Type B-Finished Bore Sprockets NOVA Import

No.
Teeth
NOVA Import
Stock No.
Sprocket
No.
Finish
Bore
Outside
Dia.
Hub
Dia. LTB
10
10
10
11
11
11
12
12
12
13
13
13
14
14
14
15
15
15
16
16
16
16
17
17
18
18
18
18
19
20
20
21
21
24
25
25
28
603510065
603510085
603510105
603511085
603511105
603511125
603512085
603512105
603512125
603513085
603513105
603513125
603514085
603514105
603514125
603515085
603515105
603515125
603516085
603516105
603516125
603516165
603517085
603517125
603518085
603518105
603518125
603518165
603519085
603520085
603520125
603521085
603521125
603524125
603525105
603525165
603528125
35B10*
35B10*
35B10*
35B11*
35B11*
35B11*
35B12*
35B12*
35B12*
35B13*
35B13*
35B13*
35B14*
35B14*
35B14*
35B15*
35B15*
35B15*
35B16*
35B16*
35B16*
35B16*
35B17*
35B17*
35B18*
35B18*
35B18*
35B18*
35B19*
35B20*
35B20
35B21*
35B21*
35B24*
35B25*
35B25*
35B28*
3/8 PB
1/2
5/8
1/2
5/8
3/4
1/2
5/8
3/4
1/2
5/8
3/4
1/2
5/8
3/4
1/2
5/8
3/4
1/2
5/8
3/4
1
1/2
3/4
1/2
5/8
3/4
1
1/2
1/2
3/4
3/4
3/4
3/4
5/8
1
3/4
1.379
1.379
1.379
1.502
1.502
1.502
1.625
1.625
1.625
1.746
1.746
1.746
1.868
1.868
1.868
1.989
1.989
1.989
2.110
2.110
2.110
2.110
2.231
2.231
2.352
2.352
2.352
2.352
2.472
2.593
2.590
2.713
2.713
3.074
3.194
3.194
3.553
1^
1^
1^
1-1/16^
1-1/16^
1-1/16^
1-1/4^
1-1/4^
1-1/4^
1-1/8
1-1/8
1-1/8
1-1/4
1-1/4
1-1/4
1-3/8
1-3/8
1-3/8
1-1/2
1-1/2
1-1/2
1-1/2
1-5/8
1-5/8
1-3/4
1-3/4
1-3/4
1-3/4
1-13/16
1-15/16
1-15/16
2-1/16
2-1/16
2-7/16
2-9/16
2-9/16
2-1/2
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
 Sprockets come with (2) set
screws @ 0° & 90°
 
Chain Data
Size 
Pitch 
Roller Width 
Roller Diameter
#35
3/8
3/16
.200
   Material: 1045

   Keyway timed with centerline of tooth

* Teeth hardened to 30-45 Rc

^ Has recessed groove in hub for chain clearance.

 

