
| d | 50 | mm | |
| D | 80 | mm | |
| B | 16 | mm | |
| d1 | 59.2 | mm | |
| d2 | 59.2 | mm | |
| D1 | 70.8 | mm | |
| b | 2 | mm | |
| C1 | 8.6 | mm | |
| C2 | 3.6 | mm | |
| C3 | 2.8 | mm | |
| r1,2 | min. | 1 | mm |
| r3,4 | min. | 0.3 | mm |
| a | 23.2 | mm |

| da | min. | 54.6 | mm |
| db | min. | 54.6 | mm |
| Da | max. | 75.4 | mm |
| Db | max. | 78 | mm |
| ra | max. | 1 | mm |
| rb | max. | 0.3 | mm |
| dn | 61.2 | mm |
| Basic dynamic load rating | C | 28.1 | kN | |
| Basic static load rating | C0 | 23.2 | kN | |
| Fatigue load limit | Pu | 0.98 | kN | |
| Attainable speed for grease lubrication | 15000 | r/min | ||
| Attainable speed for oil-air lubrication | 24000 | r/min | ||
| Ball diameter | Dw | 9.525 | mm | |
| Number of balls | z | 18 | ||
| Reference grease quantity | Gref | 3.6 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 180 | N | |
| Static axial stiffness, preload class A | 141 | N/µm | ||
| Preload class B | GB | 360 | N | |
| Static axial stiffness, preload class B | 184 | N/µm | ||
| Preload class C | GC | 720 | N | |
| Static axial stiffness, preload class C | 244 | N/µm | ||
| Preload class D | GD | 1440 | N | |
| Static axial stiffness, preload class D | 331 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.11 | ||
| Calculation factor | f1 | 0.99 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.02 | ||
| Calculation factor | f2C | 1.05 | ||
| Calculation factor | f2D | 1.08 | ||
| Calculation factor | fHC | 1 | ||
| Calculation factor | e | 0.68 | ||
| Calculation factor (single, tandem) | Y2 | 0.87 | ||
| Calculation factor (single, tandem) | Y0 | 0.38 | ||
| Calculation factor (single, tandem) | X2 | 0.41 | ||
| Calculation factor (back-to-back, face-to-face) | Y1 | 0.92 | ||
| Calculation factor (back-to-back, face-to-face) | Y2 | 1.41 | ||
| Calculation factor (back-to-back, face-to-face) | Y0 | 0.76 | ||
| Calculation factor (back-to-back, face-to-face) | X2 | 0.67 | ||
| Mass bearing | 0.25 | kg |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 12660 | 31.75 | 68.91 | 11.91 | Seals |
|---|---|---|---|---|
| 15748 | 39.7002 | 68.99 | 11.91 | Seals |
| 180x210x15 HMSA10 V | 180 | 210 | 15 | Seals |
| 34x52x8 HMS5 RG | 34 | 52 | 8 | Seals |
| 5 VS R | 4 | - | - | Seals |
| 6310 M | 50 | 110 | 27 | Bearings, units and housings |
| 81180 M | 400 | 480 | 65 | Bearings, units and housings |
| 7312 BEGAY | 60 | 130 | 31 | Bearings, units and housings |
| FY 1.3/4 TF/VA228 | 44.45 | - | 54.2 | Bearings, units and housings |
| NU 305 ECJ | 25 | 62 | 17 | Bearings, units and housings |
| OKC 540 | 540 | - | ||
| SHR 140 | 140 | - | - | Coupling systems |
Hot number:
20530
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314553
331981
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D/W R144 R
FSAF 1517 x 3 T
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KRV 19 PPA
NK 21/16
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Z 216
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