SJM Automotive and Scooter Belts are engineered to meet the demanding requirements of automotive and motorcycle drive systems. Designed for reliable power transmission, these belts are used to drive essential vehicle accessories including charging systems, water pumps, power steering pumps, air conditioning compressors, and continuously variable transmissions (CVTs) in scooters.
Manufactured from premium rubber compounds with high-strength tensile cords, SJM Automotive and Scooter Belts provide excellent resistance to heat, wear, and oil while delivering smooth, quiet operation and long service life. Available in wrapped, raw edge, and ribbed constructions, these belts are designed to provide dependable performance in a wide range of passenger vehicles, motorcycles, and scooters.
Available profiles include: SWF, SRL, SRC, PK, and PJ.
For detailed dimensions and technical specifications, please refer to the table below.
| Model | Dimensions | HM | A | B | BC | C | CD |
|---|---|---|---|---|---|---|---|
| SWF | a (mm) | 10 | 12.5 | 16.5 | – | 22 | – |
| b (mm) | 8 | 9 | 11 | – | 14 | – | |
| θ (°) | 38° | 38° | 38° | – | 38° | – | |
| SRL | a (mm) | 10.7 | 13 | 17 | 18.8 | – | – |
| b (mm) | 7.5 | 8 | 11 | 9.5 | – | – | |
| θ (°) | 38° | 38° | 38° | 38° | – | – | |
| SRC | a (mm) | 10.7 | 13 | 17 | 18.8 | 22 | 25.4 |
| b (mm) | 8 | 9 | 11 | 12.5 | 14 | 16 | |
| θ (°) | 38° | 38° | 38° | 38° | 38° | 38° |
| Type | HM | A | B | BC | C | CD |
|---|---|---|---|---|---|---|
| SWF | 70 | 75 | 125 | – | 200 | – |
| SRL | 65 | 70 | 90 | – | – | – |
| SRC | 60 | 65 | 80 | 85 | 100 | 110 |
| Feature | SWF | SRL | SRC |
|---|---|---|---|
| Resistant to side pressure | ○ | ☆ | ☆ |
| Resistant to heat | ○ | ○ | ☆ |
| Resistant to flexibility | ○ | ○ | ☆ |
| Resistant to dust | ○ | ☆ | ☆ |
| Elongation | ○ | ☆ | ☆ |
| Noise | ☆ | ☆ | ○ |