SKFSEAL 20X28X4 HM4 R SMALL BORE SEALS
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$8.67
Auxiliary lipNoDesignHM4Housing bore diameter28.0 mm, 1.102 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 speed4.12 m/sRotational speed3960.0 r/minSeal width4.0 mm, 0.157 inSealing lip materialNitrile rubber (NBR)Shaft diameter20.0 mm, 0.787 inType of outside diameterMetal-casedUnit systemMetric
Specifications
| Auxiliary lip | No |
| Design | HM4 |
| Housing bore diameter | 28.0 mm, 1.102 in |
| Maximum operating temperature | 100.0 °C, 212.0 °F |
| Maximum operating temperature (°F) | 100.0 °C, 212.0 |
| Minimum operating temperature | -40.0 °C, -40.0 °F |
| Minimum operating temperature (°F) | -40.0 °C, -40.0 |
| Permissible circumferential speed | 4.12 m/s |
| Rotational speed | 3960.0 r/min |
| Seal width | 4.0 mm, 0.157 in |
| Sealing lip material | Nitrile rubber (NBR) |
| Shaft diameter | 20.0 mm, 0.787 in |
| Type of outside diameter | Metal-cased |
| Unit system | Metric |
20X28X4 HM4 R
