SJM Belting (Thailand) manufactures premium Classical V-Belts designed for reliable power transmission in industrial, agricultural, automotive, and OEM applications. Our range includes both wrapped V-belts and raw edge cogged V-belts, providing dependable performance, long service life, and efficient power transmission.
Manufactured from high-quality rubber compounds and durable tensile cords, our belts offer excellent resistance to heat, oil, wear, and stretching. They are suitable for both replacement and original equipment applications across a wide range of machinery.
Available profiles include A, B, C, D, E, M, K, Z/M, 3L, 4L, 5L, ZX, AX, BX, CX, and DX, with a variety of standard lengths to meet your application requirements.
For detailed dimensions and technical specifications, please refer to the table below.
| Dimensions | A | B | C | D | E | K | Z/M | 3L | 4L | 5L | ZX | AX | BX | CX | DX |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Width (mm) | 12.5 | 16.5 | 22 | 31.5 | 38 | 7.5 | 10 | 10.5 | 12.5 | 16.5 | 10 | 12.5 | 16.5 | 22 | 31.5 |
| Thickness (mm) | 9 | 11 | 14 | 19 | 25.5 | 6 | 5.5 | 5.5 | 8 | 9.5 | 6 | 9 | 11 | 14 | 19 |
| Angle (°) | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 38 | 38 | 38 | 38 | 38 |
| Length Designation | Lp | Lp | Lp | Lp | Lp | Li | Li / La | La | La | La | Li | Li | Li | Li | Li |
| Max. Belt Speed (m/s) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 50 | 50 | 50 | 50 | 50 |
| Bending Frequency (Hz) | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 120 | 120 | 120 | 120 | 120 |
| Min. Pulley Diameter (mm) | 71 | 112 | 180 | 315 | 450 | 45 | 45 | 45 | 60 | 85 | 40 | 63 | 90 | 140 | 280 |