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120-4 Chain Sprockets

Our four-strand 120-4 Roller Chain Sprockets are manufactured in accordance with ANSI B29 standards and boast high-precision tolerances for dependable and consistent performance with the 1.50" pitch chain. We also stock 120-4 roller chain and a wide range of other components such as v-belt pulleys, electric motors, gear reducers, bearings, and more! The below chart shows standard 120-4 chain sprockets but we also supply custom roller chain sprockets and specific bore sprockets. For more information or to get a quote please contact us and we will be happy to assist you!

120-4 Quadruple Sprocket Size Chart

120-4 B-Hub Sprockets


Sprocket Size Tooth Count Outside Diameter Stock Bore Max. Recommended Bore Hub Diameter Length Thru Bore Weight (LBS)
F120B12 12 6.500" 1-1/2" 2-7/16" 4-1/16" 7-3/8" 35.9
F120B13 13 6.990" 1-1/2" 2-13/16" 4-9/16" 7-3/8" 43.4
F120B14 14 7.470" 1-1/2" 3" 5" 7-3/8" 52.9
F120B15 15 7.960" 1-1/2" 3-3/8" 5-1/2" 7-3/8" 62.5
F120B16 16 8.440" 1-1/2" 3-3/8" 5-1/2" 7-3/8" 71.3
F120B17 17 8.880" 1-1/2" 4-3/8" 5-1/2" 7-1/2" 81.8
F120B18 18 9.410" 1-11/16" 4-3/8" 6-1/2" 7-1/2" 102.0
F120B19 19 9.890" 1-11/16" 4-3/8" 6-1/2" 8" 112.0
F120B20 20 10.370" 2-3/16" 4-3/8" 6-1/2" 8" 122.0
F120B21 21 10.850" 2-3/16" 4-3/8" 6-1/2" 8" 136.0
F120B22 22 11.330" 2-3/16" 4-3/8" 6-1/2" 8" 150.0
F120B23 23 11.810" 2-5/16" 4-3/8" 6-1/2" 8" 164.0
F120B24 24 12.290" 2-3/16" 4-1/2" 7" 8" 181.0
F120B25 25 12.270" 2-3/16" 4-1/2" 7" 8" 199.0
F120B26 26 13.250" 2-3/16" 4-1/2" 7" 8" 215.0
F120B27 27 13.730" 2-3/16" 4-1/2" 7" 8" 233.0
F120B28 28 14.210" 2-3/16" 4-1/2" 7" 8" 252.0
F120B30 30 15.170" 2-3/16" 4-1/2" 7" 8" 292.0
F120B32 32 16.130" 2-15/16" 4-1/2" 7" 8" 326.0
F120B35 35 17.570" 2-15/16" 5-1/4" 8" 8" 395.0
F120B36 36 18.050" 2-15/16" 5-1/4" 8" 8" 419.0
F120B40 40 19.960" 2-15/16" 5-1/4" 8" 8" 523.0

120-4 C-Hub Sprockets


Sprocket Size Tooth Count Outside Diameter Stock Bore Max. Recommended Bore Hub Diameter Length Thru Bore Weight (LBS)
F120C42 42 20.920" 2-15/16" 5-1/4" 8" 7-3/4" 254.0
F120C45 45 22.350" 2-15/16" 5-1/4" 8" 7-3/4" 275.0
F120C48 48 23.790" 2-15/16" 5-1/4" 8" 7-3/4" 293.0
F120C54 54 26.650" 2-15/16" 5-1/4" 8" 7-3/4" 335.0
F120C60 60 29.520" 2-15/16" 6-3/8" 8" 7-3/4" 416.0




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Four Strand F120B18 Sprocket
   
 
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