Change Gears

Change Gears

Change Gears
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Product Details

Change Gears


 Gear change gears are manufactured with a double key to accept the compound steel bushings that connect two gears together, allowing them to spin on an intermediate shaft. The change gears we stock range from 20-tooth through 128-tooth gears, in one tooth increments, depending upon the diametral pitch, for a nearly infinite number of ratio possibilities. 


Change Gears   image


Change Gears are primarily used in machinery where gear ratios are frequently changed. Every consecutive number of teeth are available from 20 teeth to 128 teeth (up to 200 teeth in some pitches). Change Gears are flat plain style spur gears without hubs.


A "gear-train" or series of change gears may operate together in trains of idler gears mounted on compound double keyway bushings.


Change Gears are referred to as the "G" series part numbers in the range of 20 teeth and up, each gear having the same bore, face and double keyway dimensions for a given pitch. Two gears may be assembled on a single change gear bushing to form a single compound unit.


"A" series Change Gears are furnished with smaller minimum plain bores which can be re-bored to suit varying shaft sizes. "A" series gears start at 10 teeth.


Change Gears are interchangeable with other types of Spur Gears including Internal Gears, Stem Pinions and Gear Rack.




A PA of 14 1/2° ensures smooth, quiet operation.

These change gears are available in both steel and cast iron to suit a variety of application requirements.

Compound steel bushings specifically designed for these change gears are available to maximize performance.


