Bearings & Power Transmission

Essentra offers ball casters, wheel casters, and leveling casters each with a variety of options. We also offer replacement wheels and brakes if you need to replace just the wheel or keep spares on hand.
 
Ball casters — The have a round ball that allows them to move in any direction. They are mounted via a stem or plate.

Wheel casters — These consist of one or more wheels encased within a housing. We have flat-free wheels that are made with solid materials as well as a selection of pneumatic casters that are air filled. Browse the section for a wide variety of bolt hole, stem and plate casters with swivel, rigid and braking options.

Caster Accessories — These include replacement wheels and brake kits. This allows you to replace just a wheel or a brake rather than remove and replace the entire caster.

Guidelines for Selecting the Right Caster:

Load Capacity
In order to determine the load capacity for each caster, you must divide the combined weight and maximum load of the equipment by the number of casters to be used.
(Equip Weight + Max Load Weight) / # of Casters = Approx. Load Capacity
Example: unit weight is 100 lbs and max load is 500 lbs. The number of casters that will be used is 4. So the formula is: (100 + 500)/4 = 150 lbs load capacity.

Wheel Hardness
Caster wheels are made from many different materials: steel, iron, nylon, rubber or plastic. Each material has its own strengths and your selection should be based on the application. Hard Caster Wheels have a greater load rating because they do not compress easily or flatten over time. This means they work well for equipment that is not moved often. They work well in carpeted areas and hold up to outdoor environments. Soft Caster Wheels are much quieter than a harder wheel so are best in situations where a quiet operation is necessary. They handle light to medium loads and work well for hard or uneven surfaces. Soft wheels will flatten over time so should only be used on equipment that is frequently moved.

You may also be interested in our metal ball transfers
 

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