Type：S2040
Pitch=25.4
Teeth Width=7.20
Roller=Dia.7.95
| Z（Teeth No.） | OD(Outside Dia.) | dm(Hub Dia.) | A(Length through bore) |
| 15 | 67 | 45 | 30 |
| 17 | 76 | 50 | 30 |
| 18 | 80 | 52 | 30 |
| 19 | 84 | 56 | 30 |
| 20 | 88 | 60 | 40 |
| 21 | 92 | 64 | 40 |
| 22 | 96 | 68 | 40 |
| 23 | 100 | 70 | 40 |
| 24 | 104 | 70 | 40 |
| 25 | 108 | 70 | 40 |
| 26 | 112 | 70 | 40 |
| 27 | 116 | 70 | 40 |
| 28 | 120 | 70 | 40 |
| 29 | 124 | 80 | 40 |
Type：S2050
Pitch=31.75
Teeth Width=8.70
Roller=Dia.10.16
| Z（Teeth No.） | OD(Outside Dia.) | dm(Hub Dia.) | A(Length through bore) |
| 15 | 84 | 57 | 40 |
| 17 | 94 | 60 | 40 |
| 18 | 100 | 70 | 40 |
| 19 | 105 | 70 | 40 |
| 20 | 110 | 75 | 45 |
| 21 | 115 | 75 | 45 |
| 22 | 120 | 80 | 45 |
| 23 | 125 | 80 | 45 |
| 24 | 130 | 80 | 45 |
| 25 | 135 | 80 | 45 |
| 26 | 140 | 85 | 45 |
| 27 | 145 | 85 | 45 |
| 28 | 150 | 90 | 45 |
| 29 | 155 | 90 | 45 |
Type：S2060
Pitch=38.1
Teeth Width=11.6
Roller=Dia.11.91
| Z（Teeth No.） | OD(Outside Dia.) | dm(Hub Dia.) | A(Length through bore) |
| 15 | 101 | 70 | 40 |
| 17 | 113 | 80 | 40 |
| 18 | 119 | 80 | 40 |
| 19 | 126 | 80 | 40 |
| 20 | 132 | 80 | 45 |
| 21 | 138 | 90 | 45 |
| 22 | 144 | 90 | 45 |
| 23 | 150 | 90 | 45 |
| 24 | 156 | 90 | 45 |
| 25 | 162 | 90 | 45 |
| 26 | 168 | 95 | 45 |
| 27 | 174 | 95 | 45 |
| 28 | 181 | 95 | 45 |
| 29 | 187 | 95 | 45 |
Type：S2080
Pitch=50.8
Teeth Width=14.6
Roller=Dia.15.875
| Z（Teeth No.） | OD(Outside Dia.) | dm(Hub Dia.) | A(Length through bore) |
| 15 | 135 | 90 | 50 |
| 17 | 151 | 100 | 50 |
| 18 | 159 | 100 | 50 |
| 19 | 167 | 100 | 50 |
| 20 | 176 | 100 | 60 |
| 21 | 184 | 100 | 60 |
| 22 | 192 | 100 | 60 |
| 23 | 200 | 110 | 60 |
| 24 | 208 | 110 | 60 |
| 25 | 216 | 110 | 60 |
| 26 | 224 | 120 | 60 |
| 27 | 233 | 120 | 60 |
| 28 | 241 | 120 | 60 |
| 29 | 249 | 120 | 60 |