CodePitch DiameterWeight
20EP201.05lbs
20EP211.05.06lbs
20EP221.1.07lbs
20EP231.15.08lbs
20EP241.2.09lbs
20EP251.25.10lbs
20EP261.3.11lbs
20EP271.35.12lbs
20EP281.4.13lbs
20EP291.45.14lbs
20EP301.5.16lbs
20EP311.55.17lbs
20EP321.6.19lbs
20EP331.65.20lbs
20EP341.7.22lbs
20EP351.75.24lbs
20EP361.8.26lbs
20EP371.85.28lbs
20EP381.9.30lbs
20EP391.95.32lbs
20EP402.33lbs
20EP412.05.34lbs
20EP422.1.36lbs
20EP432.15.37lbs
20EP442.2.38lbs
20EP452.25.40lbs
20EP462.3.42lbs
20EP472.35.44lbs
20EP482.4.46lbs
20EP492.45.48lbs
20EP502.5.50lbs
20EP512.55.52lbs
20EP522.6.54lbs
20EP532.65.56lbs
20EP542.7.58lbs
20EP552.75.60lbs
20EP562.8.62lbs
20EP572.85.64lbs
20EP582.9.66lbs
20EP592.95.68lbs
20EP603.72lbs
20EP613.05.76lbs
20EP623.1.79lbs
20EP633.15.82lbs
20EP643.2.83lbs
20EP653.25.85lbs
20EP663.3.91lbs
20EP673.35.94lbs
20EP683.4.97lbs
20EP693.45.99lbs
20EP703.51.00lbs
20EP713.551.10lbs
20EP723.61.10lbs
20EP733.651.10lbs
20EP743.71.20lbs
20EP753.751.20lbs
20EP763.81.20lbs
20EP773.851.30lbs
20EP783.91.30lbs
20EP793.951.40lbs
20EP8041.40lbs
20EP814.051.40lbs
20EP824.11.40lbs
20EP834.151.50lbs
20EP844.21.50lbs
20EP854.251.50lbs
20EP864.31.60lbs
20EP874.351.60lbs
20EP884.41.60lbs
20EP894.451.60lbs
20EP904.51.70lbs
20EP914.551.70lbs
20EP924.61.80lbs
20EP934.651.80lbs
20EP944.71.80lbs
20EP954.751.90lbs
20EP964.81.90lbs
20EP974.852.00lbs
20EP984.92.00lbs
20EP994.952.00lbs
20EP10052.10lbs
20EP1015.052.10lbs
20EP1025.12.20lbs
20EP1035.152.20lbs
20EP1045.22.30lbs
20EP1055.252.30lbs
20EP1065.32.40lbs
20EP1075.352.40lbs
20EP1085.42.40lbs
20EP1095.452.50lbs
20EP1105.52.50lbs
20EP1115.552.60lbs
20EP1125.62.60lbs
20EP1135.652.70lbs
20EP1145.72.70lbs
20EP1155.752.70lbs
20EP1165.82.80lbs
20EP1175.852.80lbs
20EP1185.92.90lbs
20EP1195.952.90lbs
20EP12063.00lbs
16 Diametral Pitch - 1/2" Face - 14 1/2º Pressure Angle - - 3/4" Bore With 2 - 3/16" x 3/32" Keyways 180º Apart
16EP201.25.06lbs
16EP211.312.07lbs
16EP221.375.09lbs
16EP231.437.11lbs
16EP241.5.14lbs
16EP251.562.16lbs
16EP261.625.19lbs
16EP271.687.20lbs
16EP281.75.23lbs
16EP291.812.25lbs
16EP301.875.29lbs
16EP311.937.32lbs
16EP322.32lbs
16EP332.062.35lbs
16EP342.125.38lbs
16EP352.187.41lbs
16EP362.25.46lbs
16EP372.312.48lbs
16EP382.375.51lbs
16EP392.437.55lbs
16EP402.5.58lbs
16EP412.562.61lbs
16EP422.625.64lbs
16EP432.687.69lbs
16EP442.75.74lbs
16EP452.812.76lbs
16EP462.875.80lbs
16EP472.937.84lbs
16EP483.88lbs
16EP493.062.92lbs
16EP503.125.97lbs
16EP513.1871.00lbs
16EP523.251.10lbs
16EP533.3121.10lbs
16EP543.3751.10lbs
16EP553.4371.20lbs
16EP563.51.20lbs
16EP573.5621.30lbs
16EP583.6251.30lbs
16EP593.6871.40lbs
16EP603.751.40lbs
16EP613.8121.50lbs
16EP623.8751.50lbs
16EP633.9371.60lbs
16EP6441.60lbs
16EP654.0621.70lbs
16EP664.1251.70lbs
16EP674.1871.80lbs
16EP684.251.90lbs
16EP694.3121.90lbs
16EP704.3752.00lbs
16EP714.4372.10lbs
16EP724.52.10lbs
16EP734.5622.20lbs
16EP744.6252.20lbs
16EP754.6872.30lbs
16EP764.752.40lbs
16EP774.8122.50lbs