No. 40 - 1/2’’ PITCH

No. Teeth NOVA Import
Stock No.
Sprocket
No.
Finish
Bore
Outside
Dia.
Hub
Dia. LTB
9
10
10
10
11
11
11
11
12
12
12
12
12
13
13
13
13
14
14
14
14
15
15
15
15
15
15
16
16
16
16
16
16
16
17
17
17
17
18
18
18
18
18
18
604009105
604010085
604010105
604010125
604011085
604011105
604011125
604011145
604012085
604012105
604012125
604012145
604012165
604013085
604013105
604013125
604013165
604014105
604014125
604014145
604014165
604015105
604015125
604015145
604015165
604015195
604015205
604016105
604016125
604016145
604016165
604016185
604016195
604016205
604017125
604017145
604017165
604017185
604018105
604018125
604018145
604018165
604018185
604018205
40B9*
40B10*
40B10*
40B10*
40B11*
40B11*
40B11*
40B11*
40B12
40B12*
40B12*
40B12*
40B12*
40B13*
40B13*
40B13*
40B13*
40B14*
40B14*
40B14*
40B14*
40B15*
40B15*
40B15*
40B15*
40B15*
40B15*
40B16*
40B16*
40B16*
40B16*
40B16*
40B16*
40B16*
40B17*
40B17*
40B17*
40B17*
40B18*
40B18*
40B18*
40B18*
40B18*
40B18*
5/8
1/2
5/8
3/4
1/2
5/8
3/4
7/8
1/2
5/8
3/4
7/8
1
1/2
5/8
3/4
1
5/8
3/4
7/8
1
5/8
3/4
7/8
1
1-3/16
1-1/4
5/8
3/4
7/8
1
1-1/8
1-3/16
1-1/4
3/4
7/8
1
1-1/8
5/8
3/4
7/8
1
1-1/8
1-1/4
1.674
1.839
1.839
1.839
2.003
2.003
2.003
2.003
2.170
2.166
2.166
2.166
2.166
2.166
2.329
2.329
2.329
2.490
2.491
2.491
2.491
2.653
2.653
2.653
2.653
2.653
2.653
2.814
2.814
2.814
2.814
2.814
2.814
2.814
2.975
2.975
2.975
2.975
3.136
3.136
3.136
3.136
3.136
3.136
1-1/8^
1-1/4^
1-1/4^
1-1/4^
1-7/16^
1-7/16^
1-7/16^
1-7/16^
1-7/16^
1-9/16^
1-9/16^
1-9/16^
1-9/16^
1-9/16^
1-9/16
1-9/16
1-9/16
1-11/16
1-11/16
1-11/16
1-11/16
1-1316
1-13/16
1-13/16
1-13/16
1-13/16
1-13/16
2
2
2
2
2
2
2
2-1/8
2-1/8
2-1/8
2-1/8
2-5/16
2-5/16
2-5/16
2-5/16
2-5/16
2-5/16
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
1
1
1
1
1
1
1
1
1
1

 
 Sprockets come with (2) set
screws @ 0° & 90°
 
Chain Data
Size 
Pitch 
Roller Width 
Roller Diameter
#40
1/2
5/16
.312
   Material: 1045

   Keyway timed with centerline of tooth

* Teeth hardened to 30-45 Rc

^ Has recessed groove in hub for chain clearance.

 

No. 50 - 5/8’’ PITCH

No. Teeth NOVA Import
Stock No.
Sprocket
No.
Finish
Bore
Outside
Dia.
Hub
Dia. LTB
9
10
10
10
11
11
11
11
12
12
12
12
12
13
13
13
13
14
14
14
14
15
15
15
15
15
15
16
16
16
16
16
16
16
17
17
17
17
18
18
18
18
18
18
604009105
604010085
604010105
604010125
604011085
604011105
604011125
604011145
604012085
604012105
604012125
604012145
604012165
604013085
604013105
604013125
604013165
604014105
604014125
604014145
604014165
604015105
604015125
604015145
604015165
604015195
604015205
604016105
604016125
604016145
604016165
604016185
604016195
604016205
604017125
604017145
604017165
604017185
604018105
604018125
604018145
604018165
604018185
604018205
40B9*
40B10*
40B10*
40B10*
40B11*
40B11*
40B11*
40B11*
40B12
40B12*
40B12*
40B12*
40B12*
40B13*
40B13*
40B13*
40B13*
40B14*
40B14*
40B14*
40B14*
40B15*
40B15*
40B15*
40B15*
40B15*
40B15*
40B16*
40B16*
40B16*
40B16*
40B16*
40B16*
40B16*
40B17*
40B17*
40B17*
40B17*
40B18*
40B18*
40B18*
40B18*
40B18*
40B18*
5/8
1/2
5/8
3/4
1/2
5/8
3/4
7/8
1/2
5/8
3/4
7/8
1
1/2
5/8
3/4
1
5/8
3/4
7/8
1
5/8
3/4
7/8
1
1-3/16
1-1/4
5/8
3/4
7/8
1
1-1/8
1-3/16
1-1/4
3/4
7/8
1
1-1/8
5/8
3/4
7/8
1
1-1/8
1-1/4
1.674
1.839
1.839
1.839
2.003
2.003
2.003
2.003
2.170
2.166
2.166
2.166
2.166
2.166
2.329
2.329
2.329
2.490
2.491
2.491
2.491
2.653
2.653
2.653
2.653
2.653
2.653
2.814
2.814
2.814
2.814
2.814
2.814
2.814
2.975
2.975
2.975
2.975
3.136
3.136
3.136
3.136
3.136
3.136
1-1/8^
1-1/4^
1-1/4^
1-1/4^
1-7/16^
1-7/16^
1-7/16^
1-7/16^
1-7/16^
1-9/16^
1-9/16^
1-9/16^
1-9/16^
1-9/16^
1-9/16
1-9/16
1-9/16
1-11/16
1-11/16
1-11/16
1-11/16
1-1316
1-13/16
1-13/16
1-13/16
1-13/16
1-13/16
2
2
2
2
2
2
2
2-1/8
2-1/8
2-1/8
2-1/8
2-5/16
2-5/16
2-5/16
2-5/16
2-5/16
2-5/16
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
1
1
1
1
1
1
1
1
1
1

