simplex Sprockets with hub (B)20B-1 (31.75X19.56mm)
simplex Sprockets with hub (B)20B-1 (31.75X19.56mm)

Item specifics

Material:
alloy steel
Heat Treatment:
Through hardening
Color:
Zincplated,Nickel Plated,Black Finished
Shipping:
Support Sea freight.Express.Land freight.

Product review

Description

Pitch
31.75
Rollerφ
19.05
r
32
C
3.5
h1
18.5


Z
De
Dp
Simplex
d
D
H
mm
mm
mm
mm
mm
8
98.1
82.96
53
20
40
9
108.0
92.84
63
20
40
10
117.9
102.74
70
20
40
11
127.8
112.68
77
20
45
12
137.8
122.68
88
20
45
13
147.8
132.65
98
20
45
14
157.8
142.68
108
20
45
15
167.9
152.72
118
20
45
16
177.9
162.75
120
25
50
17
187.9
172.78
120
25
50
18
198.0
182.85
120
25
50
19
208.1
192.91
120
25
50
20
218.1
202.98
120
25
50
21
228.2
213.04
140
25
55
22
238.2
223.11
140
25
55
23
248.3
233.17
140
25
55
24
258.4
243.23
140
25
55
25
268.5
253.33
140
25
55
26
278.6
263.40
150
25
55
27
288.6
273.48
150
25
55
28
298.7
283.56
150
25
55
29
308.8
293.65
150
25
55
30
318.9
303.75
150
25
55
31
329.0
313.85
150
25
55
32
339.1
323.91
150
25
55
33
349.2
334.01
150
25
55
34
359.3
334.10
150
25
55
35
369.4
354.20
150
25
55
36
379.5
364.30
150
25
55
37
389.5
374.39
150
25
55
38
399.6
384.49
150
25
55
39
409.7
394.59
150
25
55
40
419.8
404.56
150
25
55
42
440.0
424.88
160
30
80
45
470.3
455.17
160
30
80
46
480.4
465.26
160
25
80
48
500.6
485.46
160
25
80
50
520.8
505.65
160
25
80
57
591.5
576.36
160
30
80
60
621.8
606.65
160
30
80
76
783.5
768.32
160
30
80
95
975.2
960.28
168
30
93

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.