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50 SPROCKETS

No.    of  Teeth
Outside    Diam.    OD
Pitch Diam. P.C.D.
Bottom or Caliper Diam.
Stock  Bore
Type"B"SINGLE STRAND
Type"A"
Type"B"DOUBLE STRAND
HUB
BORE
Wt.    kg
Material
stock   d
Wt.    kg
Material
HUB
BORE
Wt.    kg
Material
Diam.BD
length Thru Bore BL
Min.
Max.
Diam.BD
length Thru Bore BL
Min.
Max.
8
48
41.5
31.3
11.5
22
25
13.5
13.5
0.12
S45C
SS41
S45C
9
53
46.4
35.6
11.5
34
25
1.35
18
0.2
10
58
51.4
41.2
14.5
40
25
16.5
22
0.27
16.5
0.14
35
40
16
20
0.5
11
64
56.4
45.6
14.5
45.5
25
16.5
28
0.33
16.5
0.17
40
40
16
22
0.5
12
69
61.3
51.2
14.5
50
25
16.5
30
0.41
16.5
0.2
42
40
16
25
0.62
13
74
66.3
55.7
14.5
51
25
16.5
32
0.46
16.5
0.23
49
40
16
30
0.75
14
79
71.3
61.2
14.5
52
25
16.5
32
0.52
16.5
0.27
54
40
16
32
0.9
15
84
76.4
65.8
14.5
57
25
16.5
35
0.62
16.5
0.3
59
40
16
38
1.1
16
89
81.4
71.2
14.5
62
25
16.5
40
0.72
16.5
0.35
64
45
16
42
1.4
17
94
86.4
75.9
14.5
67
25
16.5
45
0.83
16.5
0.4
68
45
16
45
1.6
18
100
91.4
81.3
14.5
72
28
16.5
48
1
16.5
0.45
74
45
16
48
1.8
19
105
96.5
86
14.5
73
28
16.5
48
1.1
16.5
0.48
79
45
16
55
2.1
20
110
101
91.3
14.5
73
28
16.5
48
1.2
16.5
0.5
84
45
20
57
2.3
21
115
107
96.1
14.5
73
28
16.5
48
1.2
16.5
0.6
89
45
20
60
2.6
22
120
112
101
16
73
28
18
48
1.3
18
0.66
94
50
20
63
3
23
125
117
106
16
73
28
18
48
1.3
18
0.72
99
50
20
66
3.5
24
130
122
111
16
73
28
18
48
1.4
18
0.78
105
50
20
70
3.8
25
135
127
116
16
73
28
18
48
1.5
18
0.85
105
50
20
70
4.2
26
140
132
122
16
73
28
18
48
1.5
18
0.9
105
40
20
70
4.5
(Welding way)                S35C
27
145
137
126
16
73
28
18
48
1.5
18
1
105
40
20
70
4.8
28
150
142
132
16
73
28
18
48
1.6
18
1.05
110
40
20
75
5.1
29
155
147
136
16
73
28
18
48
1.7
18
1.12
110
40
20
75
5.5
30
161
152
142
16
73
28
18
48
1.8
18
1.2
120
40
20
80
5.8
31
166
157
147
16
73
28
18
48
1.85
18
1.3
120
50
25
80
5.9
32
171
162
152
16
73
28
18
48
1.9
18
1.35
120
50
25
80
6
33
176
167
157
16
73
28
18
48
2
18
1.45
120
50
25
80
6.5
34
181
172
162
16
73
28
18
48
2.1
18
1.55
120
50
25
80
6.8
35
186
177
167
16
73
28
18
48
2.2
18
1.65
117
50
25
80
7
36
191
182
172
16
83
35
18
55
2.85
BW type (Welding way)
18
1.75
117
50
25
80
7
37
196
187
177
16
83
35
18
55
2.95
18
1.85
38
201
192
182
16
83
35
18
55
3.05
18
1.95
117
50
25
80
8
39
206
197
187
16
83
35
18
55
3.15
18
2.05
40
211
202
192
16
83
35
18
55
3.25
18
2.15
117
56
25
80
9
41
216
207
197
16
83
35
18
55
3.4
18
2.25
42
221
212
202
16
83
35
18
55
3.5
18
2.4
98
56
25
66
7
44
231
223
212
16
83
35
18
55
3.7
18
2.6
45
237
228
217
16
83
35
18
55
3.85
18
2.7
98
56
25
66
7.3
48
252
243
233
16
83
35
18
55
4.2
18
3.1
98
56
25
66
8
49
257
248
237
16
83
35
18
55
4.35
18
3.27
50
262
253
243
16
83
35
18
55
4.5
18
3.4
98
56
25
66
9
54
282
273
263
16
83
35
18
55
5.05
18
3.95
98
63
25
66
9.9
60
312
303
293
16
83
35
18
55
6
18
4.9
98
63
25
66
11.7
64
333
324
313
20
22
5.6
65
338
329
318
20
93
40
22
63
7.4
22
5.75
98
63
25
66
13
68
353
344
334
20
93
40
22
63
7.94
22
6.32
70
363
354
344
20
93
40
22
63
8.3
22
6.7
98
63
25
66
15
72
373
364
354
20
22
7.05
75
388
379
369
20
93
40
22
63
9.35
22
7.7
80
414
404
394
20
98
45
22
66
10.5
22
8.7
85
439
430
419
20
98
45
22
66
12
90
464
455
445
20
98
45
22
66
13.2
22
11