Heavy Duty J Top Mount Single Track Measurements | Goldberg Brothers
| J Top Mount Roller Measurements | |
| Height Above Door | 5-1/8 inches |
| Roller Thickness | 1-3/8 inches |
| Roller Width | 4-1/2 inches |
| Roller Height | 5-1/8 inches |
| Wheel Diameter | 2-1/2 inches |
| Track Width | 2 inches |
| Track Thickness | 3/16 inches |
| Weight Capacity per Door | 100 lbs |
| Minimum Door Thickness | 1-3/8 inches |
| Maximum Door Thickness | 2-1/4 inches |
| Door to Track Spacing | 3/8 inches |
