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20B-3 Metric Roller Chain Sprockets

20B-3 roller chain sprockets are manufactured for metric 20B-3 roller chain and are manufactured in accordance with ISO, DIN, and BS228 standards. Our sprockets are precision manufactured from high-quality steel, directly interchange with other manufactures, and are engineered for superb performance and durability. Common styles of these sprockets include B-Hub, C-Hub, and taper bushed type but others are available upon request. The below charts show our standard sizes for 20B-3 sprockets, if you don't see the exact sprocket you need we also custom manufacture sprockets. To get a quote on 20B-3 sprockets or for more information please contact us and we will be happy to assist you.

20B-3 B-Hub Sprockets


Sprocket Size
Tooth Count
Pitch Diameter
Stock Bore
Maximum Bore
Hub Diameter (H)
Length Thru Bore (L)
Sprocket Weight (kg)
E20B10 10 102.75mm 25mm 47mm 69mm 110mm 3.95
E20B11 11 112.70mm 25mm 52mm 79mm 115mm 5.26
E20B12 12 122.67mm 25mm 60mm 90mm 115mm 6.21
E20B13 13 132.67mm 25mm 64mm 100mm 115mm 9.26
E20B14 14 142.68mm 25mm 73mm 110mm 115mm 9.76
E20B15 15 152.71mm 25mm 80mm 120mm 115mm 10.81
E20B16 16 162.75mm 25mm 80mm 120mm 115mm 12.76
E20B17 17 172.79mm 25mm 80mm 120mm 115mm 14.76
E20B18 18 182.84mm 25mm 80mm 120mm 115mm 16.71
E20B19 19 192.90mm 25mm 80mm 120mm 115mm 19.13
E20B20 20 202.96mm 25mm 80mm 120mm 115mm 21.57
E20B21 21 213.03mm 25mm 92mm 140mm 115mm 23.36
E20B22 22 223.10mm 25mm 92mm 140mm 115mm 25.65
E20B23 23 233.17mm 25mm 92mm 140mm 115mm 27.90
E20B24 24 243.25mm 32mm 95mm 145mm 120mm 27.19
E20B25 25 253.32mm 32mm 95mm 145mm 120mm 27.90
E20B26 26 263.41mm 32mm 95mm 145mm 120mm 31.90
E20B27 27 273.49mm 32mm 95mm 145mm 120mm 35.90
E20B28 28 283.57mm 32mm 95mm 145mm 120mm 39.90
E20B30 30 303.75mm 32mm 95mm 145mm 120mm 47.90
E20B32 32 323.92mm 32mm 95mm 145mm 127mm 51.57

20B-3 C-Hub Sprockets
Sprocket Size
Tooth Count
Pitch Diameter
Stock Bore
Maximum Bore
Hub Diameter (H)
Length Thru Bore (L)
Sprocket Weight (kg)
E20C35 35 354.20mm 32mm 97mm 152mm 127mm 57.29
E20C36 36 364.29mm 32mm 97mm 152mm 127mm 59.35
E20C38 38 384.48mm 40mm 97mm 152mm 127mm 62.56
E20C42 42 424.86mm 40mm 97mm 152mm 127mm 70.12
E20C45 45 455.15mm 40mm 97mm 152mm 127mm 75.84
E20C57 57 576.35mm 40mm 102mm 191mm 127mm 100.11
E20C60 60 606.66mm 40mm 102mm 191mm 127mm 104.86
E20C68 68 687.48mm 40mm 102mm 191mm 127mm 117.54
E20C76 76 768.30mm 40mm 102mm 191mm 127mm 130.21
E20C80 80 808.71mm 40mm 102mm 191mm 127mm 136.55
E20C95 95 960.28mm 40mm 102mm 191mm 127mm 160.31
E20C114 114 1152.27mm 40mm 102mm 191mm 127mm 190.41


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Metric E20B10 Sprocket Metric E20B11 Sprocket Metric E20B12 Sprocket Metric E20B13 Sprocket
Metric E20B14 Sprocket Metric E20B15 Sprocket Metric E20B16 Sprocket Metric E20B17 Sprocket
Metric E20B18 Sprocket Metric E20B19 Sprocket Metric E20B20 Sprocket Metric E20B21 Sprocket
Metric E20B22 Sprocket Metric E20B23 Sprocket Metric E20B24 Sprocket Metric E20B25 Sprocket
   
 
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