| US stock number | 13612 | |||
| Design | HM21 | |||
| Lip material | R | |||
SKF Bore Tite Coating

| d1 | 34.925 | mm | |
| D | 53.49 | 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. | 5468 | r/min | |
| Shaft surface speed | max. | 10 | m/s |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| BD-21311 EK-H 311 | 50 | 120 | 29 | Bearings, units and housings |
|---|---|---|---|---|
| BD-22315 EK-AHX 2315 G | 70 | 160 | 55 | Bearings, units and housings |
| 43691 | 111.125 | 139.73 | 11.13 | Seals |
| 6003-2RSL | 17 | 35 | 10 | Bearings, units and housings |
| D/W ER1212 | 12.7 | 19.05 | 3.967 | Bearings, units and housings |
| D/W R1-5 | 2.38 | 7.938 | 2.779 | Bearings, units and housings |
| FYRP 1 15/16 | 49.2125 | - | - | Bearings, units and housings |
| IR 17x21x16 | 17 | 21 | 16 | Bearings, units and housings |
| K 60x66x33 ZW | 60 | 66 | 33 | Bearings, units and housings |
| KRE 52 PPA | - | 52 | 24 | Bearings, units and housings |
| NJ 226 ECJ | 130 | 230 | 40 | Bearings, units and housings |
| PF 47 | - | - | - | Bearings, units and housings |
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