KOYO UCSFL208H1S6 bearing units
Our 180 mm D highly-skilled and factory-trained service experts have 120 mm d the resources to help you with all your KOYO UCSFL208H1S6 bearing units needs – including routine maintenance, major repairs, warranty service, and equipment inspections.
| d | 120 mm |
| D | 180 mm |
| B | 28 mm |
| d1 | 138.5 mm |
| d2 | 138.5 mm |
| D1 | 161.5 mm |
| b | 2.8 mm |
| C1 | 15 mm |
| C2 | 6.2 mm |
| C3 | 5.4 mm |
| r1,2 min. | 2 mm |
| r3,4 min. | 1 mm |
| a | 34.2 mm |
| da min. | 129 mm |
| db min. | 129 mm |
| Da max. | 171 mm |
| Db max. | 175 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| dn | 142.6 mm |
| Basic dynamic load rating C | 114 kN |
| Basic static load rating C0 | 122 kN |
| Fatigue load limit Pu | 4.25 kN |
| Attainable speed for grease lubrication | 8500 r/min |
| Attainable speed for oil-air lubrication | 13000 r/min |
| Ball diameter Dw | 19.05 mm |
| Number of balls z | 22 |
| Reference grease quantity Gref | 27 cm³ |
| Preload class A GA | 430 N |
| Static axial stiffness, preload class A | 146 N/µm |
| Preload class B GB | 860 N |
| Static axial stiffness, preload class B | 198 N/µm |
| Preload class C GC | 1720 N |
| Static axial stiffness, preload class C | 278 N/µm |
| Preload class D GD | 3440 N |
| Static axial stiffness, preload class D | 404 N/µm |
| Calculation factor f | 1.17 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.09 |
| Calculation factor fHC | 1.02 |
| Calculation factor f0 | 15.7 |
| Mass bearing | 1.76 kg |
Detailed Parameters
parameter：
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