18 MATERIAL:  Nylon Covered, Fiberglass Reinforced, Neoprene BREAKING STRENGTH:  190 N per 1 mm (135 lbs per 1/8) belt width; not representative of the load-carrying capacity of the belt. WORKING TENSION:  507 N for 25.4 mm belt (114 lbs for 1 in. belt). For more information, see the technical section. TEMPERATURE RANGE:  -34°C to +85°C  (-30°F to +185°F) Special Widths - cut to size from sleeves available from stock. Pulleys are available with metric or inch standards. NOTE:  Dimensions in (  ) are inch size. 3 (.118) 0.76 (.030) 3.2 (.126) Continued on the next page Example:  A  6R53MD125090 is a 125 Groove 9 mm Wide Belt. Equivalent Inch Width Width Code Belt Width .236 .354 6 mm 9 mm 060 090 CATALOG NUMBER DESIGNATION: No. of Grooves Code (See tables below) Width Code (See right) A  6 R 5 3 M D 124 125 127 128 129 130 131 132 133 135 137 138 139 140 142 144 145 146 148 149 153 155 156 157 158 160 161 162 163 164 167 168 170 171 173 175 176 177 179 184 186 188 190 192 195 197 199 200 14.646 14.764 15.000 15.118 15.236 15.354 15.472 15.591 15.709 15.945 16.181 16.299 16.417 16.535 16.772 17.008 17.126 17.244 17.480 17.598 18.071 18.307 18.425 18.543 18.661 18.898 19.016 19.134 19.252 19.370 19.724 19.842 20.079 20.197 20.433 20.669 20.787 20.905 21.142 21.732 21.968 22.205 22.441 22.677 23.031 23.268 23.504 23.622 372 375 381 384 387 390 393 396 399 405 411 414 417 420 426 432 435 438 444 447 459 465 468 471 474 480 483 486 489 492 501 504 510 513 519 525 528 531 537 552 558 564 570 576 585 591 597 600 Groove Code Groove Code Groove Code Groove Code Pitch Length Pitch Length Pitch Length Pitch Length Inch Inch Inch Inch mm mm mm mm NEW SIZES GT®2 Double-Sided Timing Belts – 3 mm Pitch NEOPRENE 6 & 9 mm WIDE PROFILE