China Custom 12B Chain Sprockets near me factory

12B roller chain sprockets are manufactured for metric 12B roller chain and are manufactured in accordance with ISO, DIN, and BS228/3 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 12B sprockets, if you don’t see the exact sprocket you need we also custom manufacture sprockets.

12B A-Plate Sprockets:


Sprocket Size Tooth Count Pitch Diameter Stock Bore Sprocket Weight (kg)

12B B-Hub Sprockets:


Sprocket Size Tooth Count Pitch Diameter Stock Bore Maximum Bore Hub Diameter Length Thru Bore (LTB) Sprocket Weight (kg)

12B Taper Bushed Sprockets:


Sprocket Size Tooth Count Pitch Diameter Bushing Number Bushing Max. Bore Dimension (L) Dimension (C) Sprocket Weight (kg) Bushing Weight (kg)
12BTB11H 11 67.62mm 1008 25.40mm 22.23mm 46.04mm 0.27 0.14
12BTB12H 12 73.61mm 1008 25.40mm 22.23mm 49.21mm 0.36 0.14
12BTB13H 13 79.60mm 1210 31.75mm 25.40mm 62.69mm 0.41 0.27
12BTB14H 14 85.61mm 1210 31.75mm 25.40mm 62.69mm 0.45 0.27
12BTB15H 15 91.63mm 1610 41.28mm 25.40mm 70.64mm 0.54 0.41
12BTB16H 16 97.65mm 1610 41.28mm 25.40mm 76.20mm 0.73 0.41
12BTB17H 17 103.67mm 1610 41.28mm 25.40mm 82.55mm 0.82 0.41
12BTB18H 18 109.70mm 1610 41.28mm 25.40mm 82.55mm 0.91 0.41
12BTB19H 19 115.74mm 1610 41.28mm 25.40mm 82.55mm 1.00 0.41
12BTB20H 20 121.78mm 2012 50.80mm 31.75mm 90.47mm 1.00 0.77
12BTB21H 21 127.82mm 2012 50.80mm 31.75mm 90.47mm 1.18 0.77
12BTB22H 22 133.86mm 2012 50.80mm 31.75mm 90.47mm 1.27 0.77
12BTB23H 23 139.90mm 2012 50.80mm 31.75mm 90.47mm 1.27 0.77
12BTB24H 24 145.95mm 2012 50.80mm 31.75mm 90.47mm 1.50 0.77
12BTB25H 25 151.99mm 2012 50.80mm 31.75mm 90.47mm 1.74 0.77
12BTB26H 26 158.04mm 2012 50.80mm 31.75mm 90.47mm 1.74 0.77
12BTB27H 27 164.09mm 2012 50.80mm 31.75mm 90.47mm 1.80 0.77
12BTB28H 28 170.14mm 2012 50.80mm 31.75mm 90.47mm 2.04 0.77
12BTB30H 30 182.25mm 2012 50.80mm 31.75mm 90.47mm 2.32 0.77
12BTB32 32 194.35mm 2012 50.80mm 31.75mm 90.47mm 2.48 0.77
12BTB35 35 212.52mm 2012 50.80mm 31.75mm 90.47mm 2.71 0.77
12BTB36 36 218.57mm 2012 50.80mm 31.75mm 90.47mm 2.78 0.77
12BTB38 38 230.69mm 2012 50.80mm 31.75mm 90.47mm 3.36 0.77
12BTB40 40 242.80mm 2012 50.80mm 31.75mm 90.47mm 3.53 0.77
12BTB42 42 254.92mm 2012 50.80mm 31.75mm 90.47mm 3.71 0.77
12BTB45 45 273.09mm 2012 50.80mm 31.75mm 90.47mm 3.98 0.77
12BTB48 48 291.27mm 2012 50.80mm 31.75mm 90.47mm 4.24 0.77
12BTB54 54 327.63mm 2517 63.50mm 44.45mm 107.95mm 8.30 1.59
12BTB57 57 345.81mm 2517 63.50mm 44.45mm 107.95mm 8.76 1.59
12BTB60 60 363.99mm 2517 63.50mm 44.45mm 107.95mm 9.22 1.59
12BTB68 68 412.49mm 2517 63.50mm 44.45mm 107.95mm 10.45 1.59
12BTB70 70 424.61mm 2517 63.50mm 44.45mm 107.95mm 10.76 1.59
12BTB72 72 436.73mm 2517 63.50mm 44.45mm 107.95mm 11.06 1.59
12BTB76 76 460.98mm 2517 63.50mm 44.45mm 107.95mm 11.68 1.59
12BTB84 84 509.48mm 2517 63.50mm 44.45mm 107.95mm 12.91 1.59
12BTB95 95 576.17mm 2517 63.50mm 44.45mm 107.95mm 14.60 1.59
12BTB96 96 582.23mm 2517 63.50mm 44.45mm 107.95mm 14.75 1.59
12BTB114 114 691.36mm 2517 63.50mm 44.45mm 107.95mm 17.52 1.59
Tags：12b chain | chain | china chain | custom sprockets | sprockets chain

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