Skimpy Replacement Belts
The standard belt material for the belts is polyurethane. The polyurethane belts are durable and will work well in 99% of machine tool installations. Temperatures above 150 deg. F. will ruin polyurethane belts. The silicone/cotton belts are recommended for higher temperatures.
If a poly belt no longer picks up the oil, in some cases, the belt simply needs to be cleaned with alcohol. If you continue to have a problem after cleaning with alcohol, you may want to try the silicone/cotton belt. It may not be “oil” that you see floating on top. It may be the rust preventative that is put on the bar stock. The silicone/cotton belts attract oil and other floating liquids well but can be a problem if there is a large amount of floating chips. The chips can get caught in the fabric. If chips are not a problem then the silicone/cotton belts are highly recommended. The silicone/cotton belts remove oil quickly.
How do I measure the length of the belt?
If you lay the belt flat and measure the length, use the table below.
| measurement | belt size |
| 9 inches | 6 inch |
| 12 inches | 9 inch |
| 15.5 inches | 12 inch |
| 20.5 inches | 17 inch |
If you measure from centerline of pulley to pulley, use the table below.
| measurement | belt size |
| 7.75 inches | 6 inch |
| 10.75 inches | 9 inch |
| 14 inches | 12 inch |
| 19 inches | 17 inch |
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