Auxiliary lipNoDesignHM21Housing bore diameter73.03 mm, 2.875 inMaximum operating temperature100.0 °C, 212.0 °FMaximum operating temperature (°F)100.0 °C, 212.0Minimum operating temperature-40.0 °C, -40.0 °FMinimum operating temperature (°F)-40.0 °C, -40.0Permissible circumferential speed8.38 m/sRotational speed2800.0 r/minSeal width6.35 mm, 0.25 inSealing lip materialNitrile rubber (NBR)Shaft diameter57.15 mm, 2.25 inType of outside diameterMetal-casedUnit systemInch
| Application | Cutting, Deburring, Light Grinding, Notching |
| Diameter | 5" |
| RPM | 12200 |
| Thick Arbor | .095" 7/8" |