Brand new set of headstock taper roller bearings to fit:

Suzuki GS 1100 G (1982).
 
This set of head stock bearings are taper roller style bearings that have been manufactured to replace the original set of steering bearings on a GS1100 G (DOHC) for the years shown above. 

Top bearing sized ID25 x OD47 x WTH15
Bottom bearing sized ID30x OD55 x WTH17

All sizes in mm