Factory lubricated, steel inner race. Fits 2 in standard J-track. Roller 1-7/8 in OD.
| Axle Diameter | : | 7/16 in |
| Axle Length | : | 4-1/4 in |
| Bearing Type | : | Ball |
| Color | : | White |
| Finish | : | Unfinished |
| Material | : | Steel |
| Roller Diameter | : | 1-7/8 in |
| Roller Edge Type | : | Convex |
| Roller Width | : | 1/2 in |
| Suitable for | : | 2 in Track Garage Doors |