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Timing belt Specifications
| Type | Pitch Pb (mm) | Tooth height ht(mm) | Belt thickness hs(mm) | Angleβ° |
| MXL | 2.032 | 0.51 | 1.14 | 40 |
| XL | 5.08 | 1.27 | 2.3 | 50 |
| L | 9.525 | 1.91 | 3.6 | 40 |
| H | 12.7 | 2.29 | 4.3 | 40 |
| XH | 22.225 | 6.35 | 11.2 | 40 |
| XXH | 31.75 | 9.53 | 15.7 | 40 |
| T2.5 | 2.5 | 0.7 | 1.3 | 40 |
| T5 | 5 | 1.2 | 2.2 | 40 |
| T10 | 10 | 2.5 | 4.5 | 40 |
| T20 | 20 | 5 | 8 | 40 |
| AT5 | 5 | 1.2 | 2.7 | 50 |
| AT10 | 10 | 2.5 | 5 | 50 |
| AT20 | 20 | 5 | 8 | 50 |
Arc ToothType | Pitch pb(mm) | Tooth height ht(mm) | Belt thickness hs(mm) |
2M | 2 | 0.75 | 1.36 |
3M | 3 | 1.17 | 2.4 |
5M | 5 | 2.06 | 3.8 |
8M | 8 | 3.36 | 6.00 |
14M | 14 | 6.02 | 10.00 |
20M | 20 | 8.4 | 13.20 |
S2M | 2 | 0.76 | 1.36 |
S3M | 3 | 1.14 | 2.20 |
S4.5M | 4.5 | 1.71 | 2.81 |
S5M | 5 | 1.91 | 3.4 |
S8M | 8 | 3.05 | 5.3 |
S14M | 14 | 5.3 | 10.2 |
RP2M | 2 | 0.76 | 1.36 |
RP3M | 3 | 1.15 | 1.9 |
RP5M | 5 | 1.95 | 3.5 |
RP8M | 8 | 3.2 | 5.5 |
RP14M | 14 | 6.00 | 10 |
round rubber drive belts