FAQ

What do spanner bushings do in industrial casters?
Spanner bushings lock the wheel or swivel assembly onto the axle in industrial casters, keeping the wheel or bearing from sliding off while letting it spin freely for smooth movement. They also span the gap between the caster legs, creating a rigid “box” design that stops flexing under heavy loads, making heavy duty casters more stable and durable.

How do spanner bushings make heavy duty casters more stable?
In heavy duty industrial casters, spanner bushings secure the axle across the caster legs, forming a solid “box” structure. This keeps the legs from bending or twisting, even when hauling heavy weight or hitting vibrations in warehouses or factories. It ensures casters and wheels stay aligned and don’t wobble, no matter how tough the job.

Why are spanner bushings important for swivel casters?
For swivel casters, spanner bushings hold the swivel bearing or raceway in place, allowing smooth pivoting while keeping the assembly tight. They’re critical in high-mobility industrial casters that face constant turning and heavy loads, ensuring the swivel mechanism stays reliable and doesn’t come apart under stress.

How do spanner bushings protect the axle in casters?
Spanner bushings act like a shield for the axle, especially when needle roller bearings are used in casters and wheels. Without them, those bearings can act like a metal file, chewing up softer or non-hardened axles over time. The bushing takes the wear, keeping the axle safe and extending the life of heavy duty casters.

How do spanner bushings help with load distribution in industrial casters?
Spanner bushings spread axial loads evenly across the bearing and axle in heavy duty casters, cutting down stress on individual parts. This prevents deformation in tough setups like material handling or manufacturing, making industrial casters last longer and handle heavy loads better.

Can spanner bushings make maintenance easier for casters and wheels?
Yeah, spanner bushings have slots or holes for a spanner wrench, so they’re easy to install, adjust, or swap out. In industrial settings where heavy duty industrial casters get hammered, this makes maintenance a breeze, keeping downtime low when you need to tweak or replace parts.

Do spanner bushings reduce wear in industrial casters?
You bet. By securing bearings, protecting the axle from needle roller bearings, and keeping everything aligned, spanner bushings cut down friction and wear in casters. They also stop leg flexing, reducing stress on welds and bolts, so heavy duty casters and swivel casters last longer, even on rough warehouse floors.

Why do heavy duty casters use a “box” design with spanner bushings?
The “box” design comes from the spanner bushing and axle spanning the full distance between the caster legs, locking everything into a rigid structure. This makes heavy duty industrial casters way less likely to bend or splay under heavy loads or impacts, boosting strength and stability for tough jobs like moving factory equipment.