NKE K 81230-MB thrust roller bearings
Online shopping NKE K 81230-MB thrust roller bearings from a 75 mm d great selection 20 mm B at Store. … Accessories.
| d | 75 mm |
| D | 115 mm |
| B | 20 mm |
| d1 | 89.28 mm |
| d2 | 86.8 mm |
| D1 | 100.72 mm |
| b | 1.8 mm |
| C1 | 10.9 mm |
| C2 | 3.4 mm |
| C3 | 3.4 mm |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| a | 32.3 mm |
| da min. | 81 mm |
| db min. | 81 mm |
| Da max. | 109 mm |
| Db max. | 110.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| dn | 91.5 mm |
| Basic dynamic load rating C | 24.7 kN |
| Basic static load rating C0 | 20.4 kN |
| Fatigue load limit Pu | 0.865 kN |
| Attainable speed for grease lubrication | 14500 r/min |
| Attainable speed for oil-air lubrication | 23000 r/min |
| Ball diameter Dw | 9.525 mm |
| Number of balls z | 26 |
| Reference grease quantity Gref | 8.6 cm³ |
| Preload class A GA | 220 N |
| Static axial stiffness, preload class A | 161 N/µm |
| Preload class B GB | 670 N |
| Static axial stiffness, preload class B | 243 N/µm |
| Preload class C GC | 1340 N |
| Static axial stiffness, preload class C | 318 N/µm |
| Calculation factor f | 1.1 |
| 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 | 0.65 kg |
Detailed Parameters
parameter：
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