| Catalog
Number |
Diameter |
Fill
Size |
Arbor
Hole Diameter |
Nominal
Face Width |
Trim
Length |
Max
Safe Free Speed (RPM) |
20500
20520 |
2 |
022/320
040/120 |
1/2 |
7/16 |
17/32 |
20,000 |
20580
20600 |
3 |
022/320
040/120 |
1/2 |
11/16 |
1 |
20,000
|
20700
20720 |
3 |
022/320
040/120 |
5/8 |
7/8 |
15/16 |
20,000 |
20990
21040 |
2 |
022/320
040/120 |
1/2 |
7/16 |
17/32 |
20,000 |
21200
21230 |
3 |
022/320
040/120 |
1/2 |
11/16 |
1 |
20,000
|
21470
21520 |
3 |
022/320
040/120 |
5/8 |
7/8 |
15/16 |
20,000 |
|