Techincal Specification:
| APERTURE DIAMETER | 380,0 MILLIMETERS NOMINAL | | BOLT CIRCLE DIAMETER | 420,0 MILLIMETERS NOMINAL | | BOLT HOLE QUANTITY | 12 | | HARDNESS RATING | 65,0 SHORE DUROMETER A NOMINAL OVERALL | | HOLE DIAMETER | 9,0 MILLIMETERS NOMINAL ALL HOLES | | MATERIAL | RUBBER OVERALL | | OUTSIDE DIAMETER | 440,0 MILLIMETERS NOMINAL | | STYLE DESIGNATOR | CIRCULAR |
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