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Gates Two Groove 3L & 4L Light Duty Pulleys. These pulleys are bored to size and engineered to work with Truflex° 3L & 4L belts. They feature precision machined grooves – single and double groove designs are available.

Part Number Description O.D. (inches) Avg. Weight 3L Pitch Dia. 4L Pitch Dia. Bore (inches)
G078070011 2AK20 2.00 0.89 1.46 1.80 1/2
G078070012 2AK20 2.00 0.89 1.46 1.80 5/8
G078070013 2AK20 2.00 0.89 1.46 1.80 3/4
G078070014 2AK20 2.00 0.89 1.46 1.80 7/8
G078070015 2AK21 2.15 0.94 1.56 1.90 1/2
G078070016 2AK21 2.15 0.94 1.56 1.90 5/8
G078070017 2AK21 x 3/4 2.15 0.84 1.56 1.90 3/4
G078070022 2AK22 2.25 0.89 1.66 2.00 5/8
G078070023 2AK22 2.25 0.89 1.66 2.00 3/4
G078070024 2AK22 2.25 0.89 1.66 2.00 7/8
G078070025 2AK22 2.25 0.89 1.66 2.00 1
G078070021 2AK22 x 1/2 2.25 1.01 1.66 2.00 1/2
G078070032 2AK23 2.35 1.21 1.76 2.10 5/8
G078070033 2AK23 2.35 1.21 1.76 2.10 3/4
G078070034 2AK23 2.35 1.21 1.76 2.10 7/8
G078070035 2AK23 2.35 1.21 1.76 2.10 1
G078070111 2AK25 2.55 1.43 1.96 2.30 1/2
G078070112 2AK25 2.55 1.43 1.96 2.30 5/8
G078070113 2AK25 2.55 1.43 1.96 2.30 3/4
G078070114 2AK25 2.55 1.43 1.96 2.30 7/8
G078070115 2AK25 2.55 1.43 1.96 2.30 1
G078070116 2AK25 2.55 1.43 1.96 2.30 1-1/8
G078070117 2AK26 2.65 1.46 2.06 2.40 5/8
G078070118 2AK26 2.65 1.46 2.06 2.40 3/4
G078070119 2AK26 2.65 1.46 2.06 2.40 7/8
G078070121 2AK27 2.75 1.65 2.16 2.50 1/2
G078070122 2AK27 2.75 1.65 2.16 2.50 5/8
G078070123 2AK27 2.75 1.65 2.16 2.50 3/4
G078070124 2AK27 2.75 1.65 2.16 2.50 7/8
G078070125 2AK27 2.75 1.65 2.16 2.50 1
G078070126 2AK27 2.75 1.65 2.16 2.50 1-1/8
G078070132 2AK28 2.85 1.98 2.26 2.60 5/8
G078070133 2AK28 2.85 1.98 2.26 2.60 3/4
G078070134 2AK28 2.85 1.98 2.26 2.60 7/8
G078070135 2AK28 2.85 1.98 2.26 2.60 1
G078070221 2AK30 3.05 1.98 2.46 2.80 1/2
G078070222 2AK30 3.05 1.98 2.46 2.80 5/8
G078070223 2AK30 3.05 1.98 2.46 2.80 3/4
G078070224 2AK30 3.05 1.98 2.46 2.80 7/8
G078070225 2AK30 3.05 1.98 2.46 2.80 1
G078070226 2AK30 3.05 1.98 2.46 2.80 1-1/8
G078070141 2AK32 3.25 2.42 2.66 3.00 1/2
G078070142 2AK32 3.25 2.42 2.66 3.00 5/8
G078070143 2AK32 3.25 2.42 2.66 3.00 3/4
G078070144 2AK32 3.25 2.42 2.66 3.00 7/8
G078070145 2AK32 3.25 2.42 2.66 3.00 1
G078070146 2AK32 3.25 2.42 2.66 3.00 1-1/8
