TIMKEN L44643-902B5 Roller Thrust Bearings
Online TIMKEN L44643-902B5 Roller Thrust Bearings Expert.More 16 mm B Choices. TIMKEN L44643-902B5 Roller Thrust Bearings in 80 mm D Stock & 50 mm d Ready JiNan Hope Hydraulic Co., Itd to Ship Now!
Product Details
| d | 50 mm |
| D | 80 mm |
| B | 16 mm |
| d1 | 60.25 mm |
| d2 | 57.9 mm |
| D1 | 69.75 mm |
| K | 0.5 mm |
| C1 | 5.32 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.6 mm |
| a | 23.3 mm |
| da min. | 54.6 mm |
| db min. | 54.6 mm |
| Da max. | 75.4 mm |
| Db max. | 75.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| dn | 62.3 mm |
| Basic dynamic load rating C | 14.8 kN |
| Basic static load rating C0 | 10 kN |
| Fatigue load limit Pu | 0.425 kN |
| Attainable speed for grease lubrication | 23000 r/min |
| Attainable speed for oil-air lubrication | 34000 r/min |
| Ball diameter Dw | 7.938 mm |
| Number of balls z | 21 |
| Reference grease quantity Gref | 4.1 cm³ |
| Preload class A GA | 130 N |
| Static axial stiffness, preload class A | 104 N/µm |
| Preload class B GB | 400 N |
| Static axial stiffness, preload class B | 156 N/µm |
| Preload class C GC | 800 N |
| Static axial stiffness, preload class C | 204 N/µm |
| Calculation factor f | 1.08 |
| 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 | 0.25 kg |
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