Bearing NA4930
Inner diameter:: 150 mm
Outer diameter: 170 mm
The size of the width: 210 mm
Weight:: 6.38 kg
Outer diameter: 170 mm
The size of the width: 210 mm
Weight:: 6.38 kg
Technical specifications
Designation : NA4930
Dimensions, mm : 150x170x210
Producer : ETERNO
Technical data from the manufacturers catalog :
Weight - 6.38 Kg
Dynamic load rating (C) - 208800 kN
Static load rating (C0) - 488000 kN
Outside width (C) - 60mm
Grease lubrication speed - 1920 rev/min
STUFFING BOX (REINFORCED CUFFS) NON-STANDARD (TC)
Manufacturer: STO
Sizes: 38x54x10 (mm)
O-RING
Manufacturer: NQK SF
Sizes: 399.50x416.30x8.40 (mm)
Bearing 51103
Manufacturer: ETERNO
Sizes: 17x30x9 (mm)
Weight:: 0.025 (kg)
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Manufacturer: TMB
Sizes: 90x160x30 (mm)
Weight:: 2.45 (kg)
Bearing 6203RS (160203)
Manufacturer: TMB
Sizes: 17x40x12 (mm)
Weight:: 0.065 (kg)
SEALS (REINFORCED SEAL) (AS)
Manufacturer: FEKO
Sizes: 8.70x16.50x7 (mm)
V 432/7 F
Manufacturer: ContiTech AG
Bearings LR200KDD
Manufacturer: INA-FAG
Sizes: 10x32x9 (mm)
Weight:: 0.05 (kg)
Bearing 609P6 (E19)
Manufacturer: TMB
Sizes: 9x24x7 (mm)
Weight:: 0.014 (kg)
Krestovina 22X76
Manufacturer: TOYO
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.