G078070151 2AK34 3.45 2.65 2.86 3.20 1/2
G078070152 2AK34 3.45 2.65 2.86 3.20 5/8
G078070153 2AK34 3.45 2.65 2.86 3.20 3/4
G078070154 2AK34 3.45 2.65 2.86 3.20 7/8
G078070155 2AK34 3.45 2.65 2.86 3.20 1
G078070156 2AK34 3.45 2.65 2.86 3.20 1-1/8
G078050161 2AK39 3.75 3.21 3.16 3.50 1/2
G078050162 2AK39 3.75 3.21 3.16 3.50 5/8
G078050163 2AK39 3.75 3.21 3.16 3.50 3/4
G078050164 2AK39 3.75 3.21 3.16 3.50 7/8
G078050165 2AK39 3.75 3.21 3.16 3.50 1
G078050166 2AK39 3.75 3.21 3.16 3.50 1-1/8
G078070171 2AK41 3.95 3.25 3.36 3.70 5/8
G078070172 2AK41 3.95 3.25 3.36 3.70 3/4
G078070173 2AK41 3.95 3.25 3.36 3.70 7/8
G078070174 2AK41 3.95 3.25 3.36 3.70 1
G078070175 2AK41 3.95 3.25 3.36 3.70 1-1/8
G078050171 2AK44 4.25 3.30 3.66 4.00 5/8
G078050172 2AK44 4.25 3.30 3.66 4.00 3/4
G078050173 2AK44 4.25 3.30 3.66 4.00 7/8
G078050174 2AK44 4.25 3.30 3.66 4.00 1
G078050175 2AK44 4.25 3.30 3.66 4.00 1-1/8
G078050178 2AK46 4.45 3.41 3.86 4.20 7/8
G078050179 2AK46 4.45 3.41 3.86 4.20 1
G078050180 2AK46 4.45 3.41 3.86 4.20 1-1/8
G078050182 2AK49 4.75 3.96 4.16 4.50 3/4
G078050183 2AK49 4.75 3.96 4.16 4.50 7/8
G078050184 2AK49 4.75 3.96 4.16 4.50 1
G078050242 2AK49 4.75 3.96 4.16 4.50 1-1/8
G078050243 2AK49 4.75 3.96 4.16 4.50 1-3/8
G078050186 2AK51 4.95 4.18 4.36 4.70 3/4
G078050187 2AK51 4.95 4.18 4.36 4.70 7/8
G078050188 2AK51 4.95 4.18 4.36 4.70 1
G078050244 2AK51 4.95 4.18 4.36 4.70 1-1/8
G078050245 2AK51 4.95 4.18 4.36 4.70 1-3/8
G078050189 2AK54 5.25 3.30 4.66 5.00 5/8
G078050190 2AK54 5.25 3.30 4.66 5.00 3/4
G078050191 2AK54 5.25 3.30 4.66 5.00 7/8
G078050192 2AK54 5.25 3.30 4.66 5.00 1
G078050246 2AK54 5.25 3.30 4.66 5.00 1-1/8
G078050247 2AK54 5.25 3.30 4.66 5.00 1-3/8
G078050193 2AK56 5.45 3.74 4.86 5.20 5/8
G078050194 2AK56 5.45 3.74 4.86 5.20 3/4
G078050196 2AK56 5.45 3.74 4.86 5.20 1
G078050248 2AK56 5.45 3.74 4.86 5.20 1-1/8
G078050249 2AK56 5.45 3.74 4.86 5.20 1-3/8
G078050250 2AK59 5.75 3.49 5.16 5.50 1
G078050251 2AK59 5.75 3.49 5.16 5.50 1-1/8
G078050252 2AK59 5.75 3.49 5.16 5.50 1-3/8
G078050197 2AK61 5.95 3.50 5.36 5.70 3/4
G078050198 2AK61 5.95 3.50 5.36 5.70 7/8
G078050199 2AK61 5.95 3.50 5.36 5.70 1
G078050253 2AK61 5.95 3.50 5.36 5.70 1-1/8
G078050254 2AK61 5.95 3.50 5.36 5.70 1-3/8
G078050200 2AK64 6.25 4.69 5.66 6.00 3/4
G078050202 2AK64 6.25 4.69 5.66 6.00 1
