Hidden Roller Single Track Measurements | Goldberg Brothers
| Roller Measurements | ||
| Single Roller | Double Roller | |
| Track Centerline to Top of Door | 3 inches | 3 inches |
| Roller Thickness | 3/4 inches | 3/4 inches |
| Roller Width | 3-1/4 inches | 5-1/2 inches |
| Roller Height | 3-7/8 inches | 3-7/8 inches |
| Wheel Diameter | 2-1/2 inches | 2-1/2 inches |
| Track Width | 1-1/2 inches | 1-1/2 inches |
| Track Thickness | 3/16 inches | 3/16 inches |
| Door Weight Capacity | 125 lbs | 250 lbs |
| Minimum Door Thickness | 1 inch | 1 inch |
| Minimum Door Overlap to Top of Opening | 4-3/8 inches | 4-3/8 inches |