Bearing NA4988
Inner diameter:: 440 mm
Outer diameter: 490 mm
The size of the width: 600 mm
Weight:: 131 kg
Outer diameter: 490 mm
The size of the width: 600 mm
Weight:: 131 kg
Technical specifications
Designation : NA4988
Dimensions, mm : 440x490x600
Producer : ETERNO
Technical data from the manufacturers catalog :
Weight - 131 Kg
Dynamic load rating (C) - 1400000 kN
Static load rating (C0) - 3680000 kN
Outside width (C) - 160mm
Grease lubrication speed - 640 rev/min
ПОДШИПНИКОВЫЙ УЗЕЛ ШАРИКОВЫЙ РАДИАЛЬНЫЙ RCJ20-N
Manufacturer: INA-FAG
Bearing 89310 TN
Manufacturer: INA-FAG
Sizes: 50x95x27 (mm)
Weight:: 0.887 (kg)
Подшипник 15578/15520
Manufacturer: NSK-RHP
Sizes: 25.4x57.15x17.462 (mm)
Weight:: 0.221 (kg)
Bearing GH048001
Manufacturer: GMB
Sizes: 48x86x42/40 (mm)
Подшипник 7240DF
Manufacturer: NACHI
Sizes: 200x360x58 (mm)
Weight:: 25.5 (kg)
ПОДШИПНИК ШАРИКОВЫЙ УПОРНО-РАДИАЛЬНЫЙ ZKLN2052-2RS-PE
Manufacturer: INA-FAG
Sizes: 20x52x28 (mm)
Weight:: 3.9 (kg)
T10 410 ( Т10 410 ) MEGADYNE MEGAPOWER
Manufacturer: ContiTech AG
Bearing SCH912
Manufacturer: INA-FAG
Sizes: 14.288x20.638x19.050 (mm)
Weight:: 0.017 (kg)
Bearing LR207RRU
Manufacturer: INA-FAG
Sizes: 35x80x25 (mm)
Weight:: 17 (kg)
22x2450 C 96,5
Manufacturer: ContiTech AG
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.
