Home > Power Transmission > Sprockets > Metric Roller Chain Sprockets > 28B Chain Sprockets > 20-Tooth Sprocket

28B Metric Roller Chain Sprockets

28B roller chain sprockets are manufactured for metric 28B roller chain and is manufactured in accordance with ISO, DIN, and BS228 standards. All of our sprockets are precision manufactured from high-quality steel, and the majority of them are black oxide coated, and have hardened teeth on tooth counts 30 or less. Something important to know note is that on tooth counts 31 and up hardened teeth make little to no performance increase, this is why it is not standard. To get a quote on 28B sprockets or for more information please contact us and we will be happy to assist you.

28B A-Plate Sprockets


Sprocket Size Tooth Count Pitch Diameter Stock Bore Sprocket Weight (kg)
28A11 11 157.77mm 32mm 3.18
28A12 12 171.74mm 32mm 3.95
28A13 13 185.74mm 32mm 4.31
28A14 14 199.76mm 32mm 4.77
28A15 15 213.79mm 40mm 5.45
28A16 16 227.84mm 40mm 6.81
28A17 17 241.91mm 40mm 7.71
28A18 18 255.98mm 40mm 8.63
28A19 19 270.06mm 40mm 9.53
28A20 20 284.14mm 40mm 10.44
28A21 21 298.24mm 40mm 11.79
28A22 22 312.34mm 40mm 13.17
28A23 23 326.44mm 40mm 14.06
28A24 24 340.54mm 40mm 15.44
28A25 25 354.65mm 40mm 16.78
28A26 26 368.77mm 40mm 18.61
28A27 27 382.88mm 40mm 20.43
28A28 28 397.00mm 40mm 20.88
28A29 29 411.12mm 40mm 23.06
28A30 30 425.24mm 40mm 25.17
28A32 32 453.49mm 40mm 31.02
28A38 38 538.27mm 40mm 48.58
28A40 40 566.54mm 40mm 52.80
28A42 42 594.81mm 40mm 57.02
28A45 45 637.22mm 40mm 63.35
28A48 48 679.63mm 40mm 69.68
28A54 54 764.47mm 40mm 82.34
28A57 57 806.89mm 40mm 88.67
28A60 60 849.32mm 40mm 97.97
28A68 68 962.47mm 40mm 122.79
28A72 72 1019.04mm 40mm 135.19
28A76 76 1075.62mm 40mm 147.60
28A95 95 1344.39mm 40mm 206.53
28A96 96 1358.53mm 40mm 209.63
28A114 114 1613.18mm 40mm 265.46

28B B-Hub Sprockets


Sprocket Size Tooth Count Pitch Diameter Stock Bore Max. Bore Hub Diameter (H) Length Thru Bore (L) Weight (kg)
28B11 11 157.77mm 40mm 73mm 112mm 70mm 5.27
28B12 12 171.74mm 40mm 84mm 125mm 70mm 6.40
28B13 13 185.74mm 40mm 93mm 140mm 70mm 8.22
28B14 14 199.76mm 40mm 93mm 140mm 60mm 9.13
28B15 15 213.79mm 40mm 108mm 160mm 60mm 11.40
28B16 16 227.84mm 40mm 108mm 160mm 64mm 12.76
28B17 17 241.91mm 40mm 108mm 160mm 64mm 13.65
28B18 18 255.98mm 40mm 108mm 160mm 64mm 15.01
28B19 19 270.06mm 40mm 108mm 160mm 64mm 16.84
28B20 20 284.14mm 40mm 108mm 160mm 64mm 18.19
28B21 21 298.24mm 40mm 108mm 160mm 64mm 19.11
28B22 22 312.34mm 40mm 108mm 160mm 64mm 20.46
28B23 23 326.44mm 40mm 108mm 160mm 64mm 21.84
28B24 24 340.54mm 40mm 108mm 160mm 64mm 22.73
28B25 25 354.65mm 40mm 108mm 160mm 64mm 26.83
28B26 26 368.77mm 40mm 108mm 160mm 64mm 27.74
28B27 27 382.88mm 40mm 108mm 160mm 64mm 30.29
28B28 28 397.00mm 40mm 108mm 160mm 64mm 31.74
28B29 29 411.12mm 40mm 108mm 160mm 64mm 32.73
28B30 30 425.24mm 40mm 108mm 160mm 64mm 34.84
28B32 32 453.49mm 40mm 134mm 180mm 76mm 51.25

