l PRECISELY MACHINED CROWN TREAD FACE
l SMOOTHEST ROLLING OF ANY STEEL WHEELS
l HIGH SHOCK AND IMPACT RESISTANCE
l LARGE HUB DIAMETER ACCOMMODATES SPECIAL BORE AND BEARING REQUIREMENTS
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l P- PRECISION BEARING
l D-DELRIN BEARING
l S-SLEEVE or PLAIN BEARING
l X-NO BEARING
l R-ROLLER BEARING
l T-TAPERED BEARING
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