
| d | 25 | mm | |
| D | 47 | mm | |
| B | 12 | mm | |
| d1 | 31.6 | mm | |
| d2 | 29.8 | mm | |
| D1 | 39.21 | mm | |
| r1,2 | min. | 0.6 | mm |
| r3,4 | min. | 0.3 | mm |
| a | 14.4 | mm |


| da | min. | 28.2 | mm |
| db | min. | 28.2 | mm |
| Da | max. | 43.8 | mm |
| Db | max. | 44.6 | mm |
| ra | max. | 0.6 | mm |
| rb | max. | 0.3 | mm |
| dn | 33.1 | mm |
| Basic dynamic load rating | C | 7.93 | kN | |
| Basic static load rating | C0 | 3.9 | kN | |
| Fatigue load limit | Pu | 0.166 | kN | |
| Attainable speed for grease lubrication | 50000 | r/min | ||
| Attainable speed for oil-air lubrication | 75000 | r/min | ||
| Ball diameter | Dw | 6.35 | mm | |
| Number of balls | z | 14 | ||
| Reference grease quantity | Gref | 1.3 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 70 | N | |
| Static axial stiffness, preload class A | 66 | N/µm | ||
| Preload class B | GB | 210 | N | |
| Static axial stiffness, preload class B | 98 | N/µm | ||
| Preload class C | GC | 430 | N | |
| Static axial stiffness, preload class C | 130 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.05 | ||
| Calculation factor | f1 | 0.99 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.03 | ||
| Calculation factor | f2C | 1.06 | ||
| Calculation factor | fHC | 1.01 | ||
| 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 | 0.065 | kg |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 20125 | 50.8 | 85.62 | 11.13 | Seals |
|---|---|---|---|---|
| 7028 CD/HCP4A | 140 | 210 | 33 | Bearings, units and housings |
| BMO-6204/048S2/UA008A | 20 | 47 | 20.2 | Bearings, units and housings |
| GS 81116 | 80 | 105 | 5.75 | Bearings, units and housings |
| H 319 | 85 | 125 | 68 | Bearings, units and housings |
| OH 30/750 HE | 710 | 870 | 356 | Bearings, units and housings |
| PCM 505560 E | 50 | 55 | 60 | Bearings, units and housings |
| RNA 4826 | 145 | 165 | 35 | Bearings, units and housings |
| S7200 CD/HCP4A | 10 | 30 | 9 | Bearings, units and housings |
| SAF 1511 x 1.7/8 T | 47.625 | - | - | Bearings, units and housings |
| SAF 22517 TLC | 74.6125 | - | - | Bearings, units and housings |
| SAF 22620 x 3.1/2 | 88.9 | - | - | Bearings, units and housings |
Hot number:
13688
249/710 CA/W33
39851
524657
6311/HC5C3
7008 CB/P4A
7013 ACE/P4AL
K 50x55x13.5
NJ 2308 ECPH
QJ 218 N2MA
SAF 1618 TLC
SAW 23532 x 5.3/8 TLC
W 63800 R-2Z
SYJ 40 KF
W 13
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