Application: Each 4 sets of 2 stinger rollers is suspended in a frame, the roller box. The roller boxes originally were
suspended in spherical bearings made of a ‘self-lube pocket bronze’ sphere in a stainless steel housing.
During maintenance it was found that after only a year these bearings had virtually been destroyed by
electrolytical processes (bronze, graphite and stainless steel in a huge steel construction in sea water) and wear.
Allowable loads on D-glide are very high (>300MPA) but the stiffness is relatively low and all deformation is
elastic. Since misalignment angles were limited, D-glide bushingswith the same dimensions and geometry as
the Sphericals could easily perform the function of the Sphericals.
This solution was proposed on Friday at 17.30, on Wednesday the bearings were aboard the ship!
Advantages of the D-Glide solution
- No moving parts
- Virtually ‘indestructible’
- Easy installation
- No corrosion
- Very low cost
- Short delivery times