| US stock number | 21208 | |||
| Design | HM21 | |||
| Lip material | R | |||
SKF Bore Tite Coating

| d1 | 53.975 | mm | |
| D | 77.75 | 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. | 3538 | r/min | |
| Shaft surface speed | max. | 10 | m/s |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 2050542 | 520.7 | 571.5 | 19.05 | Seals |
|---|---|---|---|---|
| 2700558 | 685.8 | 736.6 | 20.65 | Seals |
| 407252 | 670 | - | - | Seals |
| 51284 F | 420 | 580 | 130 | Bearings, units and housings |
| 709 CE/P4A | 9 | 24 | 7 | Bearings, units and housings |
| 71903 ACD/HCP4A | 17 | 30 | 7 | Bearings, units and housings |
| 8088 | 20.6502 | 38.07 | 6.35 | Seals |
| C 2226 K | 130 | 230 | 64 | Bearings, units and housings |
| K 32x37x13 | 32 | 37 | 13 | Bearings, units and housings |
| NATV 10 PPXA | 10 | 30 | 15 | Bearings, units and housings |
| PCM 13514080 M | 135 | 140 | 80 | Bearings, units and housings |
| RN-1.5x6.8 BF/G2 | - | - | 1.5 | Bearings, units and housings |
Hot number:
16x32x7 HMSA10 V
23996 CA/W33
38749
390x450x25 HDS1 R
60/950 MB
53415 M + U 415
7005 ACE/HCP4AL1
AXW 17
BT4B 332906/HA4
H 210
LM 67048/010
NF 307 ECP
NU 305 ECJ
W 61906-2RS1
YEL 205-015-2F
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