Our Ergolastomer wheel is a solid cast polyurethane-elastomer tread which is mechanically locked to a glass-filled nylon core. This caster is very strong and durable with high impact and abrasion resistance. Its sealed precision ball bearings and crowned tread significantly helps reduce rolling resistance, swiveling action and push/pull forces required to move. These wheels are maintenance free and non-marking with virutally no tread wear.
The 4L Series is a kingpinless medium duty set of casters that feature a modular stem system. The hardened raceway has a ASTM1045 forged integral structure. The mounting hole used to secure the stem options is 3/4″, making it very reliable and durable.
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