Use diagrams and the chart below to select the correct size Casters.

Part # |
A inside |
A outside |
B outside |
C outside |
CA-5 |
1-3/16" |
1-1/2" |
1-1/2" |
2-3/16" |
CF-6 |
1-1/4" |
1-7/16" |
1-1/2" |
2-1/4" |
CF-7 |
1-3/8" |
1-5/8" |
1-5/8" |
2-1/2" |
Most of these items are cast and there may be slight size variations.