 79.71 55 52.52 51.76 126 120.32 119.56 55 87.54 86.39 126 200.54 199.39
56 35.65 35.14 127 80.85 80.34 56 53.48 52.71 127 121.28 120.51 56 89.13 87.98 127 202.13 200.98
57 36.29 35.78 128 81.49 80.98 57 54.43 53.67 128 122.23 121.47 57 90.72 89.58 128 203.72 202.58
58 36.92 36.42 129 82.12 81.62 58 55.39 54.62 129 123.19 122.42 58 92.31 91.17 129 205.31 204.17
59 37.56 37.05 130 82.76 82.25 59 56.34 55.58 130 124.14 123.38 59 93.90 92.76 130 206.90 205.76
60 38.20 37.69 131 83.40 82.89 60 57.30 56.53 131 125.10 124.33 60 95.49 94.35 131 208.49 207.35
61 38.83 38.33 132 84.03 83.53 61 58.25 57.49 132 126.05 125.29 61 97.08 95.94 132 210.08 208.94
62 39.47 38.96 133 84.67 84.16 62 59.21 58.44 133 127.01 126.24 62 98.68 97.53 133 211.68 210.53
63 40.11 39.60 134 85.31 84.80 63 60.16 59.40 134 127.96 127.20 63 100.27 99.13 134 213.27 212.13
64 40.74 40.24 135 85.94 85.44 64 61.12 60.35 135 128.92 128.15 64 101.86 100.72 135 214.86 213.72
65 41.38 40.87 136 86.58 86.07 65 62.07 61.31 136 129.87 129.11 65 103.45 102.31 136 216.45 215.31
66 42.02 41.51 137 87.22 86.71 66 63.03 62.26 137 130.83 130.06 66 105.04 103.90 137 218.04 216.90
67 42.65 42.15 138 87.85 87.35 67 63.98 63.22 138 131.78 131.02 67 106.63 105.49 138 219.63 218.49
68 43.29 42.78 139 88.49 87.98 68 64.94 64.17 139 132.74 131.97 68 108.23 107.08 139 221.23 220.08
69 43.93 43.42 140 89.13 88.62 69 65.89 65.13 140 133.69 132.93 69 109.82 108.67 140 222.82 221.67
70 44.56 44.06 141 89.76 89.26 70 66.85 66.08 141 134.65 133.88 70 111.41 110.27 141 224.41 223.27
71 45.20 44.69 142 90.40 89.89 71 67.80 67.04 142 135.60 134.84 71 113.00 111.86 142 226.00 224.86
72 45.84 45.33 143 91.04 90.53 72 68.75 67.99 143 136.55 135.79 72 114.59 113.45 143 227.59 226.45
73 46.47 45.97 144 91.67 91.17 73 69.71 68.95 144 137.51 136.75 73 116.18 115.04 144 229.18 228.04
74 47.11 46.60 145 92.31 91.80 74 70.66 69.90 145 138.46 137.70 74 117.77 116.63 145 230.77 229.63
75 47.75 47.24 146 92.95 92.44 75 71.62 70.86 146 139.42 138.66 75 119.37 118.22 146 232.37 231.22
76 48.38 47.88 147 93.58 93.08 76 72.57 71.81 147 140.37 139.61 76 120.96 119.82 147 233.96 232.82
77 49.02 48.51 148 94.22 93.71 77 73.53 72.77 148 141.33 140.57 77 122.55 121.41 148 235.55 234.41
78 49.66 49.15 149 94.86 94.35 78 74.48 73.72 149 142.28 141.52 78 124.14 123.00 149 237.14 236.00
79 50.29 49.78 150 95.49 94.98 79 75.44 74.68 150 143.24 142.48 79 125.73 124.59 150 238.73 237.59
80 50.93 50.42 80 76.39 75.63 80 127.32 126.18

