PowerGrip® GT® Belt Drives

PowerGrip ® GT ® Belt Drives
Sprocket Specifications Tables – 2mm Pitch PowerGrip GT Sprockets
9 mm (.354 in) Wide Belts (3MR-09)
Nominal Dimensions (in)
No. Flange Plain Bore* (in)
Code of Pitch Outside O.D. W L H Set
Symbol Grooves Type Diameter Diameter (+0.016) (+0.005) (+0.010) (+0.016) Min. Max. Screws**
3MR-16S-09-AL 16 6FC 0.602 0.572 0.710 0.401 0.691 0.710 0.125 0.500 6-40
3MR-17S-09-AL 17 6FC 0.639 0.609 0.740 0.401 0.691 0.740 0.125 0.500 6-40
3MR-18S-09-AL 18 6F 0.677 0.647 0.790 0.401 0.821 0.442 0.188 0.188 4-40
3MR-19S-09-AL 19 6F 0.714 0.684 0.827 0.401 0.821 0.479 0.188 0.250 4-40
3MR-20S-09-AL 20 6F 0.752 0.722 0.895 0.401 0.821 0.500 0.188 0.250 4-40
3MR-21S-09-AL 21 6F 0.790 0.760 0.895 0.401 0.821 0.500 0.188 0.250 4-40
3MR-22S-09-AL 22 6F 0.827 0.797 0.945 0.401 0.821 0.562 0.188 0.313 4-40
3MR-24S-09-AL 24 6F 0.902 0.872 1.025 0.401 0.821 0.625 0.250 0.375 6-40
3MR-26S-09-AL 26 6F 0.977 0.947 1.105 0.401 0.821 0.625 0.250 0.375 6-40
3MR-28S-09-AL 28 6F 1.053 1.023 1.173 0.401 0.821 0.701 0.250 0.500 6-40
3MR-30S-09-AL 30 6F 1.128 1.098 1.250 0.401 0.821 0.776 0.250 0.563 8-32
3MR-32S-09-AL 32 6F 1.203 1.173 1.323 0.401 0.821 0.851 0.250 0.625 8-32
3MR-34S-09-AL 34 6F 1.278 1.248 1.398 0.401 0.833 0.921 0.250 0.688 8-32
3MR-36S-09-AL 36 6F 1.353 1.323 1.473 0.401 0.833 1.000 0.250 0.750 8-32
3MR-38S-09-AL 38 6F 1.429 1.399 1.549 0.401 0.833 1.075 0.250 0.875 8-32
3MR-40S-09-AL 40 6F 1.504 1.474 1.625 0.401 0.833 1.150 0.250 0.938 8-32
3MR-45S-09-AL 45 6F 1.692 1.662 1.775 0.401 0.833 1.250 0.250 1.000 8-32
3MR-50S-09-AL 50 6 1.880 1.850 - 0.500 0.875 1.250 0.313 1.000 8-32
3MR-56S-09-AL 56 6 2.105 2.075 - 0.500 0.875 1.250 0.313 1.000 8-32
3MR-62S-09-AL 62 6 2.331 2.301 - 0.500 0.875 1.250 0.313 1.000 8-32
3MR-68S-09-AL 68 6 2.557 2.527 - 0.500 0.875 1.250 0.313 1.000 8-32
3MR-74S-09-AL 74 6 2.782 2.752 - 0.500 0.875 1.250 0.313 1.000 8-32
3MR-80S-09-AL 80 6 3.008 2.978 - 0.500 0.875 1.250 0.313 1.000 8-32
15 mm (.591 in) Wide Belts (3MR-15)
3MR-16S-15-AL 16 6FC 0.602 0.572 0.710 0.637 0.927 0.710 0.125 0.500 6-40
3MR-17S-15-AL 17 6FC 0.639 0.609 0.740 0.637 0.927 0.740 0.125 0.500 6-40
3MR-18S-15-AL 18 6F 0.677 0.647 0.790 0.637 1.057 0.442 0.188 0.188 4-40
3MR-19S-15-AL 19 6F 0.714 0.684 0.827 0.637 1.057 0.479 0.188 0.250 4-40
3MR-20S-15-AL 20 6F 0.752 0.722 0.895 0.637 1.057 0.500 0.188 0.250 4-40
3MR-21S-15-AL 21 6F 0.790 0.760 0.895 0.637 1.057 0.500 0.188 0.250 4-40
3MR-22S-15-AL 22 6F 0.827 0.797 0.945 0.637 1.057 0.562 0.188 0.313 4-40
3MR-24S-15-AL 24 6F 0.902 0.872 1.025 0.637 1.057 0.625 0.250 0.375 6-40
3MR-26S-15-AL 26 6F 0.977 0.947 1.105 0.637 1.057 0.625 0.250 0.375 6-40
3MR-28S-15-AL 28 6F 1.053 1.023 1.173 0.637 1.057 0.701 0.250 0.500 6-40
3MR-30S-15-AL 30 6F 1.128 1.098 1.250 0.637 1.057 0.776 0.250 0.563 8-32
3MR-32S-15-AL 32 6F 1.203 1.173 1.323 0.637 1.057 0.851 0.250 0.625 8-32
3MR-34S-15-AL 34 6F 1.278 1.248 1.398 0.637 1.069 0.921 0.250 0.688 8-32
3MR-36S-15-AL 36 6F 1.353 1.323 1.473 0.637 1.069 1.000 0.250 0.750 8-32
3MR-38S-15-AL 38 6F 1.429 1.399 1.549 0.637 1.069 1.075 0.250 0.875 8-32
3MR-40S-15-AL 40 6F 1.504 1.474 1.625 0.637 1.069 1.150 0.250 0.938 8-32
3MR-45S-15-AL 45 6F 1.692 1.662 1.775 0.637 1.069 1.250 0.250 1.000 8-32
3MR-50S-15-AL 50 6 1.880 1.850 - 0.736 1.111 1.250 0.313 1.000 8-32
3MR-56S-15-AL 56 6 2.105 2.075 - 0.736 1.111 1.250 0.313 1.000 8-32
3MR-62S-15-AL 62 6 2.331 2.301 - 0.736 1.111 1.250 0.313 1.000 8-32
3MR-68S-15-AL 68 6 2.557 2.527 - 0.736 1.111 1.250 0.313 1.000 8-32
3MR-74S-15-AL 74 6 2.782 2.752 - 0.736 1.111 1.250 0.313 1.000 8-32
3MR-80S-15-AL 80 6 3.008 2.978 - 0.736 1.111 1.250 0.313 1.000 8-32
* Plain bore style stocked in smallest bore.
** 2 ea. set screws at 90 degrees.
NOTE: See Synchronous Belt Drives – Sprocket Specifications section, Page 59, for a complete table of stock and non-stock sprocket diameters.
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