16EP784.8752.50lbs
16EP794.9372.60lbs
16EP8052.70lbs
16EP815.0622.70lbs
16EP825.1252.80lbs
16EP835.1872.90lbs
16EP845.252.90lbs
16EP855.3123.00lbs
16EP865.3753.10lbs
16EP875.4373.20lbs
16EP885.53.20lbs
16EP895.5623.30lbs
16EP905.6253.40lbs
16EP915.6873.50lbs
16EP925.753.50lbs
16EP935.8123.70lbs
16EP945.8753.80lbs
16EP955.9373.90lbs
16EP9664.00lbs
16EP976.0624.10lbs
16EP986.1254.20lbs
16EP996.1874.20lbs
16EP1006.254.30lbs
16EP1016.3124.40lbs
16EP1026.3754.50lbs
16EP1036.4374.60lbs
16EP1046.54.70lbs
16EP1056.5624.70lbs
16EP1066.6254.80lbs
16EP1076.6874.90lbs
16EP1086.755.00lbs
16EP1096.8125.10lbs
16EP1106.8755.20lbs
16EP1116.9375.30lbs
16EP11275.40lbs
16EP1137.0625.50lbs
16EP1147.1255.60lbs
16EP1157.1875.70lbs
16EP1167.255.80lbs
16EP1177.3125.90lbs
16EP1187.3756.00lbs
16EP1197.4376.10lbs
16EP1207.56.20lbs
16EP1217.5626.30lbs
16EP1227.6256.40lbs
16EP1237.6876.50lbs
16EP1247.756.60lbs
16EP1257.8126.70lbs
16EP1267.8756.80lbs
16EP1277.9376.90lbs
16EP12887.00lbs
16EP1298.0627.10lbs
Change Gears
12EP201.666.26lbs
12EP211.75.32lbs
12EP221.833.37lbs
12EP231.916.42lbs
12EP242.49lbs
12EP252.083.53lbs
12EP262.166.60lbs
12EP272.25.66lbs
12EP282.333.73lbs
12EP292.416.80lbs
12EP302.5.87lbs
12EP312.583.95lbs
12EP322.6661.00lbs
12EP332.751.10lbs
12EP342.8331.20lbs
12EP352.9161.20lbs
12EP3631.30lbs
12EP373.0831.40lbs
12EP383.1661.50lbs
12EP393.251.60lbs
12EP403.3331.70lbs
12EP413.4161.80lbs
12EP423.51.90lbs
12EP433.5832.00lbs
12EP443.6662.10lbs
12EP453.752.20lbs
12EP463.8332.30lbs
12EP473.9162.40lbs
12EP4842.50lbs
12EP494.0832.60lbs
12EP504.1662.70lbs
12EP514.252.80lbs
12EP524.3332.90lbs
12EP534.4163.00lbs
12EP544.53.20lbs
12EP554.5833.30lbs
12EP564.6663.40lbs
12EP574.753.60lbs
12EP584.8333.70lbs
12EP594.9163.80lbs
12EP6054.00lbs
12EP615.0834.10lbs
12EP625.1664.20lbs
12EP635.254.40lbs
12EP645.3334.50lbs
12EP655.4164.60lbs
12EP665.54.80lbs
12EP675.5834.90lbs
12EP685.6665.20lbs
12EP695.755.40lbs
12EP705.8335.50lbs
12EP715.9165.70lbs
12EP7265.80lbs
12EP736.0836.00lbs
12EP746.1666.20lbs
12EP756.256.40lbs
12EP766.3336.60lbs
12EP776.4166.80lbs
12EP786.56.90lbs
12EP796.5837.10lbs
12EP806.6667.20lbs
12EP816.757.40lbs
12EP826.8337.60lbs
12EP836.9167.80lbs
12EP8478.00lbs
12EP857.0838.20lbs
12EP867.1668.40lbs
12EP877.258.60lbs
12EP887.3338.80lbs
12EP897.4169.00lbs
12EP907.59.20lbs
12EP917.5839.40lbs
12EP927.6669.60lbs
12EP937.759.80lbs
12EP947.83310.00lbs
12EP957.91610.20lbs
12EP96810.50lbs
12EP978.08310.60lbs
12EP988.16611.00lbs
12EP998.2511.10lbs
12EP1008.33311.40lbs
12EP1018.41611.60lbs
12EP1028.511.90lbs
12EP1038.58312.20lbs
12EP1048.66612.40lbs
12EP1058.7512.60lbs
12EP1068.83312.90lbs
12EP1078.91613.10lbs
12EP108913.30lbs
12EP1099.08313.50lbs
12EP1109.16613.90lbs
12EP1119.2514.10lbs
12EP1129.33314.30lbs
12EP1139.41614.60lbs
12EP1149.514.90lbs
12EP1159.58315.10lbs
12EP1169.66615.30lbs
12EP1179.7515.60lbs
12EP1189.83315.90lbs
12EP1199.91616.20lbs
12EP1201016.50lbs
