
| d | 12 | mm | |
| D | 28 | mm | |
| B | 8 | mm | |
| d1 | 17.5 | mm | |
| d2 | 16.5 | mm | |
| D1 | 22.45 | mm | |
| r1,2 | min. | 0.3 | mm |
| r3,4 | min. | 0.15 | mm |
| a | 8.8 | mm |


| da | min. | 14 | mm |
| db | min. | 14 | mm |
| Da | max. | 26 | mm |
| Db | max. | 26.6 | mm |
| ra | max. | 0.3 | mm |
| rb | max. | 0.15 | mm |
| dn | 18.5 | mm |
| Basic dynamic load rating | C | 3.07 | kN | |
| Basic static load rating | C0 | 1.27 | kN | |
| Fatigue load limit | Pu | 0.054 | kN | |
| Attainable speed for grease lubrication | 73000 | r/min | ||
| Attainable speed for oil-air lubrication | 112000 | r/min | ||
| Ball diameter | Dw | 3.969 | mm | |
| Number of balls | z | 12 | ||
| Reference grease quantity | Gref | 0.31 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 28 | N | |
| Static axial stiffness, preload class A | 34 | N/µm | ||
| Preload class B | GB | 85 | N | |
| Static axial stiffness, preload class B | 50 | N/µm | ||
| Preload class C | GC | 170 | N | |
| Static axial stiffness, preload class C | 66 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.02 | ||
| Calculation factor | f1 | 0.99 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.03 | ||
| Calculation factor | f2C | 1.06 | ||
| 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 | 0.021 | kg |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 71976 ACGAMB | ||||
|---|---|---|---|---|
| NU 228 ECJ | ||||
| SAF 22544 TLC | ||||
| SNL 3088 TURT | ||||
| YSP 208-108 SB-2F |
Hot number:
32930
38x62x8 HMS5 V
470526
47896/47820
52232 M
60/850 MB
6205-2Z/VA201
71908 ACE/P4AH1
71912 ACE/HCP4AH1
71912 ACE/P4AH1
99241
KR 90 B
N 1013 KPHA/HC5SP
NUTR 25 X
SY 1/2 FM
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