POBCO Roller Chain Sprockets - Type B Hub
| Stock
Bore |
Unfinished bore
as specified |
| Idler
Bore |
Bore rotating/
idling on shaft |
| Drive Bore |
Specify keyway
and setscrew |
ReBores, Keyways & Setscrews Optional - Please Specify
Other Chain Sizes, Hub Styles and Materials - Please Inquire
Roller Chain Sprocket
For #25 - 1/4" Pitch Roller Chain in Glass Filled Nylon
Plate Thickness = .110" |
| Part No. |
# Teeth |
Outside Dia. |
Pitch Dia. |
Hub Dia. |
Hub Proj. |
Stock Bore |
| SPRN25B10 |
10 |
.919" |
.81" |
9/16" |
3/8" |
1/4" |
| SPRN25B12 |
12 |
1.083" |
.97" |
11/16" |
3/8" |
5/16" |
| SPRN25B13 |
13 |
1.167" |
1.05" |
3/4" |
3/8" |
5/16" |
| SPRN25B14 |
14 |
1.246" |
1.13" |
3/4" |
3/8" |
5/16" |
| SPRN25B16 |
16 |
1.407" |
1.28" |
13/16" |
3/8" |
5/16" |
| SPRN25B17 |
17 |
1.487" |
1.36" |
29/32" |
3/8" |
5/16" |
| SPRN25B18 |
18 |
1.568" |
1.44" |
1" |
3/8" |
3/8" |
| SPRN25B20 |
20 |
1.729" |
1.60" |
1-5/32" |
3/8" |
3/8" |
| SPRN25B24 |
24 |
2.049" |
1.91" |
1-7/32" |
3/8" |
3/8" |
Roller Chain Sprocket
For #35 - 3/8" Pitch Roller Chain in Glass Filled Nylon
Plate Thickness = .170" |
| Part No. |
# Teeth |
Outside Dia. |
Pitch Dia. |
Hub Dia. |
Length Thru
Bore |
Max
Bore |
Stock
Bore |
| SPRN35B9 |
9 |
1.256" |
1.096" |
5/8" |
3/4" |
3/8" |
3/8" |
| SPRN35B10 |
10 |
1.380" |
1.214" |
13/16" |
3/4" |
7/16" |
3/8" |
| SPRN35B11 |
11 |
1.502" |
1.331" |
7/8" |
3/4" |
1/2" |
3/8" |
| SPRN35B12 |
12 |
1.625" |
1.449" |
1" |
3/4" |
9/16" |
1/2" |
| SPRN35B14 |
14 |
1.868" |
1.685" |
1-1/16" |
3/4" |
3/4" |
1/2" |
| SPRN35B15 |
15 |
1.99" |
1.804" |
1-3/8" |
3/4" |
13/16" |
1/2" |
| SPRN35B18 |
18 |
2.352" |
2.159" |
1-1/4" |
3/4" |
1-1/16" |
1/2" |
Roller Chain Sprocket
For #40 - 1/2" Pitch Roller Chain in Glass Filled Nylon
Plate Thickness = .284" |
| Part No. |
# Teeth |
Outside Dia. |
Pitch Dia. |
Hub Dia. |
Length Thru
Bore |
Max
Bore |
Stock
Bore |
| SPRN40B9 |
9 |
1.674" |
1.462" |
7/8" |
7/8" |
1/2" |
1/2" |
| SPRN40B10 |
10 |
1.839" |
1.618" |
1-1/8" |
7/8" |
9/32" |
1/2" |
| SPRN40B12 |
12 |
2.166" |
1.932" |
1-3/8" |
7/8" |
27/32" |
1/2" |
| SPRN40B15 |
15 |
2.652" |
2.405" |
1-7/8" |
7/8" |
1-3/16" |
1/2" |
| SPRN40B16 |
16 |
2.814" |
2.563" |
1-7/8" |
7/8" |
1-1/4" |
5/8" |
| SPRN40B24 |
24 |
4.098" |
3.831" |
2-1/2" |
1" |
1-3/4" |
5/8" |
