Bearing Diagrams – VWV

Stainless Roller Bearing with Stainless Combination Retainer Thrust Washers and a Stainless Spanner
They are used to ensure optimal performance, durability, and corrosion resistance in environments where moisture, chemicals, or harsh conditions are present. The combination of stainless roller bearings, stainless retainer thrust washers, and a stainless spanner maintains a smooth, load-bearing swivel action that remains reliable over a longer service life.
Corrosion Resistance:
Standard caster bearings and washers made from carbon steel can corrode or rust over time, especially when used in humid, marine, or chemically exposed environments. By using stainless steel components, including the roller bearing, retainer thrust washers, and spanner, you significantly reduce the risk of corrosion. This ensures the caster’s internal mechanism stays smooth and intact even in harsh conditions, which prolongs the life of the caster assembly.
Enhanced Durability:
Stainless steel is both strong and wear-resistant. When you rely on components like stainless roller bearings, you improve the load capacity and extend the operational life of the caster under constant, heavy loads. The stainless combination retainer thrust washers help evenly distribute the load and reduce frictional wear between surfaces, thereby minimizing maintenance and downtime.
Stable, Smooth Operation:
In a caster assembly, bearings allow the wheel and fork assembly to swivel smoothly and consistently, even under demanding conditions. The stainless roller bearing reduces friction and avoids galling, which ensures that the caster swivels effortlessly. At the same time, the stainless combination retainer thrust washers act as a stable interface that maintains alignment, reducing wobble or uneven rotation. A stainless spanner (spacer) ensures proper tensioning and alignment of the entire assembly, so the caster remains stable and secure.
Longer Service Intervals and Lower Maintenance:
Because stainless components resist corrosion and maintain their integrity longer, they require less frequent replacement or servicing. The smoother action also means fewer opportunities for premature wear or failure of the caster components.
In summary, using a stainless roller bearing with stainless combination retainer thrust washers and a stainless spanner in casters provides a reliable, low-maintenance, and high-performance solution that stands up well in challenging operational environments.