The load capacity is decided by "o" belt drive power and driving device for these series(single groove shaft line driving is higher than double one,the position of groove is customized by customer),the reference date is usua1ly within 300N,suit for light duty conveying. Advantages: light weight,nice operating performance.polymerbearing components (can made foranti-static agent),nice appearance. Polymerend cap has the function of dustproof and water slash proof.The weight of subject can't exceed50kgs. Disadvantages:cause the material is polymer,not applicable in high temperature environment.