| SPRN40B32 |
32 |
5.377" |
5.101" |
2" |
1" |
1-3/4" |
3/4" |
Roller Chain Sprocket
For #50 - 5/8" Pitch Roller Chain |
| Part No. |
# Teeth |
Pitch Dia. |
Hub Dia. |
Length Thru
Bore |
Stock
Bore |
| SPR*50B9 |
9 |
1.827 |
1.375 |
1.000 |
.500 |
| SPR*50B10 |
10 |
2.023 |
1.563 |
1.000 |
.500 |
| SPR*50B11 |
11 |
2.218 |
1.750 |
1.000 |
.500 |
| SPR*50B12 |
12 |
2.415 |
1.984 |
1.000 |
.500 |
| SPR*50B13 |
13 |
2.612 |
1.875 |
1.000 |
.500 |
| SPR*50B14 |
14 |
2.803 |
2.125 |
1.000 |
.500 |
| SPR*50B15 |
15 |
3.006 |
2.375 |
1.000 |
.500 |
| SPR*50B16 |
16 |
3.204 |
2.500 |
1.000 |
.500 |
| SPR*50B17 |
17 |
3.401 |
2.063 |
1.000 |
.500 |
| SPR*50B18 |
18 |
3.599 |
2.875 |
1.000 |
.500 |
| SPR*50B24 |
24 |
4.788 |
3.000 |
1.250 |
.500 |
| SPR*50B25 |
25 |
4.987 |
3.000 |
1.250 |
.500 |
| SPR*50B30 |
30 |
5.979 |
3.250 |
1.250 |
.500 |
| SPR*50B35 |
35 |
6.972 |
3.250 |
1.250 |
.500 |
Stock Bore - Unfinished bore as specified
Idler Bore - Bore rotating/idling on shaft
Drive Bore - Specify keyway and setscrew |
Roller Chain Sprocket
For #60 - 3/4" Pitch Roller Chain |
| Part No. |
# Teeth |
Pitch Dia. |
Hub Dia. |
Length Thru
Bore |
Stock
Bore |
| SPR*60B9 |
9 |
2.193 |
1.50 |
1.25 |
.500 |
| SPR*60B10 |
10 |
2.427 |
1.50 |
1.25 |
.500 |
| SPR*60B11 |
11 |
2.662 |
2.00 |
1.25 |
.750 |
| SPR*60B12 |
12 |
2.898 |
2.00 |
1.25 |
.750 |
| SPR*60B13 |
13 |
3.134 |
2.938 |
1.25 |
.750 |
| SPR*60B14 |
14 |
3.370 |
2.50 |
1.25 |
.750 |
| SPR*60B15 |
15 |
3.607 |
2.875 |
1.25 |
.750 |
| SPR*60B16 |
16 |
3.844 |
3.00 |
1.25 |
.750 |
| SPR*60B17 |
17 |
4.082 |
3.25 |
1.25 |
1.00 |
| SPR*60B18 |
18 |
4.319 |
3.50 |
1.25 |
1.00 |
| SPR*60B19 |
19 |
4.557 |
3.50 |
1.25 |
1.00 |
| SPR*60B20 |
20 |
4.794 |
3.875 |
1.25 |
1.00 |
| SPR*60B21 |
21 |
5.032 |
4.00 |
1.25 |
1.00 |
| SPR*60B22 |
22 |
5.27 |
4.00 |
1.25 |
1.00 |
| SPR*60B23 |
23 |
5.508 |
4.00 |
1.25 |
1.00 |
| SPR*60B24 |
24 |
5.746 |
4.00 |
1.25 |
1.00 |
| SPR*60B25 |
25 |
5.984 |
4.00 |
1.25 |
1.00 |
| SPR*60B26 |
26 |
6.222 |
4.00 |
1.25 |
1.00 |
| SPR*60B27 |
27 |
6.46 |
4.00 |
1.25 |
1.00 |
| SPR*60B28 |
28 |
6.699 |
4.00 |
1.25 |
1.00 |
| SPR*60B29 |
29 |
6.937 |
4.00 |
1.25 |
1.00 |
| SPR*60B30 |
30 |
7.175 |
4.00 |
1.25 |
1.00 |
| SPR*60B31 |
31 |
7.413 |
4.00 |
1.25 |
1.00 |
| SPR*60B32 |
32 |
7.652 |
4.00 |
1.25 |
1.00 |
