Bearing NA4906
                
                
                    Inner diameter:: 30 mm
Outer diameter: 35 mm
The size of the width: 47 mm
Weight:: 0.101 kg
                    
            Outer diameter: 35 mm
The size of the width: 47 mm
Weight:: 0.101 kg
Technical specifications
Designation : NA4906
Dimensions, mm : 30x35x47
Producer : ETERNO
Technical data from the manufacturers catalog :
Weight - 0.101 Kg
Dynamic load rating (C) - 20400 kN
Static load rating (C0) - 28400 kN
Outside width (C) - 17mm
Grease lubrication speed - 8800 rev/min
1.78 FKM 80(107,70x01,78 ) 
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                                   Weight:: 0.0081 (kg)
                                
                             
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                                   Weight:: 0.5 (kg)
                                
                             
                            Подшипник 5313N 
                                    Manufacturer: NACHI 
                                
                                  Sizes: 65x140x58.7 (mm)
                                
                                
                                   Weight:: 3.86 (kg)
                                
                             
                            Подшипник 7021C 
                                    Manufacturer: NACHI 
                                
                                  Sizes: 105x160x26 (mm)
                                
                                
                                   Weight:: 1.73 (kg)
                                
                             
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                                    Manufacturer: FEKO 
                                
                                  Sizes: 65x85x9.50/13 (mm)
                                
                                 
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                                    Manufacturer: ContiTech AG 
                                 
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                                    Manufacturer: NQK SF 
                                
                                  Sizes: 14x35x8 (mm)
                                
                                 
                             
                INSTALLING BEARINGS 
                    
                       Approximately 16% of all early pill accidents are caused by faulty mounting (generally excessive force) and lack of proper tools.
                    
                 
                DROPPING BEARINGS 
                    
                        The need for dismantling (removal) of the bearing can be caused by several reasons: failure of the bearings, disassembly of other parts of the mechanism, and so on.
                    
                 
                SELECTION OF FUEL OILS
                    
                       The use of grease to lubricate the bearings ensures smooth operation and maximum reliability of bearings, even in extreme conditions.
                    
                 
                     
                                 
                         
                         
                         
                         
                         
                        