
| d | 120 | mm | |
| D | 180 | mm | |
| B | 28 | mm | |
| d1 | 143.2 | mm | |
| d2 | 140.8 | mm | |
| D2 | 161.9 | mm | |
| r1,2 | min. | 2 | mm |
| r3,4 | min. | 1 | mm |
| a | 34.2 | mm |


| da | min. | 129 | mm |
| db | min. | 129 | mm |
| Da | max. | 171 | mm |
| Db | max. | 175.4 | mm |
| ra | max. | 2 | mm |
| rb | max. | 1 | mm |
| dn | 144.7 | mm |
| Basic dynamic load rating | C | 50.7 | kN | |
| Basic static load rating | C0 | 63 | kN | |
| Fatigue load limit | Pu | 1.34 | kN | |
| Attainable speed for grease lubrication | 11000 | r/min | ||
| Attainable speed for oil-air lubrication | 17000 | r/min | ||
| Ball diameter | Dw | 11.112 | mm | |
| Number of balls | z | 33 | ||
| Reference grease quantity | Gref | 23.69 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 130 | N | |
| Static axial stiffness, preload class A | 84 | N/µm | ||
| Preload class B | GB | 260 | N | |
| Static axial stiffness, preload class B | 110 | N/µm | ||
| Preload class C | GC | 780 | N | |
| Static axial stiffness, preload class C | 173 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.08 | ||
| Calculation factor | f1 | 1 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.02 | ||
| Calculation factor | f2C | 1.05 | ||
| Calculation factor | fHC | 1.01 | ||
| Calculation factor | f0 | 9.8 | ||
| Mass bearing | 2.24 | kg |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 12437 | 31.75 | 50.37 | 6.35 | Seals |
|---|---|---|---|---|
| 38x62x10 HMSA10 V | 38 | 62 | 10 | Seals |
| 470421 | 410 | - | - | Seals |
| 70 VS V | 63 | - | - | Seals |
| H 308 E | 35 | 58 | 36 | Bearings, units and housings |
| IR 17x20x16 | 17 | 20 | 16 | Bearings, units and housings |
| NKX 50 | 50 | 62 | 35 | Bearings, units and housings |
| NNCF 5032 CV | 160 | 240 | 109 | Bearings, units and housings |
| PCM 222520 M | 22 | 25 | 20 | Bearings, units and housings |
| PSMF 708560 A51 | 70 | 85 | 60 | Bearings, units and housings |
| PWM 607060 | 60 | 70 | 60 | Bearings, units and housings |
| RNA 4926 | 150 | 180 | 50 | Bearings, units and housings |
Hot number:
6200-Z
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90802
99272
BT4-0035 E8/C355
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JM 738249/210
NJ 2328 ECML
NJ 307 ECM
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SA 80 ESX-2LS
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