G078050255 2AK64 6.25 4.69 5.66 6.00 1-1/8
G078050203 2AK64 6.25 4.69 5.66 6.00 1-3/16
G078050256 2AK64 6.25 4.69 5.66 6.00 1-3/8
G078050204 2AK64 6.25 4.69 5.66 6.00 1-7/16
G078050205 2AK74 7.25 6.16 6.66 7.00 3/4
G078050206 2AK74 7.25 6.16 6.66 7.00 1
G078050257 2AK74 7.25 6.16 6.66 7.00 1-1/8
G078050207 2AK74 7.25 6.16 6.66 7.00 1-3/16
G078050258 2AK74 7.25 6.16 6.66 7.00 1-3/8
G078050208 2AK74 7.25 6.16 6.66 7.00 1-7/16
G078050209 2AK84 8.25 6.44 7.66 8.00 3/4
G078050210 2AK84 8.25 6.44 7.66 8.00 15/16
G078050211 2AK84 8.25 6.44 7.66 8.00 1
G078050259 2AK84 8.25 6.44 7.66 8.00 1-1/8
G078050260 2AK84 8.25 6.44 7.66 8.00 1-3/8
G078050214 2AK84 8.25 6.44 7.66 8.00 1-7/16
G078050212 2AK84 x 1-3/16 8.25 6.54 7.66 8.00 1-3/16
G078050215 2AK94 9.25 7.22 8.66 9.00 3/4
G078050217 2AK94 9.25 7.22 8.66 9.00 1
G078050261 2AK94 9.25 7.22 8.66 9.00 1-1/8
G078050218 2AK94 9.25 7.22 8.66 9.00 1-3/16
G078050262 2AK94 9.25 7.22 8.66 9.00 1-3/8
G078050219 2AK94 9.25 7.22 8.66 9.00 1-7/16
G078050220 2AK104 10.25 7.26 9.66 10.00 3/4
G078050221 2AK104 10.25 7.26 9.66 10.00 15/16
G078050222 2AK104 10.25 7.26 9.66 10.00 1
G078050224 2AK104 10.25 7.26 9.66 10.00 1-7/16
G078050226 2AK114 11.25 8.85 10.66 11.00 1
G078050227 2AK114 11.25 8.85 10.66 11.00 1-3/16
G078050263 2AK114 11.25 8.85 10.66 11.00 1-3/8
G078050228 2AK114 11.25 8.85 10.66 11.00 1-7/16
G078050230 2AK124 12.25 10.10 11.66 12.00 1
G078050231 2AK124 12.25 10.10 11.66 12.00 1-3/16
G078050232 2AK124 12.25 10.10 11.66 12.00 1-7/16
G078050264 2AK134 13.25 11.75 12.66 13.00 1-3/16
G078050265 2AK134 13.25 11.75 12.66 13.00 1-7/16
G078050233 2AK144 14.25 12.81 13.66 14.00 1
G078050235 2AK144 14.25 12.81 13.66 14.00 1-7/16
G078050237 2AK154 15.25 13.54 14.66 15.00 1-3/16
G078050238 2AK154 15.25 13.54 14.66 15.00 1-7/16
G078050240 2AK184 18.25 18.23 17.66 18.00 1-3/16
G078050241 2AK184 18.25 18.23 17.66 18.00 1-7/16
G078077211 2BK25 2.50 1.47 1.90 2.30 1/2
G078077212 2BK25 2.50 1.47 1.90 2.30 5/8
G078077213 2BK25 2.50 1.47 1.90 2.30 3/4
G078077214 2BK25 2.50 1.47 1.90 2.30 7/8
G078077215 2BK25 2.50 1.47 1.90 2.30 1
G078077221 2BK27 2.70 1.83 2.10 2.50 1/2
G078077222 2BK27 2.70 1.83 2.10 2.50 5/8
G078077223 2BK27 2.70 1.83 2.10 2.50 3/4
G078077224 2BK27 2.70 1.83 2.10 2.50 7/8
G078077225 2BK27 2.70 1.83 2.10 2.50 1
G078077836 2BK27 2.70 1.83 2.10 2.50 1-1/8
