| STANDARD FEATURES | |||
| 90 DUROMETER SHORE (A) RUBBER VULCANIZED | |||
| TO CAST IRON CENTERS | |||
| LOWER ROLLING RESISTANCE THAN STANDARD | |||
| RUBBER WHEELS | |||
| BEARING OPTIONS | |||
| P-PRECISION BEARING | |||
| D-DELRIN BEARING | |||
| S-SLEEVE OR PLAIN BEARING | |||
| X-NO BEARING | |||
| R-ROLLER BEARING | |||
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