Technical Manual V-Belts
Standard Range optibelt SUPER VX Variable Speed Belts – Raw Edge, Moulded Cogged – DIN 7719/ISO 1604
Section/ ISO Inside length designation (Datum length) Ld Li (mm)
13 x 5 468 500 17 x 5 426 476 536 570 606 776
W W W W W W
21 x 6 530 600 610 675 770 870 970 1220
W 20 560 W 20 630 W 20 640 W 20 710 W 20 800 W 20 900 W 20 1000 W 20 1250
22 x 8 485 525 565 650 700 750 800 850 900 950 1000 1060 1185
16 16 16 16 16 16
450 500 560 600 630 800
Section/ ISO Inside length designation (Datum length) Ld Li (mm)
26 x 8 655 672 710 750 762 800 862 962 1082 28 x 8 600 650 700 750 800 850 900 950 1000 1060 1120 1180 1250 1320 1400 1450 1500 30 x 10 650 665 700 800 850 875 900 950 1000 1035 1050 1120 1200 1320 1340 1500 1600
W 25 690 W 25 710 W 25 750 W 25 790 W 25 800 W 25 840 W 25 900 W 25 1000 W 25 1120
Section/ ISO Inside length designation (Datum length) Ld Li (mm)
Section/ ISO Inside length designation (Datum length) Ld Li (mm)
Section/ ISO Inside length designation (Datum length) Ld Li (mm)
32 x 10 750 790 820 850 900 950 1000 1073 1120 1180 1200 1353
47 x 13 1000 1060 1120 1180 1250 1320 1400 1500 1600 1700 1800
70 x 18 1600 1700 1800 1900 2000 2240 2500
W 31,5 800 W 31,5 840 W 31,5 870 W 31,5 900 W 31,5 950 W 31,5 1000 W 31,5 1050 W 31,5 1120 W 31,5 1170 W 31,5 1230 W 31,5 1250 W 31,5 1400
37 x 10 660 800 850 900 950 1000 1020 1060 1120 1180 1250 1320 1400 1500 1600 1700 1800 41 x 13 925 1000 1040 1060 1120 1180 1190 1250 1340 1440 1600 1740 1940
W W W W W W W W W W
50 50 50 50 50 50 50 50 50 50
1250 1320 1400 1480 1600 1680 1800 2000 2240 2320
55 x 16 1400 1500 1600 1700 1800
W 40 990 W 40 1060 W 40 1100 W 40 1120 W 40 1180 W 40 1240 W 40 1250 W 40 1310 W 40 1400 W 40 1500 W 40 1660 W 40 1800 W 40 2000
Standard production data Belt lengths up to 5000 mm Li Belt top widths up to 100 mm Belt thicknesses 5 to 25 mm 24° angle for sections 13 x 5; 17 x 5. 30° angle for sections 52 x 16; 55 x 16; 65 x 20 and 70 x 18. 27° angle for all other sections. Sizes in accordance with USA Standard RMA/MTPA and variable speed belts with angles of 22° to 42° can be supplied on request. Minimum order quantities are necessary.
36
52 x 16 1180 1250 1325 1400 1525 1600 1725 1925 2165 2240
65 x 20 1706 1906
W 63 1800 W 63 2000
Tolerances Length ± 1 % of the nominal belt length Angle ± 1.5° of the nominal angle Height ≤ 8 mm = ± 0.8 mm > 8 to 20 mm = ± 1.0 mm > 20 mm = ± 1.5 mm Width ± 0.75 mm
Other sizes and double cogged variable speed belts can be supplied on request.