
| d | 120 | mm | |
| D | 180 | mm | |
| B | 28 | mm | |
| d1 | 141.42 | mm | |
| d2 | 137.8 | mm | |
| D2 | 163.2 | mm | |
| r1,2 | min. | 2 | mm |
| r3,4 | min. | 1 | mm |
| a | 34.3 | mm |

| da | min. | 128.8 | mm |
| da | max. | 140.6 | mm |
| db | min. | 128.8 | mm |
| db | max. | 137 | mm |
| Da | max. | 171.2 | mm |
| Db | max. | 174.4 | mm |
| ra | max. | 2 | mm |
| rb | max. | 1 | mm |
| Basic dynamic load rating | C | 57.2 | kN | |
| Basic static load rating | C0 | 55 | kN | |
| Fatigue load limit | Pu | 1.9 | kN | |
| Attainable speed for grease lubrication | 9300 | r/min | ||
| Ball diameter | Dw | 14.288 | mm | |
| Number of balls | z | 29 | ||
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 310 | N | |
| Static axial stiffness, preload class A | 104 | N/µm | ||
| Preload class B | GB | 930 | N | |
| Static axial stiffness, preload class B | 164 | N/µm | ||
| Preload class C | GC | 1850 | N | |
| Static axial stiffness, preload class C | 225 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.12 | ||
| Calculation factor | f1 | 1 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.03 | ||
| Calculation factor | f2C | 1.05 | ||
| Calculation factor | fHC | 1 | ||
| Calculation factor | f0 | 9.6 | ||
| Mass bearing | 2.25 | kg |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 12531 | 31.75 | 52.37 | 6.35 | Seals |
|---|---|---|---|---|
| 231/670 CA/W33 | 670 | 1090 | 336 | Bearings, units and housings |
| 231/710 CAK/W33 | 710 | 1150 | 345 | Bearings, units and housings |
| 36179 | 92.075 | 117.5 | 9.53 | Seals |
| 55x90x10 HMSA10 RG | 55 | 90 | 10 | Seals |
| 90x110x12 CRW1 V | 90 | 110 | 12 | Seals |
| HE 309 E | 38.1 | 45 | 39 | Bearings, units and housings |
| HJ 216 EC | 80 | 101.55 | 12.5 | Bearings, units and housings |
| K 37x42x17 | 37 | 42 | 17 | Bearings, units and housings |
| NCF 2230 ECJB | 150 | 270 | 73 | Bearings, units and housings |
| PCM 081012 M | 8 | 10 | 12 | Bearings, units and housings |
| SAW 23526 x 4.5/16 | 109.5375 | - | - | Bearings, units and housings |
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