Duplex sprockets with hub (B)20B-2 | double strand roller chain sprockets | type b sprockets
Item specifics
- Material：
- Carbon Steel C45
- Heat Treatment：
- Through hardening
- Color:
- Zincplated,Nickel Plated,Black Finished
- Shipping:
- Support Sea freight.Express.Land freight.
Review
Description
Duplex sprockets with hub (B)20B-2 (31.75X19.56mm) | double strand roller chain sprockets | type b sprockets
Pitch |
31.75
|
||
Rollerφ |
19.05
|
||
r |
32
|
||
C |
3.5
|
||
h1 | 18.5 | ||
L | 18.2 | ||
h2 | 54.6 |
Z | De | Dp | Duplex |
||
d | D | H | |||
mm | mm | mm | mm | mm | |
8 | 98.1 | 82.96 | 53 | 20 | 75 |
9 | 108.0 | 92.84 | 63 | 20 | 75 |
10 | 117.9 | 102.74 | 70 | 20 | 75 |
11 | 127.8 | 112.68 | 80 | 20 | 80 |
12 | 137.8 | 122.68 | 90 | 20 | 80 |
13 | 147.8 | 132.65 | 100 | 20 | 80 |
14 | 157.8 | 142.68 | 110 | 20 | 80 |
15 | 167.9 | 152.72 | 120 | 20 | 80 |
16 | 177.9 | 162.75 | 120 | 25 | 80 |
17 | 187.9 | 172.78 | 120 | 25 | 80 |
18 | 198.0 | 182.85 | 120 | 25 | 80 |
19 | 208.1 | 192.91 | 120 | 25 | 80 |
20 | 218.1 | 202.98 | 120 | 25 | 80 |
21 | 228.2 | 213.04 | 140 | 25 | 80 |
22 | 238.2 | 223.11 | 140 | 25 | 80 |
23 | 248.3 | 233.17 | 140 | 25 | 80 |
24 | 258.4 | 243.23 | 140 | 25 | 80 |
25 | 268.5 | 253.33 | 140 | 25 | 80 |
26 | 278.6 | 263.40 | 150 | 25 | 80 |
27 | 288.6 | 273.48 | 150 | 25 | 80 |
28 | 298.7 | 283.56 | 150 | 25 | 80 |
29 | 308.8 | 293.65 | 150 | 25 | 80 |
30 | 318.9 | 303.75 | 150 | 25 | 80 |
31 | 329.0 | 313.85 | 150 | 25 | 80 |
32 | 339.1 | 323.91 | 150 | 25 | 80 |
33 | 349.2 | 334.01 | 150 | 25 | 80 |
34 | 359.3 | 334.10 | 150 | 25 | 80 |
35 | 369.4 | 354.20 | 150 | 25 | 80 |
36 | 379.5 | 364.30 | 150 | 30 | 80 |
37 | 389.5 | 374.39 | 150 | 30 | 80 |
38 | 399.6 | 384.49 | 150 | 30 | 80 |
39 | 409.7 | 394.59 | 150 | 30 | 80 |
40 | 419.8 | 404.56 | 150 | 30 | 80 |
42 | 440.0 | 424.88 | / | / | / |
45 | 470.3 | 455.17 | 160 | 30 | 101 |
46 | 480.4 | 465.26 | 160 | 30 | 101 |
48 | 500.6 | 485.46 | / | / | / |
50 | 520.8 | 505.65 | 160 | 30 | 101 |
57 | 591.5 | 576.36 | 180 | 40 | 116 |
60 | 621.8 | 606.65 | / | / | / |
76 | 783.5 | 768.32 | 180 | 40 | 116 |
95 | 975.2 | 960.28 | 200 | 40 | 116 |
Zmie has 2 kinds of sprockets, one is a plate wheel, flat and no hub, they are usually mounted on flanges or hubs of the device they are driving through a series of holes that ae plain or tapered.
Zmie sprockets has a wide range of standard sprockets, convering sprockets and plate wheels in sizes 03 B-1 to 32 B-3. Furthermore, Zmie provides fully finished bore sprockets manufactured according to customer designs and drawings.
