Magnetic conveyor caster wheel from erie manufacturing

Magnetic conveyor caster wheel from erie manufacturing

Here are some unusual items from Erie Z Mfg Co... Magnetic conveyor wheels. These measure 2-1/2" in diameter and 1-1/4" wide. Overall width is 2". Drilled for a shaft size of 3/4". I cannot find out much information on them but I hooked up a hanging scale to one of them, stuck it to a forklift and pulled 30 lbs. before it came loose.
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