Pitch circle diameter and outer diameter

PX Belt Sprocket

Units ：mm
P8M P14M
Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter 		Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter 		Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter 		Belt sprocket
number of tooth 		Pitch circle dia. Tip
Diameter
81 206.26 204.89 81 360.96 358.17
82 208.81 207.44 82 365.42 362.63
83 211.36 209.99 83 369.88 367.08
84 213.90 212.53 84 374.33 371.54
85 216.45 215.08 85 378.79 375.99
86 219.00 217.63 86 383.25 380.45
87 221.54 220.17 87 387.70 384.91
88 224.09 222.72 88 392.16 389.36
89 226.64 225.27 89 396.61 393.82
90 229.18 227.81 90 401.07 398.28
20 50.93 49.56 91 231.73 230.36 91 405.53 402.73
21 53.48 52.10 92 234.28 232.90 92 409.98 407.19
22 56.02 54.65 93 236.82 235.45 93 414.44 411.65
23 58.57 57.20 94 239.37 238.00 94 418.90 416.10
24 61.12 59.75 95 241.92 240.54 95 423.35 420.56
25 63.66 62.29 96 244.46 243.09 96 427.81 425.01
26 66.21 64.84 97 247.01 245.64 97 432.26 429.47
27 68.75 67.38 98 249.55 248.18 98 436.72 433.93
28 71.30 69.93 99 252.10 240.73 28 124.78 122.13 99 441.18 438.38
29 73.85 72.48 100 254.65 253.28 29 129.23 126.59 100 445.63 442.84
30 76.39 75.02 101 257.19 255.82 30 133.69 131.05 101 450.09 447.30
31 78.94 77.57 102 259.74 258.37 31 138.15 135.50 102 454.55 451.75
32 81.49 80.12 103 262.29 260.92 32 142.60 139.96 103 459.00 456.21
33 84.03 82.66 104 264.83 263.46 33 147.06 144.42 104 463.46 460.67
34 86.58 85.21 105 267.38 266.01 34 151.52 148.87 105 467.92 465.12
35 89.13 87.75 106 269.93 268.55 35 155.97 153.33 106 472.37 469.58
36 91.67 90.30 107 272.47 271.10 36 160.43 157.78 107 476.83 474.03
37 94.22 92.85 108 275.02 273.65 37 164.88 162.24 108 481.28 478.49
38 96.77 95.39 109 277.57 276.19 38 169.34 166.70 109 485.74 482.95
39 99.31 97.94 110 280.11 278.74 39 173.80 171.15 110 490.20 487.40
40 101.86 100.49 111 282.66 281.29 40 178.25 175.61 111 494.65 491.86
41 104.41 103.03 112 285.21 283.83 41 182.71 180.02 112 499.11 496.32
42 106.95 105.58 113 287.75 286.38 42 187.17 184.47 113 503.57 500.77
43 109.50 108.13 114 290.30 288.93 43 191.62 188.93 114 508.02 505.23
44 112.05 110.67 115 292.85 291.47 44 196.08 193.38 115 512.48 509.68
45 114.59 113.22 116 295.39 294.02 45 200.54 197.84 116 516.94 514.14
46 117.14 115.77 117 297.94 296.57 46 204.99 202.30 117 521.39 518.60
47 119.68 118.31 118 300.48 299.11 47 209.45 206.75 118 525.85 523.05
48 122.23 120.86 119 303.03 301.66 48 213.90 211.21 119 530.30 527.51
49 124.78 123.41 120 305.58 304.21 49 218.36 215.67 120 534.76 531.97
50 127.32 125.95 121 308.12 306.75 50 222.82 220.12 121 539.22 536.42
51 129.87 128.50 122 310.67 309.30 51 227.27 224.53 122 543.67 540.88
52 132.42 131.04 123 313.22 311.84 52 231.73 228.99 123 548.13 545.34
53 134.96 133.59 124 315.76 314.39 53 236.19 233.44 124 552.59 549.79
54 137.51 136.14 125 318.31 316.94 54 240.64 237.90 125 557.04 554.25
55 140.06 138.68 126 320.86 319.48 55 245.10 242.35 126 561.50 558.70
56 142.60 141.23 127 323.40 322.03 56 249.55 246.81 127 565.95 563.16
57 145.15 143.78 128 325.95 324.58 57 254.01 251.27 128 570.41 567.62
58 147.70 146.32 129 328.50 327.12 58 258.47 255.72 129 574.87 572.07
59 150.24 148.87 130 331.04 329.67 59 262.92 260.18 130 579.32 576.53
60 152.79 151.42 131 333.59 332.22 60 267.38 264.64 131 583.78 580.99
61 155.34 153.96 132 336.14 334.76 61 271.84 269.09 132 588.24 585.44
62 157.88 156.51 133 338.68 337.31 62 276.29 273.55 133 592.69 589.90
63 160.43 159.06 134 341.23 339.86 63 280.75 278.01 134 597.15 594.36
64 162.97 161.60 135 343.77 342.40 64 285.21 282.46 135 601.61 598.81
65 165.52 164.15 136 346.32 344.95 65 289.66 286.92 136 606.06 603.27
66 168.07 166.70 137 348.87 347.50 66 294.12 291.37 137 610.52 607.72
67 170.61 169.24 138 351.41 350.04 67 298.57 295.83 138 614.97 612.18
68 173.16 171.79 139 353.96 352.59 68 303.03 300.29 139 619.43 616.64
69 175.71 174.34 140 356.51 355.14 69 307.49 304.74 140 623.89 621.09
70 178.25 176.88 141 359.05 357.68 70 311.94 309.15 141 628.34 625.55
71 180.80 179.43 142 361.60 360.23 71 316.40 313.61 142 632.80 630.01
72 183.35 181.97 143 364.15 362.77 72 320.86 318.06 143 637.26 634.46
73 185.89 184.52 144 366.69 365.32 73 325.31 322.52 144 641.71 638.92
74 188.44 187.07 145 369.24 367.87 74 329.77 326.98 145 646.17 643.38
75 190.99 189.61 146 371.89 370.41 75 334.23 331.43 146 650.63 647.83
76 193.53 192.16 147 374.33 372.96 76 338.68 335.89 147 655.08 652.29
77 196.08 194.71 148 374.88 375.51 77 343.14 340.34 148 659.54 656.74
78 198.63 197.25 149 379.43 378.05 78 347.59 344.80 149 663.99 661.20
79 201.17 199.80 150 381.97 380.60 79 352.05 349.26 150 668.45 665.66
80 203.72 202.35 80 356.51 353.71