Heavy Duty Sliding Patio Door Roller Assembly 1-1/4 Inch Steel Ball Wheel Bearing, Side Adjustable,2 Pack

Includes Includes 2 x Sliding Patio Door Roller,used for replacing damaged or missing roller assemblies on sliding patio doors | Standard Size The roller assembly contains 5/16-inch wheel thickness (width) x 1-1/4-inch diameter, 5-3/4-inch hole centers. This roller assembly has a minimum collapsed height of 1-1/2 in. | Solid ConstructionHigh quality radial ball bearings still working after 100,000 cycles for 2 rollers bear 120KG. While others may use the bearings made from Carbon Steel W/O heat treating, we insists all bearings made from Heat Treated Bearing Steel | Easy to InstallRemove damaged or missing tandem roller assemblies in patio sliding glass doors , then install new sliding door roller assembly | Attention: Please check the measurement before order.