| SPR*60B33 |
33 |
7.89 |
4.00 |
1.25 |
1.00 |
| SPR*60B34 |
34 |
8.128 |
4.50 |
1.25 |
1.00 |
| SPR*60B35 |
35 |
8.367 |
4.50 |
1.25 |
1.00 |
|
Roller Chain Sprocket
For #80 - 1" Pitch Roller Chain |
| Part No. |
# Teeth |
Pitch Dia. |
Hub Dia. |
Length Thru
Bore |
Stock
Bore |
| SPR*80B9 |
9 |
2.924 |
2.00 |
1.50 |
0.75 |
| SPR*80B10 |
10 |
3.236 |
2.00 |
1.50 |
0.75 |
| SPR*80B11 |
11 |
3.549 |
2.00 |
1.50 |
0.75 |
| SPR*80B12 |
12 |
3.864 |
2.00 |
1.50 |
0.75 |
| SPR*80B13 |
13 |
4.179 |
3.250 |
1.50 |
1.00 |
| SPR*80B14 |
14 |
4.494 |
3.250 |
1.50 |
1.00 |
| SPR*80B15 |
15 |
4.810 |
3.250 |
1.50 |
1.00 |
| SPR*80B16 |
16 |
5.126 |
3.250 |
1.50 |
1.00 |
| SPR*80B17 |
17 |
5.442 |
3.250 |
1.50 |
1.00 |
| SPR*80B18 |
18 |
5.759 |
3.500 |
1.50 |
1.00 |
| SPR*80B19 |
19 |
6.076 |
4.00 |
1.50 |
1.00 |
| SPR*80B20 |
20 |
6.392 |
4.00 |
1.50 |
1.00 |
| SPR*80B21 |
21 |
6.710 |
4.00 |
1.75 |
1.00 |
| SPR*80B22 |
22 |
7.027 |
4.00 |
1.75 |
1.00 |
| SPR*80B23 |
23 |
7.344 |
4.00 |
1.75 |
1.00 |
| SPR*80B24 |
24 |
7.661 |
4.00 |
1.75 |
1.00 |
| SPR*80B25 |
25 |
7.979 |
4.00 |
1.75 |
1.00 |
| SPR*80B26 |
26 |
8.296 |
4.50 |
2.00 |
1.00 |
| SPR*80B27 |
27 |
8.614 |
4.50 |
2.00 |
1.00 |
| SPR*80B28 |
28 |
8.931 |
4.50 |
2.00 |
1.00 |
| SPR*80B29 |
29 |
9.249 |
4.50 |
2.00 |
1.00 |
| SPR*80B30 |
30 |
9.567 |
4.50 |
2.00 |
1.00 |
| SPR*80B31 |
31 |
9.885 |
4.50 |
2.00 |
1.00 |
| SPR*80B32 |
32 |
10.202 |
5.00 |
2.00 |
1.00 |
| SPR*80B33 |
33 |
10.520 |
5.00 |
2.00 |
1.00 |
| SPR*80B34 |
34 |
10.838 |
5.00 |
2.00 |
1.00 |
| SPR*80B35 |
35 |
11.156 |
5.00 |
2.00 |
1.00 |
|
Roller Chain Sprocket
For #100 - 1-1/4" Pitch Roller Chain |
| Part No. |
# Teeth |
Pitch Dia. |
Hub Dia. |
Length Thru
Bore |
Stock
Bore |
| SPR*100B9 |
9 |
3.655 |
2.00 |
1.75 |
0.75 |
| SPR*100B10 |
10 |
4.045 |
3.25 |
1.75 |
1.00 |
| SPR*100B11 |
11 |
4.437 |
3.25 |
1.75 |
1.00 |
| SPR*100B12 |
12 |
4.83 |
3.25 |
1.75 |
1.00 |
| SPR*100B13 |
13 |
5.223 |
3.25 |
1.75 |
1.00 |
| SPR*100B14 |
14 |
5.617 |
3.25 |
1.75 |
1.00 |
| SPR*100B15 |
15 |
6.012 |
4.00 |
1.75 |
1.00 |
| SPR*100B16 |
16 |
6.407 |
4.00 |
1.75 |
1.00 |
| SPR*100B17 |
17 |
6.803 |
4.00 |
1.75 |
1.00 |
| SPR*100B18 |
18 |
7.198 |
4.00 |
1.75 |
1.00 |
| SPR*100B19 |
19 |
7.594 |
4.00 |
2.00 |
1.00 |
| SPR*100B20 |
20 |
7.991 |
4.00 |
2.00 |
1.00 |
|