Galvanized and Aluminum wheels are standard with steel zinc plated hubs.
On single inlet wheels rotation is determined viewing the back disc or closed end of the wheel.The hub extension side or double inlet wheels.
Special hubs, bores, or keyways can be furnised for extra cost.
Cup point socket set screws are standard.
All wheels are straighten and balanced.
Consult our engineering Department for special applications.
Double inlet wheels joined with a common hub.
Dimensional Information
Catalog
Number
Dimensions
Max
RPM
D
W
C
N
A
F
G
H
Q250-103S
2.5
1.03
2.13
18
0.22; 0.25; 031
0.75
0.25
0.50
13000
Q250-150S
2.5
1.5
2.13
23
0.22; 0.25; 0.31
0.75
0.25
0.50
12000
Q250-187S
2.5
1.88
2.13
20
0.22; 0.25; 0.31
0.75
0.25
0.5
9000
Q300-103S
2.97
1.03
2.47
22
0.22; 0.25; 0.31
0.75
0.25
0.5
8700
Q300-150S
2.97
1.5
2.47
28
0.22; 0.25; 0.31
0.75
0.25
0.5
6500
Q300-187S
2.97
1.88
2.47
24
0.22; 0.25; 0.31
0.75
0.25
0.5
5000
Q319-103S
3.18
1.03
2.81
24
0.22; 0.25; 0.31
0.75
0.25
0.5
7000
Q319-150S
3.18
1.5
2.81
30
0.22; 0.25; 0.31
0.75
0.25
0.5
6000
Q319-187S
3.18
1.88
2.81
26
0.22; 0.25; 0.31
0.75
0.25
0.5
5000
Q381-103S
3.8
1.03
3.38
29
0.22; 0.25; 0.31
0.75
0.25
0.5
7000
Q381-150S
3.8
1.5
3.38
36
0.22; 0.25; 0.31
0.75
0.25
0.5
6000
Q381-187S
3.8
1.88
3.38
30
0.22; 0.25; 0.31
0.75
0.25
0.5
5000
Q381-206S
3.8
2.06
3.38
22
0.22; 0.25; 0.31
0.75
0.25
0.5
5000
Q381-250S
3.8
2.5
3.38
22
0.22; 0.25; 0.31
0.75
0.25
0.5
5000
Q425-103S
4.2
1.03
3.72
32
0.31; 0.38; 0.50
1
0.28
0.56
4800
Q425-206S
4.2
2.06
3.72
24
0.31; 0.38; 0.50
1
0.28
0.56
4500
Q425-250S
4.2
2.5
3.72
24
0.31; 0.38; 0.50
1
0.28
0.56
4500
Q425-293S
4.2
2.94
3.72
24
0.31; 0.38; 0.50
1
0.28
0.56
4500
Q475-206S
4.71
2.06
4.25
27
0.31; 0.38; 0.50
1
0.28
0.56
3600
Q475-250S
4.71
2.5
4.25
27
0.31; 0.38; 0.50
1
0.28
0.56
3600
Q475-293S
4.71
2.94
4.25
27
0.31; 0.38; 0.50
1
0.28
0.56
3600
Q475-343S
4.71
3.44
4.25
27
0.31; 0.38; 0.50
1
0.28
0.56
3600
Q475-103S
4.75
1.03
4.25
36
0.31; 0.38; 0.50
1
0.28
0.56
3800
Q525-103S
5.21
1.03
4.72
40
0.31; 0.38; 0.50
1
0.28
0.56
3600
Q525-206S
5.21
2.06
4.72
30
0.31; 0.38; 0.50
1
0.28
0.56
3600
Q525-250S
5.21
2.5
4.72
30
0.31; 0.38; 0.50
1
0.28
0.56
3600
Q525-293S
5.21
2.94
4.72
30
0.31; 0.38; 0.50
1
0.28
0.56
3600
Q525-343S
5.21
3.44
4.72
30
0.31; 0.38; 0.50
1
0.28
0.56
3600
Q575-103S
5.71
1.03
5.13
44
0.31; 0.38; 0.50
1
0.28
0.56
3450
Q575-206S
5.71
2.06
5.13
33
0.31; 0.38; 0.50
1
0.28
0.56
3450
Q575-250S
5.71
2.5
5.13
33
0.31; 0.38; 0.50
1
0.28
0.56
3450
Q575-293S
5.71
2.94
5.13
33
0.31; 0.38; 0.50
1
0.28
0.56
3000
Q575-343S
5.71
3.44
5.13
33
0.31; 0.38; 0.50
1
0.28
0.56
3000
Q575-381S
5.71
3.81
5.13
33
0.31; 0.38; 0.50
1
0.28
0.56
3000
Q575-400S
5.71
4
5.13
33
0.31; 0.38; 0.50
1
0.28
0.56
2800
Q631-103S
6.22
1.03
5.76
48
0.31; 0.38; 0.50
1
0.28
0.56
3450
Q631-206S
6.22
2.06
5.76
36
0.31; 0.38; 0.50
1
0.28
0.56
3450
Q631-250S
6.22
2.5
5.76
36
0.31; 0.38; 0.50
1
0.28
0.56
3450
Q631-293S
6.22
2.94
5.76
36
0.31; 0.38; 0.50
1
0.28
0.56
3400
Q631-343S
6.22
3.44
5.76
36
0.31; 0.38; 0.50
1
0.28
0.56
3000
Q631-381S
6.22
3.81
5.76
36
0.31; 0.38; 0.50
1
0.28
0.56
3000
Q631-400S
6.22
4
5.76
36
0.31; 0.38; 0.50
1
0.28
0.56
2800
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