
| d | 220 | mm | |
| D | 340 | mm | |
| B | 56 | mm | |
| d1 | 257 | mm | |
| d2 | 257 | mm | |
| D1 | 303 | mm | |
| r1,2 | min. | 3 | mm |
| r3,4 | min. | 1.5 | mm |
| a | 65.7 | mm |


| da | min. | 233 | mm |
| db | min. | 233 | mm |
| Da | max. | 327 | mm |
| Db | max. | 334 | mm |
| ra | max. | 2.5 | mm |
| rb | max. | 1.5 | mm |
| dn | 267.1 | mm |
| Basic dynamic load rating | C | 338 | kN | |
| Basic static load rating | C0 | 455 | kN | |
| Fatigue load limit | Pu | 11.6 | kN | |
| Attainable speed for grease lubrication | 4000 | r/min | ||
| Attainable speed for oil-air lubrication | 6000 | r/min | ||
| Ball diameter | Dw | 38.1 | mm | |
| Number of balls | z | 21 | ||
| Reference grease quantity | Gref | 201 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 1250 | N | |
| Static axial stiffness, preload class A | 222 | N/µm | ||
| Preload class B | GB | 2500 | N | |
| Static axial stiffness, preload class B | 300 | N/µm | ||
| Preload class C | GC | 5000 | N | |
| Static axial stiffness, preload class C | 415 | N/µm | ||
| Preload class D | GD | 10000 | N | |
| Static axial stiffness, preload class D | 592 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.13 | ||
| Calculation factor | f1 | 1 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.02 | ||
| Calculation factor | f2C | 1.05 | ||
| Calculation factor | f2D | 1.09 | ||
| Calculation factor | fHC | 1 | ||
| Calculation factor | f0 | 15.6 | ||
| Mass bearing | 16.1 | kg |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 31237 | 79.375 | 107.92 | 11.13 | Seals |
|---|---|---|---|---|
| 470771 | 743 | - | - | Seals |
| 71905 CE/HCP4AL | 25 | 42 | 9 | Bearings, units and housings |
| FYTWK 40 LTHR | 40 | - | - | Bearings, units and housings |
| GS 81109 | 45 | 65 | 4 | Bearings, units and housings |
| NK 16/20 | 16 | 24 | 20 | Bearings, units and housings |
| NU 2205 ECML | 25 | 52 | 18 | Bearings, units and housings |
| OKF 230 | 230 | 500 | - | |
| PFT 20 FM | 20 | - | - | Bearings, units and housings |
| SAF 22626 x 4.1/2 T | 114.3 | - | - | Bearings, units and housings |
| SNW 13x2.1/8 | 53.975 | 85.852 | 53.086 | Bearings, units and housings |
| SSAFS 22518 x 3.1/8 | 79.375 | - | - | Bearings, units and housings |
Hot number:
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1500580
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522677
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