Dimension of synchronous belt
STPD/STS-S4.5 (Pitch=4.50mm)
| Type | Pitch Length(mm) | Sleeve Width(mm) | Teeth No. |
| S4.5M-162 | 162.00 | 36 | |
| S4.5M-180 | 180.00 | 100 | 40 |
| S4.5M-198 | 198.00 | 44 | |
| S4.5M-203 | 203.00 | 45 | |
| S4.5M-225 | 225.00 | 200 | 50 |
| S4.5M-239 | 239.00 | 200 | 53 |
| S4.5M-252 | 252.00 | 200 | 56 |
| S4.5M-275 | 275.00 | 200 | 61 |
| S4.5M-279 | 279.00 | 200 | 62 |
| S4.5M-284 | 284.00 | 200 | 63 |
| S4.5M-297 | 297.00 | 200 | 66 |
| S4.5M-315 | 315.00 | 120 | 70 |
| S4.5M-319.5 | 319.50 | 450 | 71 |
| S4.5M-329 | 329.00 | 200 | 73 |
| S4.5M-338 | 338.00 | 200 | 75 |
| S4.5M-342 | 342.00 | 450 | 76 |
| S4.5M-347 | 347.00 | 77 | |
| S4.5M-351 | 351.00 | 78 | |
| S4.5M-360 | 360.00 | 160 | 80 |
| S4.5M-369 | 369.00 | 450 | 82 |
| S4.5M-387 | 387.00 | 86 | |
| S4.5M-396 | 396.00 | 450 | 88 |
| S4.5M-414 | 414.00 | 450 | 92 |
| S4.5M-437 | 437.00 | 100 | 97 |
| S4.5M-441 | 441.00 | 98 | |
| S4.5M-450 | 450.00 | 450 | 100 |
| S4.5M-468 | 468.00 | 104 | |
|
S4.5M-491 |
491.00 |
109 |
|
|
S4.5M-504 |
504.00 |
450 |
112 |
|
S4.5M-518 |
518.00 |
115 |
|
|
S4.5M-558 |
558.00 |
450 |
124 |
|
S4.5M-563 |
563.00 |
200 |
125 |
|
S4.5M-567 |
567.00 |
126 |
|
|
S4.5M-612 |
612.00 |
136 |
|
|
S4.5M-617 |
617.00 |
137 |
|
|
S4.5M-630 |
630.00 |
450 |
140 |
|
S4.5M-675 |
675.00 |
150 |
|
|
S4.5M-711 |
711.00 |
450 |
158 |
|
S4.5M-801 |
801.00 |
178 |
|
|
S4.5M-932 |
932.00 |
450 |
207 |
|
S4.5M-1031 |
1031.00 |
229 |