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TIMKEN heavy duty bearings, their application characteristics, must be combined with heavy load bearing characteristics to consider.
First, heavy bearings are often in a State of high stress, high-stress effects on the application of the TIMKEN bearings, so try to reduce stress on bearing, extend the life of the bearing. If under high load in the axial position of the machine, the fulcrum of the original single bearing multiplied to two to accommodate radial loads, in the same case, the pivot bearing life each than the original bearing life is more than twice times. In practical use, heavy machines often use multiple a pivot bearing to withstand radial load.
Secondly, coordination and clearance and lubrication of the bearings TIMKEN overload is also a key issue. Bearing stress to alleviate overload, use a higher viscosity lubricants ensures good lubrication conditions, lubricant viscosity caused by the frictional moment can not be too large. Overloaded bearing rolling surface contact area, the rings close to capacity and deformation of large, so bearing clearance is greater.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| NN3064 NTN | 320 | 480 | 121 |
| NN4964 NTN | 320 | 440 | 118 |