20B-2 Metric Roller Chain Sprockets
20B-2 roller chain sprockets are manufactured for metric 20B-2 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-2 sprockets, if you don't see the exact sprocket you need we also custom manufacture sprockets. To get a quote on 20B-2 sprockets or for more information please contact us and we will be happy to assist you.20B-2 B-Hub Sprockets

|
Tooth Count
|
Pitch Diameter
|
Stock Bore
|
Maximum Bore
|
Hub Diameter (H)
|
Length Thru Bore (L)
|
Sprocket Weight (kg)
|
---|---|---|---|---|---|---|---|
10 | 102.75mm | 20mm | 45mm | 69mm | 75mm | 2.90 | |
11 | 112.70mm | 20mm | 52mm | 79mm | 80mm | 3.67 | |
12 | 122.67mm | 20mm | 60mm | 90mm | 80mm | 4.31 | |
13 | 132.67mm | 20mm | 64mm | 100mm | 80mm | 5.53 | |
14 | 142.68mm | 20mm | 73mm | 110mm | 80mm | 6.62 | |
15 | 152.71mm | 20mm | 80mm | 120mm | 80mm | 7.76 | |
16 | 162.75mm | 25mm | 80mm | 120mm | 80mm | 9.12 | |
17 | 172.79mm | 25mm | 80mm | 120mm | 80mm | 10.44 | |
18 | 182.84mm | 25mm | 80mm | 120mm | 80mm | 11.71 | |
19 | 192.90mm | 25mm | 80mm | 120mm | 80mm | 12.92 | |
20 | 202.96mm | 25mm | 80mm | 120mm | 80mm | 15.43 | |
21 | 213.03mm | 25mm | 92mm | 140mm | 80mm | 16.55 | |
22 | 223.10mm | 25mm | 92mm | 140mm | 80mm | 17.70 | |
23 | 233.17mm | 25mm | 92mm | 140mm | 80mm | 19.05 | |
24 | 243.25mm | 32mm | 96mm | 145mm | 80mm | 20.43 | |
25 | 253.32mm | 32mm | 96mm | 145mm | 80mm | 21.77 | |
26 | 263.41mm | 32mm | 96mm | 145mm | 80mm | 23.15 | |
27 | 273.49mm | 32mm | 96mm | 145mm | 80mm | 24.97 | |
|
28 | 283.57mm | 32mm | 96mm | 145mm | 80mm | 26.78 |
30 | 303.75mm | 32mm | 96mm | 145mm | 80mm | 30.41 | |
32 | 323.92mm | 32mm | 96mm | 145mm | 80mm | 32.22 |
20B-2 C-Hub Sprockets

|
Tooth Count
|
Pitch Diameter
|
Stock Bore
|
Maximum Bore
|
Hub Diameter (H)
|
Length Thru Bore (L)
|
Sprocket Weight (kg)
|
---|---|---|---|---|---|---|---|
35 | 354.20mm | 32mm | 100mm | 152mm | 108mm | 34.02 | |
36 | 364.29mm | 32mm | 100mm | 152mm | 108mm | 34.70 | |
38 | 384.48mm | 32mm | 100mm | 152mm | 114mm | 43.72 | |
42 | 424.86mm | 40mm | 100mm | 152mm | 114mm | 43.55 | |
45 | 455.15mm | 40mm | 100mm | 152mm | 114mm | 46.72 | |
57 | 576.35mm | 40mm | 100mm | 191mm | 127mm | 64.10 | |
60 | 606.66mm | 40mm | 125mm | 191mm | 127mm | 79.38 | |
68 | 687.48mm | 40mm | 125mm | 191mm | 127mm | 87.74 | |
76 | 768.30mm | 40mm | 125mm | 191mm | 127mm | 96.11 | |
80 | 808.71mm | 40mm | 125mm | 191mm | 127mm | 100.30 | |
95 | 960.28mm | 40mm | 125mm | 191mm | 127mm | 115.98 | |
D20C114 | 114 | 1152.26mm | 40mm | 125mm | 191mm | 127mm | 135.85 |
Requesting 20B-2 Sprockets
To get a quote on 20B-2 sprockets give us a call, send us an email, or fill out the request for quote form and someone from our customer service team will contact you.