10EP202.53lbs
10EP212.1.69lbs
10EP222.2.85lbs
10EP232.3.96lbs
10EP242.41.00lbs
10EP252.51.10lbs
10EP262.61.20lbs
10EP272.71.30lbs
10EP282.81.40lbs
10EP292.91.50lbs
10EP3031.60lbs
10EP313.11.70lbs
10EP323.21.90lbs
10EP333.32.00lbs
10EP343.42.20lbs
10EP353.52.40lbs
10EP363.62.50lbs
10EP373.72.60lbs
10EP383.82.80lbs
10EP393.93.00lbs
10EP4043.20lbs
10EP414.13.40lbs
10EP424.23.60lbs
10EP434.33.70lbs
10EP444.43.90lbs
10EP454.54.10lbs
10EP464.64.30lbs
10EP474.74.50lbs
10EP484.84.70lbs
10EP494.94.90lbs
10EP5055.20lbs
10EP515.15.40lbs
10EP525.25.60lbs
10EP535.35.90lbs
10EP545.46.10lbs
10EP555.56.40lbs
10EP565.66.60lbs
10EP575.76.80lbs
10EP585.87.00lbs
10EP595.97.30lbs
10EP6067.60lbs
10EP616.17.90lbs
10EP626.28.20lbs
10EP636.38.40lbs
10EP646.48.70lbs
10EP656.59.00lbs
10EP666.69.30lbs
10EP676.79.60lbs
10EP686.89.90lbs
10EP696.910.20lbs
10EP70710.50lbs
10EP717.110.80lbs
10EP727.211.20lbs
10EP737.311.50lbs
10EP747.411.80lbs
10EP757.512.10lbs
10EP767.612.50lbs
10EP777.712.80lbs
10EP787.813.10lbs
10EP797.913.50lbs
10EP80813.90lbs
10EP818.114.40lbs
10EP828.214.80lbs
10EP838.315.10lbs
10EP848.415.40lbs
10EP858.515.70lbs
10EP868.616.10lbs
10EP878.716.50lbs
10EP888.816.80lbs
10EP898.917.20lbs
10EP90917.60lbs
10EP919.118.00lbs
10EP929.218.40lbs
10EP939.318.90lbs
10EP949.419.30lbs
10EP959.519.70lbs
10EP969.620.00lbs
10EP979.720.00lbs
10EP989.821.00lbs
10EP999.921.00lbs
10EP1001022.00lbs
8EP202.51.20lbs
8EP212.6251.30lbs
8EP222.751.50lbs
8EP232.8751.70lbs
8EP2431.90lbs
8EP253.1252.10lbs
8EP263.252.30lbs
8EP273.3752.50lbs
8EP283.52.80lbs
8EP293.6253.00lbs
8EP303.753.30lbs
8EP313.8753.50lbs
8EP3243.80lbs
8EP334.1254.10lbs
8EP344.254.40lbs
8EP354.3754.70lbs
8EP364.55.00lbs
8EP374.6255.30lbs
8EP384.755.70lbs
8EP394.8756.00lbs
8EP4056.30lbs
8EP415.1256.70lbs
8EP425.257.00lbs
8EP435.3757.40lbs
8EP445.57.80lbs
8EP455.6258.20lbs
8EP465.758.60lbs
8EP475.8759.00lbs
8EP4869.40lbs
8EP496.1259.80lbs
8EP506.2510.30lbs
8EP516.37510.70lbs
8EP526.511.10lbs
8EP536.62511.50lbs
8EP546.7512.00lbs
8EP556.87512.50lbs
8EP56713.00lbs
8EP577.12513.50lbs
8EP587.2514.00lbs
8EP597.37514.50lbs
8EP607.515.00lbs
8EP617.62515.50lbs
8EP627.7516.00lbs
8EP637.87516.60lbs
8EP64817.30lbs
8EP658.12517.80lbs
8EP668.2518.30lbs
8EP678.37518.90lbs
8EP688.519.50lbs
8EP698.62520.00lbs
8EP708.7521.00lbs
8EP718.87521.00lbs
8EP72922.00lbs
8EP739.12522.00lbs
8EP749.2523.00lbs
8EP759.37524.00lbs
8EP769.524.00lbs
8EP779.62525.00lbs
8EP789.7525.00lbs
8EP799.87527.00lbs
8EP801027.00lbs
8EP8110.12528.00lbs
8EP8210.2528.00lbs
8EP8310.37529.00lbs
8EP8410.530.00lbs
8EP8510.62531.00lbs
8EP8610.7532.00lbs
8EP8710.87532.00lbs
8EP881133.00lbs
8EP8911.12533.00lbs
8EP9011.2534.00lbs
8EP9111.37535.00lbs
8EP9211.536.00lbs
8EP9311.62537.00lbs
8EP9411.7538.00lbs
8EP9511.87539.00lbs
8EP961240.00lbs
8EP9712.12540.00lbs
8EP9812.2541.00lbs
8EP9912.37542.00lbs
8EP10012.543.00lbs




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