Technical Manual V-Belts
Standard Range optibelt VB Classical V-Belts to BS 3790/DIN 2215/ ISO 4184
B/17
Section B/17 Belt no.
B 23 B 24 B 25 B 26 B 261/2 B 27 B 28 B 29 B 30 B 31 B 32 B 321/2 B 33 B 34 B 341/2 B 35 B 36 B 37 B 371/2 B 38 B 381/2 B 39 B 40 B 401/2 B 41 B 411/2 B 42 B 421/2 B 43 B 431/4 B 44 B 45 B 451/2 B 46 B 461/2 B 47 B 48 B 481/2 B 49 B 50
Datum length Inside length ISO Li (mm) Ld (mm)
610 655 670 690 710 726 750 765 790 815 840 865 876 890 915 929 940 965 990 1005 1015 1040 1056 1070 1080 1090 1100 1115 1130 1140 1160 1190 1203 1215 1220 1240 1255 1265 1290 1315
Belt no.
B 51 B 52 B 521/2 B 53 B 531/2 B 54 B 55 B 56 B 57 B 58 B 59 B 60 B 61 B 62 B 63 B 64 B 65 B 66 B 67 B 68 B 69 B 691/2 B 70 B 71 B 72 B 73 B 74 B 75 B 76 B 77 B 78 B 79 B 80 B 81 B 82 B 83 B 831/2 B 84 B 85 B 86
570 615 630 650 670 686 710 725 750 775 800 825 836 850 875 889 900 925 950 965 975 1000 1016 1030 1040 1050 1060 1075 1090 1100 1120 1150 1163 1175 1180 1200 1215 1225 1250 1275
Datum length Inside length ISO Li (mm) Ld (mm)
1340 1360 1375 1390 1400 1412 1440 1462 1490 1513 1540 1565 1590 1615 1640 1665 1690 1716 1740 1765 1790 1801 1815 1840 1869 1890 1920 1940 1970 1990 2021 2040 2072 2100 2123 2140 2160 2174 2200 2240
1300 1320 1335 1350 1360 1372 1400 1422 1450 1473 1500 1525 1550 1575 1600 1625 1650 1676 1700 1725 1750 1761 1775 1800 1829 1850 1880 1900 1930 1950 1981 2000 2032 2060 2083 2100 2120 2134 2160 2200
Belt no.
B 87 B 88 B 89 B 90 B 91 B 92 B 93 B 94 B 941/2 B 95 B 96 B 961/2 B 97 B 98 B 99 B 100 B 101 B 102 B 103 B 104 B 105 B 106 B 107 B 108 B 110 B 112 B 114 B 115 B 116 B 118 B 120 B 122 B 124 B 126 B 128 B 130 B 132 B 134 B 136 B 138
Datum length Inside length ISO Li (mm) Ld (mm)
2250 2280 2301 2326 2340 2377 2400 2428 2440 2453 2478 2490 2505 2540 2555 2580 2605 2640 2656 2690 2707 2740 2758 2790 2840 2885 2940 2961 2990 3040 3088 3139 3190 3240 3290 3342 3390 3444 3490 3545
2210 2240 2261 2286 2300 2337 2360 2388 2400 2413 2438 2450 2465 2500 2515 2540 2565 2600 2616 2650 2667 2700 2718 2750 2800 2845 2900 2921 2950 3000 3048 3099 3150 3200 3250 3302 3350 3404 3450 3505
Belt no.
B 140 B 142 B 144 B 146 B 148 B 150 B 151 B 152 B 154 B 155 B 156 B 158 B 160 B 162 B 165 B 167 B 173 B 175 B 177 B 180 B 187 B 195 B 197 B 208 B 210 B 220 B 236 B 240 B 248 B 264 B 276 B 280
Datum length Inside length ISO Li (mm) Ld (mm)
3590 3640 3698 3740 3790 3850 3890 3901 3952 3990 4002 4040 4104 4155 4240 4290 4434 4490 4540 4612 4790 4993 5040 5340 5374 5640 6040 6136 6340 6740 7040 7140
3550 3600 3658 3700 3750 3810 3850 3861 3912 3950 3962 4000 4064 4115 4200 4250 4394 4450 4500 4572 4750 4953 5000 5300 5334 5600 6000 6096 6300 6700 7000 7100
Maximum production length: 15 500 mm Li Minimum order quantity: Over 1800 mm = 21 belts for non standard lengths 63 belts for certain special constructions Weight: ≈ 0.196 kg/m Datum length Ld
pitch length Lw/Lp
Other sizes on request
Lengths in bold print are in the S=C PLUS range.
25