3PK 1854 optibelt RB Ribbed Belts (3 Ribs / V’s) Section_E (40mm Wide) 5L 780 / 1981 La

5L 780 / 1981 La Garden Belt

4L 370 / 940 La Garden Belt

and the second number is the internal length in mm

4L 340 / 864 La Garden Belt

where the letter designates its cross-section and the number corresponds to a nominal internal length in inches and to DIN standard e

3PK 1854 optibelt RB Ribbed Belts (3 Ribs / V’s) Section_E (40mm Wide) 5L 780 / 1981 LaThe ribbed belt combines the high flexibility of flat belts with the high performance of V belts. The V shaped parallel ribs are made from a wear resistant rubber compound. The high strength tension cord is designed for the many applications of the ribbed belt. It is embedded in a rubber adhesive mixture and covers the entire width of the ribbed belt. Fibre reinforced, wearresistant rubber compounds ensure quiet operation, oil and heat resistance and