Factory lubricated, steel inner race. Fits 2 in standard J-track. Roller 1-7/8 in OD.
| Id | 238771 | 
| SKU | 1645670 | 
| PartNo | GD52113 | 
| UPC | 049793521132 | 
| Country of Origin | China | 
| Bearing Type | Ball | 
| Roller Edge Type | Convex | 
| Axle Length | 4-1/4 In | 
| Axle Diameter | 5/16 In | 
| Roller Width | 7/16 In | 
| Roller Diameter | 1-7/8 In | 
| Material | Steel | 
| Suitable For | 2 In Track Garage Doors | 
| CID | 9 |