Speed Selector’s aluminum sheaves are 100% machined, resulting in perfect balance with no wobble.

They have potential rim speed capabilities of 20,000 FPM, and are 1/3 to 1/2 of the weight of cast iron sheaves.

Model 3230 – Companion Sheave Dimensions
Part No.
O.D.
P.D.
A
B
C
D
Wt.
3230-9.9 SF*
9.9
9.5
2 3/8
3/8
0
20
3230-10.4 SF*
10.4
10
2 3/8
3/8
0
22
3230-11.4 SF*
11.4
11
2 3/8
3/8
0
24
3230-12.4 SF*
12.4
12
2 3/8
3/8
0
27
3230-13.4 SF*
13.4
13
2 3/8
3/8
0
29
3230-14.4 SF*
14.4
14
2 3/8
3/8
0
34
3230-15.4 SF*
15.4
15
2 3/8
3/8
0
36
3230-16.4 SF*
16.4
16
2 3/8
3/8
0
39
3230-18.4 SF*
18.4
18
2 3/8
3/8
0
45
3230-20.4 SF*
20.4
20
2 3/8
3/8
0
47
* ONLY AVAILABLE IN CAST IRON