C111 DUN Dunlop V-Belt To Suit_GGP 4L 550 / 1397 La

4L 550 / 1397 La Garden Belt

and the second number is the internal length in mm

4L 320 / 813 La Garden Belt

4L 300 / 762 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

C111 DUN Dunlop V-Belt To Suit_GGP 4L 550 / 1397 LaTraditional V Belts are manufactured with cross sections Z, A, B, C & D sections with a range of over 500 lengths currently available. V Belts for industrial use are designated both to RMA standard e. g. A52, where the letter designates its cross section and the number corresponds to a nominal internal length in inches and to DIN standard e. g. 13x1320Li, where the rst number denotes the width in mm, and the second number is the internal length in mm.