G078077231 2BK28 2.95 2.19 2.20 2.60 1/2
G078077232 2BK28 2.95 2.19 2.20 2.60 5/8
G078077233 2BK28 2.95 2.19 2.20 2.60 3/4
G078077234 2BK28 2.95 2.19 2.20 2.60 7/8
G078077235 2BK28 2.95 2.19 2.20 2.60 1
G078077236 2BK28 2.95 2.19 2.20 2.60 1-1/8
G078077837 2BK30 3.15 2.40 2.40 2.80 1/2
G078077838 2BK30 3.15 2.40 2.40 2.80 5/8
G078077839 2BK30 3.15 2.40 2.40 2.80 3/4
G078077840 2BK30 3.15 2.40 2.40 2.80 7/8
G078077841 2BK30 3.15 2.40 2.40 2.80 1
G078077842 2BK30 3.15 2.40 2.40 2.80 1-1/8
G078077812 2BK32 3.35 2.94 2.60 3.00 5/8
G078077813 2BK32 3.35 2.94 2.60 3.00 3/4
G078077814 2BK32 3.35 2.94 2.60 3.00 7/8
G078077815 2BK32 3.35 2.94 2.60 3.00 1
G078077816 2BK32 3.35 2.94 2.60 3.00 1-1/8
G078077822 2BK34 3.55 3.08 2.80 3.20 5/8
G078077823 2BK34 3.55 3.08 2.80 3.20 3/4
G078077824 2BK34 3.55 3.08 2.80 3.20 7/8
G078077825 2BK34 3.55 3.08 2.80 3.20 1
G078077826 2BK34 3.55 3.08 2.80 3.20 1-1/8
G078077273 2BK36 3.75 3.63 3.00 3.40 3/4
G078077274 2BK36 3.75 3.63 3.00 3.40 7/8
G078077275 2BK36 3.75 3.63 3.00 3.40 1
G078077276 2BK36 3.75 3.63 3.00 3.40 1-1/8
G078077351 2BK36 3.75 3.63 3.00 3.40 1-3/8
G078077831 2BK40 3.95 3.80 3.20 3.60 3/4
G078077833 2BK40 3.95 3.80 3.20 3.60 1
G078077834 2BK40 3.95 3.80 3.20 3.60 1-1/8
G078077835 2BK40 3.95 3.80 3.20 3.60 1-3/8
G078057830 2BK40 x 5/8 or 7/8 3.95 3.94 3.20 3.60 5/8
G078057832 2BK40 x 5/8 or 7/8 3.95 3.94 3.20 3.60 7/8
G078057277 2BK45 4.25 3.36 3.50 3.90 1
G078057281 2BK45 4.25 3.36 3.50 3.90 1-1/8
G078057282 2BK45 4.25 3.36 3.50 3.90 1-3/8
G078057284 2BK47 4.45 4.07 3.70 4.10 7/8
G078057285 2BK47 4.45 4.07 3.70 4.10 1
G078057286 2BK47 4.45 4.07 3.70 4.10 1-1/8
G078057288 2BK50 4.75 4.51 4.00 4.40 3/4
G078057290 2BK50 4.75 4.51 4.00 4.40 1
G078057291 2BK50 4.75 4.51 4.00 4.40 1-1/8
G078057292 2BK50 4.75 4.51 4.00 4.40 1-3/8
G078057294 2BK52 4.95 4.11 4.20 4.60 7/8
G078057295 2BK52 4.95 4.11 4.20 4.60 1
G078057296 2BK52 4.95 4.11 4.20 4.60 1-1/8
G078057297 2BK52 4.95 4.11 4.20 4.60 1-3/8
G078057301 2BK55 5.25 4.95 4.50 4.90 1-1/8
G078057352 2BK55 5.25 4.95 4.50 4.90 1-3/8
G078057304 2BK57 5.45 5.00 4.70 5.10 1
G078057305 2BK57 5.45 5.00 4.70 5.10 1-1/8
G078057353 2BK57 5.45 5.00 4.70 5.10 1-3/8
G078057306 2BK60 5.75 5.39 5.00 5.40 3/4
G078057307 2BK60 5.75 5.39 5.00 5.40 7/8
G078057308 2BK60 5.75 5.39 5.00 5.40 1
