Linear motion bushing is consist of linear motion ball bearing, rail shaft, ball bearing supporting unit, shaft supporting unit and etc. It can be classified into close type and open type from the configuration. The close type has two kinds: Clearance-adjustable and clearance-nonadjustable; And the open type can be clearance-adjustable. Model: GTA, GTAt open type GTA13 GTA16 GTA20 GTA25 GTA30 GTA35 GTA38 GTA40 GTA50 GTA60 GTA80