28B C-Hub Sprockets


Sprocket Size Tooth Count Pitch Diameter Stock Bore Max. Bore Hub Diameter (H) Length Thru Bore (L) Weight (kg)
28C38 38 538.27mm 40mm 134mm 178mm 102mm 52.84
28C40 40 566.54mm 40mm 134mm 178mm 102mm 54.43
28C42 42 594.81mm 40mm 134mm 178mm 102mm 60.55
28C45 45 637.22mm 40mm 134mm 178mm 102mm 62.72
28C48 48 679.63mm 40mm 134mm 178mm 102mm 74.60
28C54 54 764.47mm 40mm 134mm 178mm 127mm 81.77
28C57 57 806.89mm 40mm 134mm 178mm 127mm 88.94
28C60 60 849.32mm 40mm 134mm 178mm 127mm 108.05
28C68 68 962.47mm 40mm 134mm 191mm 127mm 117.61
28C72 72 1019.04mm 40mm 134mm 191mm 127mm 127.17
28C76 76 1075.62mm 40mm 134mm 191mm 127mm 127.17
28C95 95 1344.39mm 40mm 134mm 191mm 127mm 172.57
28C96 96 1358.53mm 40mm 134mm 191mm 127mm 174.96
28C114 114 1613.18mm 40mm 134mm 191mm 127mm 217.97

28B Taper Bushed Sprockets


Sprocket Size Tooth Count Pitch Diameter Bushing Size Max. Bushing Bore (L) (C) Sprocket Weight (kg) Bushing Weight (kg)
28BTB11H 11 157.80mm 2517 63.50mm 44.45mm 107.95mm 3.53 1.59
28BTB12H 12 170.80mm 2517 63.50mm 44.45mm 107.95mm 3.86 1.59
28BTB13H 13 185.80mm 3020 76.20mm 50.80mm 133.35mm 5.90 2.95
28BTB14H 14 199.80mm 3020 76.20mm 50.80mm133.35mm7.04 2.95
28BTB15H 15 213.80mm 3020 76.20mm 50.80mm133.35mm8.17 2.95
28BTB16H 16 227.90mm 3020 76.20mm 50.80mm133.35mm9.79 2.95
28BTB17H 17 241.90mm 3020 76.20mm 50.80mm133.35mm11.35 2.95
28BTB18H 18 256.00mm 3020 76.20mm 50.80mm133.35mm12.49 2.95
28BTB19H 19 270.10mm 3020 76.20mm 50.80mm133.35mm13.62 2.95
28BTB20H 20 284.10mm 3020 76.20mm 50.80mm133.35mm14.30 2.95
28BTB21H 21 298.30mm 3020 76.20mm 50.80mm133.35mm14.98 2.95
28BTB22H 22 312.30mm 3020 76.20mm 50.80mm133.35mm16.91 2.95
28BTB23H 23 326.40mm 3020 76.20mm 50.80mm133.35mm18.84 2.95
28BTB24H 24 340.50mm 3020 76.20mm 50.80133.35mm20.77 2.95
28BTB25H 25 354.70mm 3020 76.20mm 50.80133.35mm22.70 2.95
28BTB26H 26 368.80mm 3020 76.20mm 50.80133.35mm24.63 2.95
28BTB27H 27 382.90mm 3020 76.20mm 50.80133.35mm26.56 2.95
28BTB28H 28 397.00mm 3020 76.20mm 50.80133.35mm28.49 2.95
28BTB30H 30 425.20mm 3020 76.20mm 50.80133.35mm32.35 2.95
28BTB32H 32 453.49mm 3020 76.20mm 50.80133.35mm36.21 2.95
28CTB38H 38 538.30mm 3535 88.90mm 88.90 165.10mm 45.40 6.36
28CTB40H 40 566.55mm 3535 88.90mm 88.90165.10mm47.79 6.36
28CTB42H 42 594.82mm 3535 88.90mm 88.90165.10mm50.18 6.36
28CTB45H 45 637.21mm 4040 101.60mm 101.60219.08mm 57.35 9.99
28CTB48H 48 679.63mm 4040 101.60mm 101.60219.08mm61.17 9.99
28CTB54H 54 764.46mm 4040 101.60mm 101.60219.08mm68.82 9.99
28CTB57H 57 806.90mm 4040 101.60mm 101.60219.08mm72.64 9.99
28CTB60H 60 849.33mm 4040 101.60mm 101.60219.08mm76.44 9.99
28CTB68H 68 962.46mm 4040 101.60mm 101.60219.08mm86.63 9.99
28CTB72H 72 1019.05mm 4040 101.60mm 101.60219.08mm91.73 9.99
28CTB76H 76 1075.60mm 4040 101.60mm 101.60219.08mm96.83 9.99
28CTB95H 95 1344.37mm 4040 101.60mm 101.60219.08mm121.03 9.99
28CTB96H 96 1358.52mm 4040 101.60mm 101.60219.08mm122.31 9.99
28CTB114114 1613.18mm 4040 101.60mm 101.60219.08mm145.24 9.99


Sort By:
1
   
 
1