G078057354 2BK60 5.75 5.39 5.00 5.40 1-3/8
G078057309 2BK60 x 1-1/8 5.75 4.47 5.00 5.40 1-1/8
G078057355 2BK62 5.95 5.39 5.20 5.60 1
G078057356 2BK62 5.95 5.39 5.20 5.60 1-1/8
G078057357 2BK62 5.95 5.39 5.20 5.60 1-3/8
G078057312 2BK65 6.25 5.50 5.50 5.90 1
G078057313 2BK65 6.25 5.50 5.50 5.90 1-1/8
G078057358 2BK65 6.25 5.50 5.50 5.90 1-3/8
G078057315 2BK67 6.45 5.50 5.70 6.10 1
G078057316 2BK67 6.45 5.50 5.70 6.10 1-1/8
G078057359 2BK67 6.45 5.50 5.70 6.10 1-3/8
G078057317 2BK70 6.75 6.32 6.00 6.40 3/4
G078057318 2BK70 6.75 6.32 6.00 6.40 1
G078057360 2BK70 6.75 6.32 6.00 6.40 1-1/8
G078057319 2BK70 6.75 6.32 6.00 6.40 1-3/16
G078057361 2BK70 6.75 6.32 6.00 6.40 1-3/8
G078057320 2BK70 6.75 6.32 6.00 6.40 1-7/16
G078057321 2BK80 7.75 7.92 7.00 7.40 3/4
G078057323 2BK80 7.75 7.92 7.00 7.40 1
G078057362 2BK80 7.75 7.92 7.00 7.40 1-1/8
G078057324 2BK80 7.75 7.92 7.00 7.40 1-3/16
G078057363 2BK80 7.75 7.92 7.00 7.40 1-3/8
G078057325 2BK80 7.75 7.92 7.00 7.40 1-7/16
G078057326 2BK90 8.75 8.36 8.00 8.40 3/4
G078057327 2BK90 8.75 8.36 8.00 8.40 1
G078057364 2BK90 8.75 8.36 8.00 8.40 1-1/8
G078057328 2BK90 8.75 8.36 8.00 8.40 1-3/16
G078057365 2BK90 8.75 8.36 8.00 8.40 1-3/8
G078057329 2BK90 8.75 8.36 8.00 8.40 1-7/16
G078057330 2BK100 9.75 9.88 9.00 9.40 3/4
G078057332 2BK100 9.75 9.88 9.00 9.40 1
G078057333 2BK100 9.75 9.88 9.00 9.40 1-3/16
G078057366 2BK100 x 1-3/8 or 1-7/16 9.75 9.94 9.00 9.40 1-3/8
G078057334 2BK100 x 1-3/8 or 1-7/16 9.75 9.94 9.00 9.40 1-7/16
G078057335 2BK110 10.75 11.42 10.00 10.40 1
G078057336 2BK110 10.75 11.42 10.00 10.40 1-3/16
G078057337 2BK110 10.75 11.42 10.00 10.40 1-7/16
G078057340 2BK120 11.75 12.98 11.00 11.40 1-3/16
G078057339 2BK120 x 1 11.75 13.40 11.00 11.40 1
G078057341 2BK120 x 1 11.75 13.40 11.00 11.40 1-7/16
G078057367 2BK130 12.75 16.39 12.00 12.40 1
G078057368 2BK130 12.75 16.39 12.00 12.40 1-3/16
G078057369 2BK130 12.75 16.39 12.00 12.40 1-7/16
G078057342 2BK140 13.75 19.01 13.00 13.40 1
G078057343 2BK140 13.75 19.01 13.00 13.40 1-3/16
G078057344 2BK140 x 1-7/16 13.75 16.23 13.00 13.40 1-7/16
G078057345 2BK160 15.75 19.80 15.00 15.40 1
G078057346 2BK160 15.75 19.80 15.00 15.40 1-3/16
G078057347 2BK160 15.75 19.80 15.00 15.40 1-7/16
G078057349 2BK190 18.75 22.39 18.00 18.40 1-3/16
G078057350 2BK190 18.75 22.39 18.00 18.40 1-7/16