
| d | 50 | mm | |
| D | 72 | mm | |
| B | 12 | mm | |
| d1 | 57.1 | mm | |
| d2 | 57.1 | mm | |
| D1 | 64.9 | mm | |
| r1,2 | min. | 0.6 | mm |
| r3,4 | min. | 0.3 | mm |
| a | 14.2 | mm |


| da | min. | 53.2 | mm |
| db | min. | 53.2 | mm |
| Da | max. | 68.8 | mm |
| Db | max. | 70.6 | mm |
| ra | max. | 0.6 | mm |
| rb | max. | 0.3 | mm |
| dn | 58.7 | mm |
| Basic dynamic load rating | C | 13.5 | kN | |
| Basic static load rating | C0 | 10.4 | kN | |
| Fatigue load limit | Pu | 0.44 | kN | |
| Attainable speed for grease lubrication | 22000 | r/min | ||
| Attainable speed for oil-air lubrication | 34000 | r/min | ||
| Ball diameter | Dw | 6.35 | mm | |
| Number of balls | z | 25 | ||
| Reference grease quantity | Gref | 1.74 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 50 | N | |
| Static axial stiffness, preload class A | 47 | N/µm | ||
| Preload class B | GB | 100 | N | |
| Static axial stiffness, preload class B | 63 | N/µm | ||
| Preload class C | GC | 200 | N | |
| Static axial stiffness, preload class C | 87 | N/µm | ||
| Preload class D | GD | 400 | N | |
| Static axial stiffness, preload class D | 122 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.13 | ||
| Calculation factor | f1 | 1 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.07 | ||
| Calculation factor | f2C | 1.12 | ||
| Calculation factor | f2D | 1.18 | ||
| Calculation factor | fHC | 1.04 | ||
| Calculation factor | f0 | 10.7 | ||
| Mass bearing | 0.12 | kg |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 12590 | 31.3436 | 57.15 | 6.35 | Seals |
|---|---|---|---|---|
| 145x175x15 HMS5 RG | 145 | 175 | 15 | Seals |
| 15032 | 38.1 | 60.3 | 6.35 | Seals |
| 15542 | 39.7002 | 60.3 | 7.95 | Seals |
| 6020-2RS1 | 100 | 150 | 24 | Bearings, units and housings |
| 61912 | 60 | 85 | 13 | Bearings, units and housings |
| 7024 CB/P4AL | 120 | 180 | 28 | Bearings, units and housings |
| 72x88x8 CRW1 R | 72 | 88 | 8 | Seals |
| ICOS-D1B01 TN9 | 12 | 32 | 10 | Bearings, units and housings |
| LS 90120 | 90 | 120 | 6.5 | Bearings, units and housings |
| PFT 35 WF | 35 | - | - | Bearings, units and housings |
| WBB1-8712-2ZS | 16 | 23 | 4.5 | Bearings, units and housings |
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