 
 Sprockets come with (2) set
screws @ 0° & 90°
 
Chain Data
Size 
Pitch 
Roller Width 
Roller Diameter
#40
1/2
5/16
.312
   Material: 1045

   Keyway timed with centerline of tooth

* Teeth hardened to 30-45 Rc

^ Has recessed groove in hub for chain clearance.

 

No. 60 - 3/4’’ PITCH

No. Teeth NOVA Import
Stock No.
Sprocket
No.
Finish
Bore
Out
Dia.
Hub
Dia. LTB
19
19
20
20
20
20
20
20
20
20
21
21
21
21
21
22
22
22
23
23
23
24
24
24
24
24
25
26
26
27
27
28
28
28
28
30
30
30
30
30
30

 
606019165
606019205
606020165
606020185
606020205
606020235
606020245
606020265
606020285
606020315
606021165
606021185
606021205
606021235
606021315
606022165
606022205
606022235
606023165
606023205
606023245
606024165
606024205
606024235
606024245
606024285
606025245
606026165
606026205
606027165
606027205
606028165
606028195
606028205
606028245
606030165
606030185
606030205
606030225
606030235
606030245

 
60B19*
60B19*
60B20*
60B20*
60B20*
60B20*
60B20*
60B20*
60B20*
60B20*
60B21*
60B21*
60B21*
60B21*
60B21*
60B22*
60B22*
60B22*
60B23*
60B23*
60B23*
60B24*
60B24*
60B24*
60B24*
60B24*
60B25*
60B26*
60B26*
60B27*
60B27*
60B28*
60B28*
60B28*
60B28*
60B30*
60B30*
60B30*
60B30*
60B30*
60B30*

 
1
1-1/4
1
1-1/8
1-1/4
1-7/16
1-1/2
1-5/8
1-3/4
1-15/16
1
1-1/8
1-1/4
1-7/16
1-15/16
1
1-1/4
1-7/16
1
1-1/4
1-1/2
1
1-1/4
1-7/16
1-1/2
1-3/4
1-1/2
1
1-1/4
1
1-1/4
1
1-3/16
1-1/4
1-1/2
1
1-1/4
1-1/8
1-3/8
1-7/16
1-1/2

 
4.945
4.945
5.186
5.186
5.186
5.186
5.186
5.190
5.186
5.186
5.426
5.426
5.426
5.426
5.426
5.666
5.666
5.666
5.906
5.906
5.906
6.147
6.147
6.147
6.147
6.147
6.387
6.627
6.627
6.867
6.867
7.106
7.106
7.106
7.106
7.586
7.586
7.586
7.586
7.856
7.586

 
3-1/2
3-1/2
3-7/8
3-7/8
3-7/8
3-7/8
3-7/8
3-7/8
3-7/8
3-7/8
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4


 
No. Teeth NOVA Import
Stock No.
Sprocket
No.
Finish
Bore
Out
Dia.
Hub
Dia. LTB
32
32
32
35
35
35
36
45
45
606032165
606032205
606032225
606035165
606035205
606035235
606036205
606045165
606045185
60B32
60B32
60B32
60B35
60B35
60B35
60B36
60B45
60B45
1
1-1/4
1-3/8
1
1-1/4
1-7/16
1-1/4
1
1-1/8
8.065
8.065
8.065
8.783
8.783
8.783
9.023
11.180
11.180
4
4
4
4
4
4
4
4
4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4


Sprockets come with (2) set
screws @ 0° & 90°
 
Chain Data
Size 
Pitch 
Roller Width 
Roller Diameter
#60
3/4
1/2
.469
   Material: 1045

   Keyway timed with centerline of tooth

* Teeth hardened to 30-45 Rc

^ Has recessed groove in hub for chain clearance.

