12B-3 roller chain sprockets are produced for metric 12B-3 roller chain and are manufactured in accordance with ISO, DIN, and BS228/3 requirements. Our sprockets are precision manufactured from higher-good quality steel, straight interchange with other manufactures, and are engineered for fantastic functionality and sturdiness. Common styles of these sprockets contain B-Hub, C-Hub, and taper bushed kind but others are offered upon request.
12B-3 B-Hub & C-Hub Sprockets:
Sprocket Dimensions | Tooth Rely | Pitch Diameter | Inventory Bore | Greatest Bore | Hub Diameter (H) | Size Through Bore (L) | Sprocket Weight (kg) |
---|---|---|---|---|---|---|---|
E12B11 | eleven | 67.62mm | 20mm | 32mm | 47mm | 70mm | 1.13 |
E12B12 | twelve | 73.60mm | 20mm | 36mm | 53mm | 70mm | one.50 |
E12B13 | thirteen | seventy nine.60mm | 20mm | 38mm | 59mm | 70mm | 1.seventy seven |
E12B14 | fourteen | 85.61mm | 20mm | 42mm | 65mm | 70mm | |
E12B15 | 15 | ninety one.63mm | 20mm | 45mm | 71mm | 70mm | 2.forty five |
E12B16 | sixteen | ninety seven.65mm | 20mm | 51mm | 77mm | 70mm | two.95 |
E12B17 | seventeen | 103.67mm | 20mm | 54mm | 83mm | 70mm | three.forty nine |
E12B18 | 18 | 109.70mm | 20mm | 60mm | 89mm | 70mm | three.86 |
E12B19 | 19 | one hundred fifteen.74mm | 20mm | 62mm | 95mm | 70mm | four.54 |
E12B20 | 20 | 121.78mm | 20mm | 64mm | 100mm | 70mm | 5.08 |
E12B21 | 21 | 127.82mm | 20mm | 64mm | 100mm | 70mm | five.sixty seven |
E12B22 | 22 | 133.86mm | 20mm | 64mm | 100mm | 70mm | 5.99 |
E12B23 | 23 | 139.90mm | 20mm | 73mm | 110mm | 70mm | six.sixty two |
E12B24 | 24 | a hundred forty five.95mm | 20mm | 73mm | 110mm | 70mm | seven.17 |
E12B25 | twenty five | 151.99mm | 20mm | 80mm | 120mm | 70mm | 7.seventy one |
E12B26 | 26 | 158.04mm | 20mm | 80mm | 120mm | 70mm | 8.forty four |
E12B27 | 27 | 164.09mm | 20mm | 80mm | 120mm | 70mm | 8.99 |
E12B28 | 28 | a hundred and seventy.14mm | 20mm | 80mm | 120mm | 70mm | 9.49 |
E12B29 | 29 | 176.19mm | 20mm | 80mm | 120mm | 70mm | 9.99 |
E12B30 | 30 | 182.25mm | 20mm | 80mm | 120mm | 70mm | ten.53 |
E12B35 | 35 | 212.52mm | 25mm | 85mm | 130mm | 70mm | eighteen.ninety five |
E12B36 | 36 | 218.57mm | 25mm | 85mm | 130mm | 70mm | 19.49 |
E12B38 | 38 | 230.69mm | 25mm | 85mm | 130mm | 70mm | 20.fifty seven |
E12B45 | forty five | 273.10mm | 25mm | 85mm | 130mm | 70mm | 24.36 |
E12B48 | 48 | 291.27mm | 25mm | 85mm | 130mm | 70mm | twenty five.ninety eight |
E12C57 | fifty seven | 345.81mm | 32mm | 82mm | 130mm | 85mm | 33.73 |
E12C60 | 60 | 363.99mm | 32mm | 82mm | 130mm | 85mm | 35.51 |
E12C68 | 68 | 412.49mm | 32mm | 82mm | 130mm | 85mm | forty.24 |
E12C76 | seventy six | 460.98mm | 40mm | 95mm | 140mm | 85mm | 37.19 |
E12C80 | 80 | 485.23mm | 40mm | 95mm | 140mm | 85mm | 39.15 |
E12C95 | 95 | 576.17mm | 40mm | 95mm | 140mm | 100mm | 47.sixty three |
12B-3 Taper Bushed Sprockets:
 
 
 
 
 
 
 
Sprocket Dimension | Tooth Depend | Pitch Diameter | Bushing Dimension | Max. Bushing Bore | Dimension (H) | Duration Via bore (L) | Sprocket Fat (kg) |
---|---|---|---|---|---|---|---|
E12ATB17 | 17 | 103.67mm | 2012 | 50mm | — | 31.8mm | 1.28 |
E12ATB19 | 19 | one hundred fifteen.75mm | 2012 | 50mm | — | 31.8mm | 2.02 |
E12ATB21 | 21 | 127.82mm | 2517 | 65mm | — | forty four.5mm | two.09 |
E12ATB23 | 23 | 139.90mm | 2517 | 65mm | — | 44.5mm | 3.00 |
E12ATB25 | twenty five | 152.00mm | 2517 | 65mm | — | forty four.5mm | 3.ninety seven |
E12BTB27 | 27 | 164.09mm | 3020 | 75mm | 144mm | fifty one.0mm | three.eighty three |
E12BTB30 | thirty | 182.25mm | 3020 | 75mm | 143mm | 51.0mm | five.seventy two |
E12BTB38 | 38 | 230.69mm | 3020 | 75mm | 152mm | 51.0mm | seven.76 |
E12CTB45 | 45 | 273.10mm | 3020 | 75mm | 160mm | 51.0mm | ten.04 |
E12CTB57 | 57 | 345.81mm | 3020 | 75mm | 160mm | fifty one.0mm | 14.42 |
E12CTB76 | 76 | 460.99mm | 3020 | 75mm | 160mm | fifty one.0mm | 25.50 |
E12CTB95 | ninety five | 576.17mm | 3020 | 75mm | 160mm | 51.0mm | 36.fifty eight |
E12CTB114 | 114 | 691.36mm | 3020 | 75mm | 160mm | fifty one.0mm | 47.66 |