REXNORD - MARBETT - MCC
Sprockets for TableTop
Chains
NS 831
NSH 820/831
Sprocket Type
Code Number
Number
of
Teeth
Bore
B
Pitch
Diameter
E
Outside
Diameter
F
Width
(Teeth)
C
Hub
Width
A
Hub
Diameter
mm/inch
mm
mm
mm
mm
mm
Split Sprockets, Injection Moulded - NS 831
Metric Bores
NS831 21-25
L0831604102
21
25
129.3
129.5
42.9
51.0
60
NS831 21-30
L0831604112
21
30
NS831 21-35
L0831604122
21
35
NS831 21-40
L0831604132
21
40
NS831 21-45
L0831604142
21
45
NS831 23-25
L0831604152
23
25
141.2
142.0
NS831 23-30
L0831604162
23
30
NS831 23-35
L0831604172
23
35
NS831 23-40
L0831604182
23
40
NS831 23-45
L0831604192
23
45
NS831 25-25
L0831604202
25
25
153.2
154.2
58.5
NS831 25-30
L0831604212
25
30
NS831 25-35
L0831604222
25
35
NS831 25-40
L0831604232
25
40
NS831 25-45
L0831604242
25
45
Inch Bores
NS831 21-1
L0831604252
21
1.000”
129.26
129.5
42.9
51.0
60
NS831 25-1
L0831604312
25
1.000”
153.21
154.2
42.9
58.5
For plastic chain series:
820, 831, SH, SHD
* Ask Customer service for minimum order quantity of sprockets with inch bores.
Split Sprockets, Injection Moulded - NSH 820/831
Metric Bores
NSH820/831 25-25
L0820641083
25
25
153,2
154,2
42,9
40
60
NSH820/831 25-30
L0820641093
25
30
NSH820/831 25-35
L0820641103
25
35
NSH820/831 25-40
L0820641113
25
40
NSH820/831 25-45
L0820641123
25
45
Sprocket Type
Code Number
Number
of
Teeth
Bore
B
Pitch
Diameter
E
Outside
Diameter
F/D
Hub
Width
A
mm/inch
mm
mm
mm
Split Sprockets And Idlers, Machined - SS/SI 661 continued
Idlers, Inch Bores
KUS 661 11-1
¼
"
753.95.10
11
1.250"
90.2
89.9
40
KUS 661 11-1
7
/
16
"
753.95.11
11
1.438"
KUS 661 11-1
½
"
753.95.12
11
1.500"
KUS 661 13-1
¼
"
753.95.23
13
1.250"
106.1
106.7
KUS 661 13-1
7
/
16
"
753.95.24
13
1.438"
KUS 661 13-1
½
"
753.95.25
13
1.500"
KUS 661 14-1
¼
"
753.95.36
14
1.250"
114.1
114.6
KUS 661 14-1
7
/
16
"
753.95.37
14
1.438"
KUS 661 14-1
½
"
753.95.38
14
1.500"
KUS 661 15-1
¼
"
753.95.49
15
1.250"
122.2
122.8
KUS 661 15-1
7
/
16
"
753.95.50
15
1.438"
KUS 661 15-1
½
"
753.95.51
15
1.500"
KUS 661 16-1
¼
"
753.95.62
16
1.250"
130.2
131.0
KUS 661 16-1
7
/
16
"
753.95.63
16
1.438"
KUS 661 16-1
½
"
753.95.64
16
1.500"
KUS 661 19-1
¼
"
753.95.75
19
1.250"
154.3
155.4
KUS 661 19-1
7
/
16
"
753.95.76
19
1.438"
KUS 661 19-1
½
"
753.95.77
19
1.500"
For plastic chain series:
820, 831, SH, SHD.
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