
| 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 |
| 1308 ETN9 | 40 | 90 | 23 | Bearings, units and housings |
|---|---|---|---|---|
| 13556 | 34.925 | 49.23 | 6.35 | Seals |
| 21302 | 53.975 | 82.58 | 11.13 | Seals |
| 7012 CE/HCP4A | 60 | 95 | 18 | Bearings, units and housings |
| 71819 CD/P4 | 95 | 120 | 13 | Bearings, units and housings |
| 99340 | 88.392 | 97.409 | 23.0124 | Seals |
| AS 0515 | 5 | 15 | 1 | Bearings, units and housings |
| IR 6x9x16 | 6 | 9 | 16 | Bearings, units and housings |
| RN-5x19.8 BF/G2 | - | - | 5 | Bearings, units and housings |
| SAF 1522 x 3.13/16 T | 96.8375 | - | - | Bearings, units and housings |
| SAF 22530 x 5.1/4 | 133.35 | - | - | Bearings, units and housings |
| SAW 23228 T | 140 | - | - | Bearings, units and housings |
Hot number:
331275 B
48769
51110
6306-2RSH
7214 BEGAP
80x115x12 HMS5 V
811/500 M
9847
99264
99312
BSD 3062 C
FY 1.3/16 TF/VA228
FYE 2 3/4 N
PSM 708060 A51
W 32
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