| US stock number | 17390 | |||
| Design | HM21 | |||
| Lip material | R | |||
SKF Bore Tite Coating

| d1 | 44.45 | mm | |
| D | 63.55 | mm | |
| b | 6.35 | 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. | 4297 | r/min | |
| Shaft surface speed | max. | 10 | m/s |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 6307 M | 35 | 80 | 21 | Bearings, units and housings |
|---|---|---|---|---|
| 91337 | - | - | 30 | Seals |
| TQO design | 355.6 | 482.6 | - | Bearings, units and housings |
| GEZM 600 ESX-2LS | 152.4 | 222.25 | 209.55 | Bearings, units and housings |
| HE 2334 | 152.4 | 220 | 154 | Bearings, units and housings |
| KMT 12 | 26 | - | 60 | Bearings, units and housings |
| NJ 244 ECM | 220 | 400 | 65 | Bearings, units and housings |
| NNU 4976 B/SPW33 | 380 | 520 | 140 | Bearings, units and housings |
| P 3/4 TR | 19.05 | - | - | Bearings, units and housings |
| S7015 ACB/P4A | 75 | 115 | 20 | Bearings, units and housings |
| SAF 23030 KATLC x 5.1/8 | 131.7625 | - | - | Bearings, units and housings |
| SNW 38x6.13/16 | 173.0375 | 240.6396 | 133.3754 | Bearings, units and housings |
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