| US stock number | 550259 | |||
| Design | HMS4 | |||
| Lip material | R | |||

| d1 | 40.005 | mm | |
| D | 56.007 | mm | |
| b | 7.01 | mm |
| Pressure differential | max. | 0.07 | MPa | |
| Operating temperature | min. | -40 | °C | |
| Operating temperature | max. | 100 | °C | |
| Operating temperature, short period | max. | 120 | °C | |
| Rotational speed | max. | 6684 | r/min | |
| Shaft surface speed | max. | 14 | m/s |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| BD-231/630 CAK/W33-OH 31/630 H | ||||
|---|---|---|---|---|
| 405303 | ||||
| FYE 1 11/16 | ||||
| KRE 52 PPA | ||||
| SAF 1317 TLC |
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