 

No. 80 - 1’’ PITCH

No. Teeth NOVA Import
Stock No.
Sprocket
No.
Finish
Bore
Out
Dia.
Hub
Dia. LTB
9
9
10
10
11
11
11
11
12
12
12
12
12
12
13
13
13
13
13
14
14
14
14
14
14
15
15
15
15
16
16
16
16
16
16
16
17
17
18
18
18
18
19
19
608009165
608009205
608010165
608010205
608011165
608011205
608011235
608011245
608012165
608012205
608012225
608012235
608012245
608012285
608013165
608013205
608013225
608013285
608013325
608014165
608014205
608014225
608014245
608014285
608014325
608015165
608015205
608015245
608015285
608016165
608016205
608016225
608016235
608016245
608016285
608016325
608017205
608017285
608018205
608018245
608018285
608018315
608018325
608019205
80B09*
80B09*
80B10*
80B10*
80B11*
80B11*
80B11*
80B11*
80B12*
80B12*
80B12*
80B12*
80B12*
80B12*
80B13*
80B13*
80B13*
80B13*
80B13*
80B14*
80B14*
80B14*
80B14*
80B14*
80B14*
80B15*
80B15*
80B15*
80B15*
80B16*
80B16*
80B16*
80B16*
80B16*
80B16*
80B16*
80B17*
80B17*
80B18*
80B18*
80B18*
80B18*
80B18*
80B19*
1
1-1/4
1
1-1/4
1
1-1/4
1-7/16
1-1/2
1
1-1/4
1-3/8
1-7/16
1-1/2
1-3/4
1
1-1/4
1-3/8
1-3/4
2
1
1-1/4
1-3/8
1-1/2
1-3/4
2
1
1-1/4
1-1/2
1-3/4
1
1-1/4
1-3/8
1-7/16
1-1/2
1-3/4
2
1-1/4
1-3/4
1-1/4
1-1/2
1-3/4
1-15/16
2
1-1/4
3.347
3.347
3.678
3.678
4.000
4.000
4.000
4.000
4.332
4.332
4.332
4.330
4.332
4.332
4.657
4.657
4.660
4.657
4.657
4.982
4.982
4.982
4.982
4.982
4.982
5.305
5.305
5.305
5.305
5.627
5.627
5.630
5.630
5.627
5.627
5.627
5.950
5.950
6.271
6.271
6.271
6.271
6.271
6.271
2-1/4^
2-1/4^
2-9/16^
2-9/16^
2-13/16^
2-13/16^
2-13/16^
2-13/16^
3-1/8
3-1/8
3-1/8
3-1/8
3-1/8
3-1/8
3
3
3
3
3
3-1/4
3-1/4
3-1/4
3-1/4
3-1/4
3-1/4
3-13/16
3-13/16
3-13/16
3-13/16
4
4
4
4
4
4
4
4
4
4-1/4
4-1/4
4-1/4
4-1/4
4-1/4
4-1/4
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
No. Teeth NOVA Import
Stock No.
Sprocket
No.
Finish
Bore
Out
Dia.
Hub
Dia. LTB
19
19
20
20
20
22
608019285
608019325
608020205
608020245
608020285
608022205
80B19*
80B19*
80B20*
80B20*
80B20*
80B22
1-3/4
2
1-1/4
1-1/2
1-3/4
1-1/4
6.593
6.593
6.593
6.914
6.914
7.555
4-1/4
4-1/4
4-1/4
4-1/4
4-1/4
4-1/4
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2
1-1/2


Sprockets come with (2) set
screws @ 0° & 90°
 
Chain Data
Size
Pitch
Roller Width
Roller Diameter
#80
1
5/8
.625
   Material: 1045

   Keyway timed with centerline of tooth

* Teeth hardened to 30-45 Rc

^ Has recessed groove in hub for chain clearance.